Loft Conversion Companies in Rainham

Name: Loft Conversion Company
Brand: MyBuilder
SKU: loft-conversion-company
Rating: 5 (6 reviews)

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Some of our top rated loft conversion companies in Rainham

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G lofts (gra)
Rating: 5 out of 5
Loft Conversion Company in Rainham
G LOFTS is part of G R Associates building contractors and as been trading for approx- 36 years + within the construction trade Most types of works is under taken from kitchen fitting bathroom fit outs and loft and flat conversion.
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Latest review:
Loft Conversion- 22 May 2015
Hiring a good builder with all your expectation can be a very difficult experience. Especially to those who never done large scale building work. Having herd of people nightmare is one that you always dread that you may be the next victim. With George and Stephen there is probably few of a kind out there. I did three major work with George and I cannot highly thank enough of the quality of their work. George is very knowledgeable in the trade and has huge experience in getting the perfect loft. The added extra quality he has done on the gable end is something special. He is a multi-skilled tradesman and did all the work on his own with electric, plumbing, tiling, rendering etc. He also did good job in my bathroom too but that wasn’t an easy job having a bay window. The other work he did was the rendering whole of my external building. Again I did not expect this sort of rendering but the end results was exceptional. George kept his schedule and timing and finished within the predicted timescale. He was always on time and finished the daily with good clean and tidy of the whole area of his work. There was minimum disturbance throughout the house in the entire 8 week of his work. Lastly the professionalism within his work was always kept to the agreed standard, he always updated me with written work every week which I founded very helpful. I can recommend George to anyone and definitely too friends and family. Thanks again to G Lofts for everything.
Construction Crafters
Rating: 5 out of 5
Loft Conversion Company in Rainham
At Construction Crafters we pride ourselves on being builders that are synonymous with high quality skilled craftsmanship providing a full range building in the local area, from renovation to restoration, no matter how big or small your project is, our approach is always focused and with true attention to detail.If you are trying to find a builder near you, why not give us a call? Our friendly, professional team will be happy to talk through your needs and give you a free, no-obligation quote.
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Latest review:
Bricklaying- 1 Sep 2021
Construction Crafters Very good from start to finish nothing was too much extremely professional and highly skilled all round builders honestly ⭐️⭐️⭐️⭐️⭐️
L D Benson
Rating: 5 out of 5
Loft Conversion Company in Rainham
i am a carpenter by trade but have developed knowledge of all trades over the past 20 years working in the building trade. I have worked as a sole trader and subcontractor for various building/maintenance companies on a wide range of projects, and can carry out most building works. All of my work has always been through recommendation, so I can be considered reliable and trustworthy. i will work alongside Adam who has 20 years experience in the roofing trade
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Latest review:
Carpentry- 30 Oct 2019
Lee came round to fit some skirting boards. He also picked up the skirting boards for me too saving me a job of getting them ordered. Really pleased with the work and would definitely recommend.
Rares Cristian Lupu
Rating: 5 out of 5
Loft Conversion Company in Rainham
I am a sole trader working for myself for more than 10 years. Family experience over 35 years. I deliver all services from painting, dexorating, bathrooms, kitchens, full house builds, loft conversions, rear / side extensions, landscaping, plastering and plumbing/electric. Reliable and respectful to all my clients!
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Latest review:
had an excellent experience working with Cristian on my bathroom project. From start to finish, his work exceeded all expectations. Cristian was professional, attentive to my needs, and incredibly detail-oriented. His craftsmanship and commitment to quality were evident in every aspect of the project, and he transformed the space beautifully. He kept communication clear and made sure everything was completed on time and according to my vision. I am thrilled with the results and highly recommend his services.
great construction limited
Rating: 5 out of 5
Loft Conversion Company in Rainham
I am a builder who undertakes all types of jobs from kitchens, bathrooms, drive ways, garden work, roofing, extensions loft conversions, painting, flooring, plastering
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Latest review:
Extensions- 1 Aug 2024
Good work progress and ethos. All going very well.
Nik & Jel Services Ltd
Rating: 5 out of 5
Loft Conversion Company in Rainham
Nik & Jel Services Ltd established in 2013 is registered member of the Federation of Master Builders , offer high quality and professional construction services, performing all work with full responsibility to our clients, taking care of all the chores and tasks to implement their plans and desires in relation to the new build , renovation or full refurbishment work of the property.Our workmanship skill and finish results are both of the highest standards.
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Latest review:
Kitchen Fitting- 8 Mar 2026
Great job installing my kitchen. Last minute job was needed to prepare the floor before the works started and that was handled really smoothly. They also installed LVT click flooring too. Would highly recommend!!
O G Electrical
Rating: 5 out of 5
Loft Conversion Company in Rainham
O G electrical is based in Belvedere and Part P registered with Napit and the Electric safety register. All electrical work undertaken, with 25 years knowledge and experience. Re wires , fuseboards , under floor heating , Cctv , lighting , fire alarms , garden and drive lights,commercial fit outs, 3 phase, extract fans all Electrical installs carried out. Installations to new build houses/apartments throughout London and Kent Inspection and testing Eicrs All work guaranteed.
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Latest review:
Electrical- 1 Dec 2020
Olly was cheerful even though confronted with an ancient wiring system and a difficult problem. He came back for a second day and sorted it. There was a callback which he sorted quickly and without complaint
5 Stars Construct Ltd
Rating: 4.9 out of 5
Loft Conversion Company in Rainham
At 5 stars construct building services, we strive to give you the best from our construction skills, in order to provide you with the best from our work. With a combined experinence over 15 years 5 star construct bulding services provides various construction services, in addition to our kitchen and bathroom fitting services. Full refurbishment, plumbing and floor and wall tilling, painting and decorating, just get in touch and we may visit your project and provide free quoting and consultation.
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Latest review:
Bathroom Fitting- 28 May 2026
florin and his team very punctual disciplined and tidy. My bathroom complete renovation done to high standard and finished on time. Takes great pride in his work and pays attention to detail . Highly professional would recommend
Remdraly Design Ltd
Rating: 5 out of 5
Loft Conversion Company in Rainham
Remdraly Design Ltd is a trusted building and carpentry company based in Dagenham, Essex, with over 25 years of experience. We specialise in high-quality carpentry, joinery, kitchen and furniture installation, flooring, loft conversions, extensions, and full property refurbishments. Serving both domestic and commercial clients, we take pride in delivering reliable, professional craftsmanship tailored to your needs.
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Latest review:
Decking- 21 Aug 2020
High quality workmanship - friendly and professional. Would highly recommend.
Nexora build energy ltd
Rating: 5 out of 5
Loft Conversion Company in Rainham
At Nexora Build Energy Ltd, we deliver high-end construction and renovation services across London and Essex. We specialize in large-scale residential extensions, full home refurbishments, and complex commercial fit-outs. With a 5-star reputation, our expert team handles everything from structural engineering and groundwork to luxury joinery and high-spec mechanical installations. We pride ourselves on precision, safety, and a clean, professional workspace. Fully insured and committed to excellence, we provide transparent quotes and a reliable service to turn your architectural vision into reality. Our core services include: Full House Renovations & Refurbishments Rear & Side Extensions Loft Conversions Kitchen & Bathroom Fitting (High-end) Groundwork, Foundations & Structural Steel (RSJ) Mechanical & Electrical (M&E) Coordination
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Latest review:
Extensions- 28 Apr 2026
They are extremely good builders and get the work done to the highest standards! I’m very picky with builders but theses guys always keep you updated with works and are good on price aswell! ⭐️⭐️⭐️⭐️⭐️
Build to precision group
Rating: 5 out of 5
Loft Conversion Company in Rainham
At Build to Precision, we pride ourselves on delivering high-quality construction work with honesty, reliability, and attention to detail. With years of hands-on experience in the building industry, we specialise in extensions, renovations, and general construction projects, helping homeowners turn their ideas into reality. Our approach is simple — we focus on clear communication, professional workmanship, and completing every project to the highest standard. From the first consultation to the final finish, we work closely with our clients to ensure every detail is completed with precision and care. Whether you are planning a home extension, renovation, or structural improvements, Build to Precision is committed to providing dependable service and quality results you can trust.
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Latest review:
Hard Flooring- 26 May 2026
Chris and the team at Build to Precision were amazing from start to finish. They were attentive, professional, and incredibly accommodating when unexpected issues arose with my property. They remained flexible throughout the process while I sorted everything out, which made a stressful situation much easier to manage. Their communication was second to none. They constantly kept me updated on progress, checked in regularly, and made sure I was happy with every stage of the work. It was really reassuring to feel so well informed throughout the entire project. Whenever I had questions, Chris or a member of the team responded quickly and took the time to ensure everything was clearly explained. Their customer service and attention to detail truly stood out. I would highly recommend Build to Precision to anyone looking to have work done on their property. A reliable, professional, and trustworthy team from beginning to end.
Home-Work
Rating: 5 out of 5
Loft Conversion Company in Rainham
We are a family run business and have been established for more than 30 years. We have experience of working on all aspects of properties from brickwork re-pointing through to complete new builds projects. We have an excellent portfolio of completed works along with a vast knowledge of the construction industry.
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Latest review:
Restoration & Refurbishment- 23 Nov 2023
John was such a remarkable person to work with on my chimney removal, what started out as just one floor removal ended up being the entire thing due to his really reasonable quote. He was exceptionally kind, courteous and considerate throughout. He obliged our need to get the chimney removal approved by building regulation, amended materials on their request and the final result is better than I could have dreamed. We also asked him to do other jobs like fixing an issue with the roof and repairing the floor where needed. If I ever have any other jobs that he could do in the future for myself or friends and family, I wouldn’t hesitate to contact him. Thank you so much John, you were a pleasure to work with.
ordon
Rating: 4.9 out of 5
Loft Conversion Company in Rainham
“In this day and age, it’s hard to find a company you can trust. ORDON LTD is very competitive, efficient, flexible and extremely tidy. We compled the works well within the estimated time frame and to budget.
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Latest review:
Plumbing- 13 Dec 2025
Ziggy came to fix some pipework underneath the bath. He was professional and quick with a good price, and came back to fix a leak at no cost.
House2Home
Rating: 5 out of 5
Loft Conversion Company in Rainham
House to Home Atelier is a local building company based in Abbey Wood, South East London. We specialise in end-to-end home renovations and construction, from initial design and planning to final finishes. Our team delivers loft conversions, house extensions, full refurbishments, bathrooms, kitchens, and bespoke interior solutions, always with a focus on quality, efficiency, and maximising space. We combine traditional craftsmanship with modern solutions, ensuring every project is completed on time, on budget, and to the highest standards. With our experience and carefully selected team of skilled tradespeople, we take care of everything from structural work and plumbing to carpentry, plastering, and finishing touches. We are local, accountable, and hands-on, so you always know who is managing your project. Your home is your investment, and we treat it as our own. Whether it’s a small repair or a full-scale renovation, we deliver solutions that maximise space, enhance character, and provide lasting quality.
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Latest review:
Works consisted of hip to gable loft conversion under permitted development and a refurbishment of the first floor of a semi-detached house into a four bedroom/bathroom layout, including new windows, balconies, wiring and plumbing as well as sound proofing the walls. With 100m2 of works this was my first introduction to a major building project and I was worried by the horror stories I have heard about builders. From the outset Monika set my mind at rest, listening to what I wanted, making helpful suggestions, offering tips for instance on how to save on the scaffolding and always asking me when choices needed to be made. She took the trouble to ensure that I knew what was happening, with daily photos of progress without the need for me to climb scaffolding. I was working to a tight timescale and budget, which Monika understood, and even having accommodated a number of changes including some additions, the project came in on time and on budget. All of the workers on the site were very professional and the quality of the work and the attention to detail was exceptional. I have no hesitation in recommending Monika and her team - I went into this project apprehensive and not sure what to expect; thanks to Monika, I came out the other side delighted by and looking forward to working with her and her team again to renovate my ground floor.
Sams
Rating: 5 out of 5
Loft Conversion Company in Rainham
Experiences Multi-Trade Builder- 25+ years in Construction . With over two decades of hands on experience in the construction industry, I deliver high quality workmanship across a wide range of trades. My skills cover every aspect of building and property improvement, including: - Plastering & Painting (Flawless finishes and attention to detail) -Tiling & Screeding (Precision work for long lasting, attractive surfaces) - Carpentry (Custom solutions for interiors and exteriors) -Groundwork (Block paving, fencing, and landscaping projects. - General Handyman Services (efficient solutions for any repair, installation or maintenance need. I pride myself on reliability, clear communication, and a strong commitment to customer satisfaction. Whether it's a small repair or full renovation, I bring the same level of care and professionalism to every project.
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Latest review:
Fencing- 2 Apr 2026
Clear communication and used good quality materials for the job. Highly recommended.
Drive live ltd
Rating: 5 out of 5
Loft Conversion Company in Rainham
Here at drivelive we have 20+ years experience in the building trade. Together our team has a vast knowledge of all aspects in the construction industry and we strive to use that knowledge and experience to make sure all of our projects are completed to extremely high standards. Over the years we have formed close relationships with architects, suppliers and building inspectors so we are able to offer our services and help from start to finish. Something we value greatly within our company is forming relationships with customers, we make sure that everyone we work with are able to seek advice and be as involved as they wish up to the very last lick of paint. We have some fantastic testimonials that confirm this. All projects undertaken will be carried out in a clean, professional and safe manner, drivelive are work and liability insured by Simply Business for complete peace of mind. All work is carried out under pre agreed contract that works for both us and our client and final payments are made after completion and satisfaction
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Latest review:
Waste Clearance- 17 Dec 2015
Sam was brilliant. he took away all the rubbish which was more than I thought and washed down the drive.

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Rainham, are rated 5 out of 5 based on 6 reviews from customers like you.

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What services are offered by loft conversion companies in Rainham?

Converting a loft often entails many jobs - some of which you likely haven’t even considered! Fortunately, a professional loft conversion company in Rainham will be able to handle multiple services, ensuring your transformed loft is fit for purpose.

Some of the services loft conversion companies can provide include:

Full loft conversions: Complete design and build projects when structural alterations are needed
Dormer loft conversions: Add extra headroom and floor space with a dormer extension
Velux or rooflight conversions: Ideal for lofts with good existing height; minimal structural change required
Hip-to-gable conversions: Extend the sloped roof to create more usable space
Mansard conversions: A major structural change offering maximum space.
Loft storage conversions: Add flooring, lighting, and insulation for clean, usable storage
Skylight or roof window fitting: Install natural light solutions like Velux windows
Staircase installation: Design and build bespoke stair access to your new loft
Insulation, heating, and ventilation upgrades: Ensure comfort and compliance with energy standards
Design and planning services: Architectural drawings, planning permission, and building regulation approval

Post your job to MyBuilder and you'll be matched with loft conversion companies in Rainham who are interested and available to help. And with the reviews of past customers and the freedom to compare the quotes of similar tradespeople, all in the same place, the ball’s in your court.

Average costs of loft conversion companies in Rainham

Loft conversions tend to be charged on a project basis, rather than by the hour, as they often involve weeks or even months of work.

The cost of your loft conversion depends on a few things, including the style of loft conversion and materials you choose and the size of your property.

That being said, here are average prices for common types of conversion work:

Full loft conversions: £45,000–£70,000+
Dormer loft conversions: £55,000–£85,000+
Velux or rooflight conversions: £25,000–£45,000
Hip-to-gable conversions: £50,000–£80,000+
Mansard conversions: £70,000–£100,000+
Loft storage conversions: £10,000–£20,000
Roof window fitting or skylight installation costs: £1,000–£2,500 per window
Staircase installation costs: £2,000–£5,000
Insulation, heating, and ventilation upgrades: £2,000–£6,000
Design and planning services: £1,500–£4,000

Take a look at our guide to loft conversion costs to get a more detailed breakdown of the different options available when using a Rainham loft conversion company.

Find a loft conversion company in Rainham with MyBuilder

When you’re planning major work like a loft conversion, you’ll want to find the right tradesperson for the job. The great news is, MyBuilder has already done all the time-consuming work for you.

All you need to do is post your job on MyBuilder, completely for free, and we’ll share it with loft conversion companies near you in and around Rainham.

Step 1: Post your job on MyBuilder

Provide a detailed description of your loft conversion project, including the type of conversion you want, any structural changes, preferred materials, and your ideal timeline. Once posted, local loft conversion companies in Rainham can view your job and register their interest.

Step 2: Review and compare Rainham loft conversion companies

Browse the profiles of interested loft conversion companies. On MyBuilder, you can view photos of previous projects alongside customer reviews, compare quotes, and see the types of conversions they specialise in.

Step 3: Contact and discuss your project

Once you’ve reviewed local Rainham loft conversion companies, you can reach out to those that interest you to ask questions, clarify details, and request more specific quotes. At this stage, be sure to discuss vital aspects like planning permission, design options, and estimated timelines to ensure the company meets your requirements.

Step 4: Hire the right Rainham loft conversion company

Once you’re satisfied with their experience, quotes, and approach, you can confirm your hire and start planning your loft conversion.

You can also take a look at our loft conversion specialist hiring guide to help inform your choice. All tradespeople undergo checks at registration - such as verifying ID documents, company details, and certifications for regulated jobs and doing skill assessments - allowing you to hire with confidence.

Questions to ask local loft conversion companies in Rainham

Choosing the right loft conversion company for your job requires finding someone who understands your home and your goals.

Find out which company can share your vision by asking the following questions:

What experience do you have with loft conversions in Rainham?

A local loft conversion company in Rainham will know the types of properties and building styles common in your area, as well as the planning and building regulations that apply. Ask about similar projects they’ve completed locally.

Are you insured, and do you offer a warranty for your work?

Insurance protects your home during the loft conversion process, while a warranty shows the company’s confidence in the quality and durability of their work.

How do you handle planning permission and building regulations?

Established loft conversion companies in Rainham should understand local planning rules and building regulations. Ask how they’ll manage permissions, inspections, and compliance to avoid delays or legal issues.

What is included in your quote?

Ensure the quote covers all essential aspects of the loft conversion: structural work, windows or skylights, staircases, insulation, labour, and any additional fees. Understanding this upfront prevents unexpected costs later.

Do you manage the project from start to finish?

Some Rainham loft conversion companies offer full project management, coordinating architects, builders, and tradespeople. Others may only handle part of the conversion. Clarifying this early on helps you understand what support to expect.

FAQ: Common questions about loft conversions in Rainham

How long does a loft conversion take?

Typically, a loft conversion can take between 6 and 12 weeks, depending on complexity, planning permissions, and any structural work required. Be sure to discuss the timeline with any potential loft conversion companies in Rainham before agreeing to start the work.

Do I need planning permission for a loft conversion in Rainham?

Many loft conversions fall under permitted development, but some require planning permission, especially if you’re adding a dormer, extending the roof, or living in a listed building. A professional Rainham loft conversion company can advise and handle permissions for you.

Will a loft conversion affect my home insurance?

Yes, you’ll need to update your home insurance to cover the conversion. Inform your provider about structural changes, additional rooms, and any changes to utilities or heating systems.

Can I stay in my home during the loft conversion?

Many loft conversions allow you to remain in your home, though noise and dust are inevitable. Some Rainham loft conversion companies offer strategies to minimise disruption, but in complex projects, temporary relocation may be advisable.