Loft Conversion Companies in Chislehurst

Name: Loft Conversion Company
Brand: MyBuilder
SKU: loft-conversion-company
Rating: 5 (8 reviews)

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Some of our top rated loft conversion companies in Chislehurst

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SW Heating & Refurbishments Ltd
Rating: 5 out of 5
Loft Conversion Company in Chislehurst
SW Heating & Refurbishments is a local refurbishment company specialising in complete property refurbishments, extensions and loft conversions, new heating systems and boilers. We take pride in all of our work and our aim is to provide you with a quality finish, tailored to your budget. With over 19 years experience, we have built up an extensive team of tradesmen allowing us to provide an outstanding service. We are fully insured and all our work is gas safe and NICEIC certified.
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Latest review:
Conversions - General- 20 Mar 2024
Charlie & Richard did a great job. They visited my property to get an accurate quote. They let me visit another property they are developing which gave me confidence that they were more than capable of my job. They carried out the work quickly and to a high professional standard. Wouldn't hesitate to use them again.
CM Building LTD
Rating: 5 out of 5
Loft Conversion Company in Chislehurst
At CM Loft Conversions, we specialise in luxury loft conversions, home extensions, and full refurbishments for both residential and commercial properties across London. Our dedicated team is renowned for transforming spaces with unparalleled craftsmanship and meticulous attention to detail. Whether it’s a high-end home, a modern office, or a commercial property, we deliver projects that elevate both form and function. By seamlessly blending design innovation with practical solutions, we ensure every project not only enhances the aesthetic appeal of a space but also maximises its value and usability. At CM Loft Conversions, we are passionate about creating bespoke spaces that reflect the unique needs of our clients. From concept to completion, we focus on the fine details and provide a smooth, stress-free experience. Whether you’re looking to transform your home, expand your business premises, or refurbish a commercial unit, our team is committed to delivering results that exceed expectations.
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Latest review:
I met Charlie and his team from CM Builders Ltd when they were completing a loft extension and ground floor extension for one of my neighbours. Quotation and budget I was given an estimate subject to drawings as I was on a strict budget that I had to keep to for the build. Charlie was able to help me keep to the budget, both at the final agreed plan and during the build. The project was complex in that whilst it was a loft extension, all of the house was rebuilt. The only thing kept was the external walls and first floor rafters. Whilst the footprint of the first floor was not being changed I wanted to bring it up to current building standards with extra insulation. All of the plumbing and electrics were also replaced including a new boiler. The overall build has come in on budget, save for agreed enhancements that I did not think of at the planning stage and or building regulations such as double ceiling fire plaster boards. There were also items such as the original stairs that I wanted to keep, but Charlie was able to increase the height space in the kitchen making the worktop much more usable for tall people for a larger part of the kitchen. These were suggested to me as potential options as part of the build. Stage payments The stage payments have all been sensible throughout the build and linked to the ongoing work schedule. I have not therefore had any concerns in this regard. Quality of work This was a very complicated build as unlike the ground floor the first and new second floor are “L” shaped. The new 2nd floor included an en-suite and 2 bedrooms. Overall the house has been increased from 2 bedrooms 1 bathroom, to four doubles and 2 bathrooms. The quality of work is excellent and Charlie project manages his team to ensure that they all deliver to a high standard- if it is not done correctlt they do it again, with Charlie spotting any issues. Timeline of build This has generally gone to plan very well. As with any build you have to be realistic as things will happen outside of anyone’s control. When issues have arisen Charlie manages them to a conclusion. Also be realistic if you are having to manage to a tight budget. I had to plan for various stage receipts of cash before I could order the kitchen and bathroom items - make sure you understand how this impacts the build and availability of the work force, recognising that CM Builders have to book kitchen fitters and plumbers. CM Builders are also very helpful in that they have sorted out issues with the brick work of my freestanding garage (nothing to do with the build) and also a neighbour’s wall that could have been dangerous to the public, should it have failed. Conclusion The whole family are very pleased with the outcome and we now have the equivalent of a brand new house that has been built to a very high standard. This has definitely been worth doing both from a valuation perspective and quality of life perspective. I would not hesitate to instruct Charlie and his team again.
Affordable Building Company
Rating: 5 out of 5
Loft Conversion Company in Chislehurst
We specialise in both internal and external building works within the domsestic market and offer a compete build sevise from project design all the way to project completion. We have specialist crews for all projects, lofts, extensions and coservatories.
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Latest review:
Restoration & Refurbishment- 8 May 2012
We hired Audrius initially as his quote was very competitive and I felt confident with his knowledge and practical approach to repair our roof, this was to remove all the slate tiles, lay new felt, new batons and replace with as many usable original tiles, this was organised and completed with as little disruption as possible to ourselves and we were highly pleased with the finished roof. We discussed further renovation works we wished Audrius to carry out so work continued with loft conversion, basement conversion, chimney brests removed, new boundary wall, replastered ceilings throughout, his team were polite and always cleared away when they left for the evening and they were always early in the morning. All problems were sorted quickly and the best solutions found always with costs kept to a minimum, we also changed things here and there and Audrius always had excellent ideas which would save costs and keep our budget in check. Audrius and his team are professionals and we have other work for them in the future and will not be using anyone else.
FWS Builders
Rating: 5 out of 5
Loft Conversion Company in Chislehurst
Hi We are FWS Builders and we supply a full service from ground works, the build, gas, electrics, plastering, kitchen fitting, bathroom fitting, roofs, windows, doors and much more. FWS Builders take great pride in our work and our services range from loft conversions, garage conversions, extensions, refurbishments, maintenance in home or business and any general repairs.
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Latest review:
Fletcher and his team did a 5 metre extension on my kitchen, installed a new kitchen, new doors and new floorboards throughout the downstairs. All members of his team were absolutely outstanding. The workmanship looked extremely professional and it turned out so much better than I expected. If there was ever a problem, it was never a case of ‘we can’t do that’ there was always a solution and I never felt stressed as I knew that whatever cropped up, they dealt with it. They were all so friendly and I felt at ease with them all the time. When I went to work, I left them to their own devices and they always locked up perfectly for me. I can’t recommend them enough and I will certainly have them back when I need more work completing.
Lofts of bromley
No reviews yet
Loft Conversion Company in Chislehurst
We are a loft conversion company based in Kent. We undertake both construction only and full loft conversions. We will supply Architectural drawings and deal with Building Control for you. We can also assist with party wall agreements . We offer a free quotation and a 10 Year structural Guarantee for your loft conversion. We specialise in Loft Conversions ,Carpentry and Roofing. We also offer complete solutions including electrics and plumbing 100% satisfaction guaranteed
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Nami Construction Ltd
Rating: 5 out of 5
Loft Conversion Company in Chislehurst
We offer comprehensive property refurbishment services that include decorating, plumbing, electrical work, plastering, extensions, and loft conversions. Our team comprises professionals, and we ensure that all instructions are regularly reviewed with our clients throughout the duration of the project. We provide transparent and detailed estimates and updates on a regular basis to help you control your budget. Our services cater to all types of homes, such as those owned by landlords, Thank you
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Latest review:
Plumbing- 19 May 2026
Emir did a good job. The company did a bathroom refurbishment after water leak, repaired the damaged ceiling downstairs and painted the room. Emir’s attention to detail is very good and he went the extra mile to do the job properly. I will recommend his services.
Bowyerbuilding
No reviews yet
Loft Conversion Company in Chislehurst
We are a father and son run business, we cover all aspects of building. Extensions, loft conversions, full refurbs, Soffit&fascias,Man caves,Driveways,etc
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Steven Green
No reviews yet
Loft Conversion Company in Chislehurst
Hello my name is Steven I work in the loft conversion industry so I mainly do first fix carpentry but I can do some second fix and I have 4 years experience with electrics as well so I have a bit of diversity
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Mt.Everest Builders & Construction
No reviews yet
Loft Conversion Company in Chislehurst
🏗️ Mt. EB’s & Construction ⚒🧱🛠👷🏼‍♂️🚧 Home & Building Improvement Specialists – Based in Welling #WeTheBuilders 🛠🧱⚒ #WeFixWeBuild We provide high-quality building services with a strong focus on customer satisfaction. No job too big or small! 🔧 Our Services Include: ✔️ Electrical Work ✔️ Central Heating & Plumbing ✔️ Kitchen & Bathroom Installation ✔️ Plastering ✔️ Painting & Decorating ✔️ Double Glazing (Doors & Windows) ✔️ Porches ✔️ Full Refurbishments ✔️ Extensions ✔️ Loft Conversions ✔️ Roofing ✔️ Timber Work ✔️ Concrete Work ✔️ Brickwork & Blockwork ✔️ Mortar Repairs ✔️ Garden Landscaping 📍 Based in Welling – Covering surrounding areas Contact us today for a free quote 👉 Reliable | Professional | Experienced
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L D Benson
Rating: 5 out of 5
Loft Conversion Company in Chislehurst
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.
vrsbuilding
Rating: 4.9 out of 5
Loft Conversion Company in Chislehurst
We ensure customer satisfaction with every job we do. My reliability and workmanship is second to none. We like to make sure our customers are 100% happy with our work. We supply free quotes and cover all aspects of building works from footing to roofing.
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Latest review:
Kitchen Fitting- 10 Nov 2019
Good clean worker Got job done in good time Very happy with completed job
Calibra damp proofing LTD
No reviews yet
Loft Conversion Company in Chislehurst
Welcome to Calibra we are a family run company specialising in architectural services , damp proofing , general building & a bespoke design and build services all these services under one roof to bring you a seamless service you will be sure to recommend
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Olney Loft Conversion LTD
No reviews yet
Loft Conversion Company in Chislehurst
I've been doing loft conversion for the last 15 years. I have extensive know on the building process. I have now started my own side company installing laminate and LVT flooring.
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Longstone Builders Limited
No reviews yet
Loft Conversion Company in Chislehurst
We are a family run building company, established in the year 2000. Our prices have always been found to be very reasonable and most of our work has been from word of mouth without the need to advertise. The majority of our work has been the conversion of houses into flats, but we have also undertaken numerous new builds, extensions and loft conversions. All our work is fully guaranteed and insured for all liabilities.
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Sunshine design & build ltd
Rating: 5 out of 5
Loft Conversion Company in Chislehurst
Sunshine Design & Build Ltd “Turning your vision into reality” We are a London-based construction company specializing in: • Full home renovations • Bathroom installations and tiling • Extensions and structural work • Plumbing, kitchen,electrical, and roofing services
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Latest review:
Bathroom Fitting- 8 Jan 2026
We couldn’t be happier with the bathroom and toilet refurbishment carried out by Sahir. From start to finish, the workmanship was outstanding and the attention to detail really shows in the final result. The spaces have been completely transformed and finished to a very high standard. Sahir was professional, reliable, and respectful of our home throughout the project, always keeping the area clean and tidy. Communication was clear and honest, and everything was completed on time. We’re absolutely delighted with the results and would highly recommend them to anyone looking for high-quality refurbishment work. A truly excellent job!
Shiv Builders
Rating: 5 out of 5
Loft Conversion Company in Chislehurst
Shiv Builders .We are professional .All aspects of building work. no matter its small or big job we take all kind of works Over 5 years of experience! -roofing ( new, repairs, replaces, alteration, gutter repair ) - plumbing, heating,new boiler, radiators, ventilation, drain repair - electrical ( new installation-certificate, fault finding, fuseboard ) -Extension - carpentry - bathrooms ( new, tiles repair) - kitchens (design/fitting/supplying) - damp problem - tiling - painting - and many more We try to advise clients in solving problems related to construction and avoiding them in the future. We do not do so-called quick works. We carry out all the work properly and reliably.
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Latest review:
Tiling- 25 Jul 2025
Shiv builders did the tiling for my bathroom. The quote was easy and done via a WhatsApp video. Price was reasonable. The job turned out to be more challenging than we first thought with uneven walls and floorboards were quite worn however they found solutions easily. The team arrived on time and did an excellent job. Always left the place tidy and very polite and professional. I then had a few additional jobs round the house such as changing door handles and fitting light pendants which they happily accommodated and again did a good job. Will definitely be using them for future work.

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Chislehurst, are rated 5 out of 5 based on 8 reviews from customers like you.

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What services are offered by loft conversion companies in Chislehurst?

Converting a loft often entails many jobs - some of which you likely haven’t even considered! Fortunately, a professional loft conversion company in Chislehurst 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 Chislehurst 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 Chislehurst

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 Chislehurst loft conversion company.

Find a loft conversion company in Chislehurst 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 Chislehurst.

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 Chislehurst can view your job and register their interest.

Step 2: Review and compare Chislehurst 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 Chislehurst 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 Chislehurst 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 Chislehurst

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 Chislehurst?

A local loft conversion company in Chislehurst 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 Chislehurst 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 Chislehurst 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 Chislehurst

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 Chislehurst before agreeing to start the work.

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

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 Chislehurst 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 Chislehurst loft conversion companies offer strategies to minimise disruption, but in complex projects, temporary relocation may be advisable.