Loft conversion companies in Thamesmead

Name: Loft Conversion Company
Brand: MyBuilder
SKU: loft-conversion-company
Rating: 5 (4 reviews)

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Some of our top rated loft conversion companies in Thamesmead

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Tms builders
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Loft Conversion Company in Thamesmead
A local trades man who takes pride and care in my work. Been doing this 20 Years. Still look forward to new challenges
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essex builders
No reviews yet
Loft Conversion Company in Thamesmead
hi we are experience builders in london. we have a 10 year experience construction industry.
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JR OP LIMITED
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Loft Conversion Company in Thamesmead
We specialise in high-quality home improvements, with a strong focus on landscaping, extensions, and loft conversions, offering a complete design and build service from start to finish. Whether you’re looking to transform your outdoor space, expand your living area, or unlock the potential in your loft, we provide tailored solutions designed around your needs. From initial concepts and planning through to construction and final finishes, we pride ourselves on clear communication, reliable project management, and attention to detail. Our goal is to create practical, beautifully finished spaces that add real value to your home.
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SDR Carpentry And Construction
Rating: 5 out of 5
Loft Conversion Company in Thamesmead
I have 14 years experience in Carpentry, I cover all types of carpentey and construction. The work I undertake is a wide range if work consisting of.loft conversions, garden rooms Bespoke wardrobe, Kitchen fitting, Door hanging, First fix, Second fix, Building work
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Latest review:
Joinery & Cabinet Making- 15 Oct 2018
We hired Sam to build us some shelves and storage units in our two alcoves. He was very professional throughout and performed an excellent job whilst keep the house clean and tidy considering the weather conditions. He even assisted with extra design elements that were not part of the original scope. Overall the work was done on time, to the amount quoted and to a high standard. A very friendly and helpful service and always willing to go a step further than required. We would recommend Sam if you require any sort of carpentry assistance around your home.
G’ALEXANDR COMPANY LTD
No reviews yet
Loft Conversion Company in Thamesmead
I’m the Best
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Amritpal
No reviews yet
Loft Conversion Company in Thamesmead
All types of building work undertaken.
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Afraz Naqvi design studio ltd
Rating: 4.8 out of 5
Loft Conversion Company in Thamesmead
We are an award winning architectural practice based in West London, With over 20 years of experience. We work on anything relating to architecture. Thinking of redesigning/extending your home? Have land you want to build on? You have an idea and want to see if it's possible to build on it, then we can help. Our unique approach guides you through the planning or construction phase. No matter the size of your project, ANDS has everything you need to unlock your property’s potential.
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Latest review:
Architecture- 23 May 2026
We had a really great experience working with this architect team. They were friendly, professional, and easy to communicate with throughout the whole project. They listened carefully to our ideas, gave us practical advice, and suggested smart design solutions we hadn’t even considered. Their guidance really helped us make better decisions and avoid costly mistakes. The final result turned out even better than we expected, and the whole process felt smooth and stress-free. Definitely recommend them if you’re looking for creative architects who also give honest and helpful advice.
Painting & decoration
Rating: 4 out of 5
Loft Conversion Company in Thamesmead
We are a well established company which have been working all over london, We are skilled in many areas painting, decorating, carpentry, tiling and brick work. Our goal it to maintain a high level of service and effectiveness. As we obtain a professional conduct but with a personal touch for our clients. No job is too small and nothing is impossible with z construction.
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VIZ GROUP
No reviews yet
Loft Conversion Company in Thamesmead
Viz Group is the builder of choice when it comes to residential and commercial construction projects in London With over 20 years of experience and hundreds of projects, you can rest assured that our team are able to tackle any of your building needs.
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Goldhawk construction
Rating: 5 out of 5
Loft Conversion Company in Thamesmead
We take on all kinds of construction work and home improvements, anything from loft conversions and extensions down to hanging a door. No job is too small
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Latest review:
Carpentry- 1 Dec 2024
Perfect job done. Also, kept to time and at reasonable cost.
PROJECT RAMS LIMITED
No reviews yet
Loft Conversion Company in Thamesmead
Based in London, at Project Rams, we deliver comprehensive building and construction services, covering everything from high-end new builds and extensions to luxury interiors and bespoke finishes. We don’t just get the job done — we build with precision, style, and care. Every project is handled with a keen eye for detail, clean workmanship, and a calm, professional approach. What we offer: • Full building services from start to finish • Stylish, high-spec finishes • A respectful, tidy, and fully insured team • Clear communication and no hidden surprises We understand that inviting builders into your home is a big decision. That’s why we’re committed to making the process smooth, transparent, and stress-free. Most of our work comes through referrals and repeat clients, which reflects our dedication to quality and trust. We treat every home as if it were our own — with care, respect, and attention to detail. If you’re looking for a team that takes pride in delivering high-quality craftsmanship with finesse, shortlist us today and let’s have a chat.
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Carpentry
No reviews yet
Loft Conversion Company in Thamesmead
I am a carpenter with 15 year's experience. Can do any carpentry work( staircases doors,flooring ,roofs etc
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Lingo
New on MyBuilder
Loft Conversion Company in Thamesmead
We provide professional loft conversions, bricklaying and carpentry services, delivering high quality workmanship from structural alterations through to the final finish. Whether it’s creating extra living space, carrying out masonry work or completing bespoke first and second fix carpentry, we focus on reliable service, attention to detail and a clean, professional result.
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Roof Restorer Ltd
Rating: 5 out of 5
Loft Conversion Company in Thamesmead
Hi, and welcome! We’re Roof Restorer — a dedicated roofing company based in London, specialising in all aspects of roofing including new roof installations, flat roofs, roof repairs, tile replacement, leadwork, and more. With a skilled and reliable team, we pride ourselves on high-quality workmanship, transparent pricing, and exceptional customer service. Whether it’s a small repair or a full roof replacement, we treat every job with care and professionalism. We’re fully insured and offer guarantees for peace of mind. Get in touch for honest advice and a no-obligation quote — we’re here to help protect your home.
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Latest review:
Roofing (Pitched)- 18 Jun 2025
I was in need of a quick roof inspection to make sure that the works carried out by another roofer were to a good standard. Shilhaad was very prompt to get back to me and had outstanding communication from quotation through to delivery. He was fair and impartial, turning around a report on the same day. He was very friendly, approachable and knowledgeable. Thanks to Shilhaad, I can go back to our initial roofers with some evidence on work that needs to be redone. My only regret was not using Shilhaad and his team to carry out the roof works in the first instance. Thanks again!
NESIMI CONSTRUCTION LTD
Rating: 5 out of 5
Loft Conversion Company in Thamesmead
Nesimi construction ltd With over 18 years of experience, we specialise in bricklaying, driveways, and paving. We carry out all types of work including garden walls, patios, extensions, repairs, and general building. We pride ourselves on high-quality workmanship, reliability, and attention to detail. All jobs are completed to a high standard, on time, and at competitive prices. Friendly, honest, and professional service from start to finish.
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Latest review:
When Mr Nesimi came to undertake a pre-assessment for my front wall, he came across very professional and genuine and very honest about the work needed doing. He even suggested some changes to the work to reduce cost. The quote he gave me for the job was very reasonable and he was able to slot in my job within a week and arrive sharp on time at 8am and got on to the job straight away as I had a busy day at work for me to attend to. I notice that right from the start he was very clean and meticulous with the work and his job was of a very high quality ( compared to a job I had done by another builder 9 months ago). My neighbours also noticed this difference and were praising Mr Nesimi’s work. I would definitely recommend Mr Nesimi for any construction work as I felt he was very professional, reliable and honest and most of all the work was of high quality. I will be certainly calling him for my next job, most likely the driveway resurfacing and the attic conversion within the next year.
Enzo Build Solutions Ltd
Rating: 5 out of 5
Loft Conversion Company in Thamesmead
Enzo Build Solutions Ltd is a reliable, family-run building company providing high-quality workmanship across all aspects of construction and property improvements. We specialise in renovations, extensions, kitchens, bathrooms, carpentry, plumbing, electrical work, painting & decorating, and general maintenance. We take pride in delivering honest, professional service with attention to detail from start to finish. Customer satisfaction is our priority, and we aim to complete every project on time, on budget, and to the highest standard. No job is too big or small
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Latest review:
Bathroom Fitting- 27 Sep 2026
John recently installed a new bathroom and kitchen and built an understairs toilet room for us. He also did many smaller jobs including rewiring, plastering, roofing jobs. From beginning to end we were blown away by John's work. He was very fast but also never compromised the quality of the work which was always impeccable. He advised us the whole way about the best quality materials to buy and, when things went wrong (tiles not arriving on time etc), he was really helpful and gave great advice on how to deal with any problems. He was also just such a pleasure to work with! He always ensured that the area was very nice and clean after finishing a task. Would highly recommend John to family and friends (and already have done!) and I'm sure we will have him back in the future. Very reliable and trustworthy builder!

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Thamesmead, are rated 5 out of 5 based on 4 reviews from customers like you.

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What services are offered by loft conversion companies in Thamesmead?

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

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 Thamesmead loft conversion company.

Find a loft conversion company in Thamesmead 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 Thamesmead.

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 Thamesmead can view your job and register their interest.

Step 2: Review and compare Thamesmead 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 Thamesmead 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 Thamesmead 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 Thamesmead

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 Thamesmead?

A local loft conversion company in Thamesmead 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 Thamesmead 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 Thamesmead 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 Thamesmead

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 Thamesmead before agreeing to start the work.

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

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