Loft conversion companies in West Byfleet

Name: Loft Conversion Company
Brand: MyBuilder
SKU: loft-conversion-company
Rating: 4.2 (5 reviews)

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Some of our top rated loft conversion companies in West Byfleet

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AKAM BUILDERS LIMITED
Rating: 5 out of 5
Loft Conversion Company in West Byfleet
Akam Builders have over ten years experience in providing cost effective solutions for domestic & commercial building requirements be it simply refreshing an old bathroom to building a nursing home. We have a hard working team ready to help you transform your house into your dream home.
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Latest review:
I had a commercial property converted into 2 one bedroom flats. Akam builders did an A-class job. The work was done to a very high standard and within the time scale stated by Gurwinder. I was impressed by the extra work he did without any extra charge. This builder is a genuine and reliable builder. The work is in perfect condition after 6 months.
STUDIO20 GROUP LTD
Rating: 5 out of 5
Loft Conversion Company in West Byfleet
Studio 20 Architects is a vigorous and contemporary architecture firm based in Richmond, yet operating across London and South East England and covers all London and Surrey. We offer a full range of services including; *Architectural Services *Planning Application Services *Building Regulation Drawings *Structure Engineering Services *Extension *Loft Conversion *Project Management *Flat Conversion *HMO *Change of Use *New Build House *Interior Architecture & Design Services
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Latest review:
Architecture- 6 Jun 2021
Nadir is just the most ideal artitech we want! He is polite, offer tips, smooth communication thru, very professional. We already ask him to work together on next project. Highly recommended to all.
crown carpentry contractors ltd
Rating: 5 out of 5
Loft Conversion Company in West Byfleet
we undertake all aspects of carpentry to a high standard branching out to building work and full renovation
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Latest review:
Carpentry- 2 Feb 2022
I used Crown Carpentry for the first time and found Nick to be very good at his work. He knew exactly what needed doing with the three internal doors we had problems with. We thought two of them would need replacing but Nick was able to fix them quickly and securely with no need for replacement which we were very pleased with! His work was tidy and he thoroughly cleaned up at the end of the job. It took as long as Nick had estimated, he charged accordingly and at the price quoted. We were very pleased with Crown Carpentry and will be using them again if needed. I would highly recommend them to anyone.
MW Home Improvements Limited
Rating: 5 out of 5
Loft Conversion Company in West Byfleet
We are doing all types of house refurbishments and improvements. No job is too big or small for us. Skilled handiwork on high standard.
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Latest review:
Bathroom Fitting- 10 Jan 2023
Martin was very thorough from the beginning when giving me my quote. He did a very thorough job of making sure everything was to my liking. I cannot fault the quality of the work, my bathroom looks excellent! Martin is a really friendly guy and is very knowledgeable and was able to guide me when I did not understand. I would recommend him to anyone.
RH Roofing & Renovation LTD
Rating: 5 out of 5
Loft Conversion Company in West Byfleet
My company do best for you save your money and save your roof
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Latest review:
Roofing (Pitched)- 28 Aug 2026
Good tradesmen. Quick quote, turned up on time and completed roof leak.
Gajan
Rating: 5 out of 5
Loft Conversion Company in West Byfleet
When you want to quality work then call me, I'm a Qualified electrician
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Latest review:
Electrical- 11 Aug 2025
Gajan did a brilliant job, went above and beyond what was expected. Very polite, turned up on time. Would highly recommend.
Shri krishna builders
Rating: 5 out of 5
Loft Conversion Company in West Byfleet
Contact us for Brilliant and clean work with reasonable prices.experts in Bathroom fitting,Dormers and paint and decoration and roof repairs and new roofs, extension and all other kind of building works
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Latest review:
Bathroom Fitting- 10 Jan 2025
I have no hesitation in recommending Shri Krishna builders - Gagan, and his team Nitin and Sonu for all building works. I initially requested a new downstairs toilet, but they utilised their expertise for other works - a new bathroom and electrical works throughout my house. I found their work to be of a high standard, and equally importantly their manner was trustworthy, obliging - no job was too small or too big, and they were very helpful with their guidance on materials and ideas. I am sure our paths will cross again, when I next require a builder.
Saryal Construction Ltd
Rating: 4.9 out of 5
Loft Conversion Company in West Byfleet
A team of skilled and experienced workers operating efficiently and producing effective results that are appealing and catered to customers' needs. Non-VAT company. Competitive prices benefit. Feel free to get in touch for full house refurbishment or part refurbishments like bathroom/kitchen/bedrooms. Other project we take on are garage conversions, and projects like tiling, carpentry, roofing. https://linktr.ee/saryalconstruction
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Latest review:
Bathroom Fitting- 2 Aug 2026
The team did a brilliant job and completed everything in one day. A good price too. Great attention to detail and skilled workers.
Isher roof ltd
Rating: 5 out of 5
Loft Conversion Company in West Byfleet
*New roof *Roof repair *Flat roof *Slate roof *Chimney repair *Lead work *Guttering *Fascia & Soffit *Velux windows *Loft insulation *Loft boarding *Loft ladder
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Latest review:
Roofing (Pitched)- 29 Sep 2026
The job was completed as per the initial quote and exactly as expected. Very happy with the work and the service provided. I would definitely recommend them to anyone looking for reliable and professional roofing work.
Happy Building London Ltd
Rating: 5 out of 5
Loft Conversion Company in West Byfleet
Hello, We’re an architectural design and construction management company with a love of creative inspiration. We help turn dreams and visions into reality for people who aspire to live in exceptional contemporary spaces. Big ideas are our thing. Along with expertly costed build packages. Then there’s our end-to-end project management service, perfect for people who want to leave nothing to chance.
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Latest review:
Restoration & Refurbishment- 17 Jul 2016
Valter was very impressive on his initial visit with some exciting ideas for the house improvements and we had no hesitation in choosing Happy Building above the other two building firms who quoted. Having signed off on the budget and scope of work, Valter's team of builders arrived. We were hugely impressed with the skill, experience and work ethic of the team; the fact that they arrived early each morning smiling underlined the "Happy Building" epithet; Jarek, the site foreman, had an especially cheery demeanour. The work involved stripping the walls back to bricks, removing walls, reinforcing foundations, plastering, extending the bathroom and removing one bedroom to create a large ensuite bedroom. The latter certainly would not have been done without Valter's vision and patience in explaining how it would look. We were able to deviate from the original plans without any problem which was very important in achieving the final look which we had desired. Valter was very careful in sticking to time and budgets which I had never experienced before with builders. The kitchen, bathroom, two bedrooms, living room and hallways were finished to the highest possible specification within our budget. There were one or two small features which, with hindsight, we would have improved such as door handles and shower fittings, however this was down to us not specifying exactly what we wanted. These are very minor details and a tiny part of the overall picture.
AMD B.S. LIMITED
No reviews yet
Loft Conversion Company in West Byfleet
With over 20 years of experience AMD Building Services can transform your living space trough quality construction.
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Roofing MJD
Rating: 5 out of 5
Loft Conversion Company in West Byfleet
A family run business that has been fixing roofs for over 20 years. We thrive off customer satisfaction. Our mission is to solve your roofing issues promptly but with a quality finish, explaining everything along the way. We undertake new & old roofs, pitched roofs (tile & slate), flat roofs (GRP, felt, EPDM rubber), roof repairs, roof cleaning, UPVC (fascia, soffit, cladding, guttering), cement work, velux windows, sky lanterns, exterior painting & loft conversions.
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Latest review:
Guttering- 23 Oct 2025
The job went very well. All agreed works plus some extra bits were completed by Mark as promised. On time and everything left clean and tidy. Mark kept me informed as the work was being done. Very pleased with the results and will definitely look to use Mark going forward. Would definitely recommend
Douglas carpentry and building
Rating: 4.9 out of 5
Loft Conversion Company in West Byfleet
Douglas carpentry and building has over 10 years experience in all aspects of building work. We as a company have very high standards to accommodate all your building work needs from internal doors, skirting, architraves, built in wardrobes to all general building work. Hard working, dedicated, reliable, clean and tidy and here to give you a fair and honest quote. Please look at previous work on my Instagram page @douglascarpentry23
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Latest review:
Carpentry- 14 May 2026
Replaced a rotten external single door. The existing door frame was reused, as per request. This frame wasn't perfectly square which Alex had to compensate for. Alex arrived on time and completed the work without any unresolved issues, taking all offcuts and old door away for disposal.
Louis Carlsen Build and Renovation LTD
Rating: 5 out of 5
Loft Conversion Company in West Byfleet
Louis Carlsen Build and Renovation is a well regarded construction and renovation company experienced in transforming spaces with exceptional craftsmanship and attention to detail. With a team of experienced professional contractors and specialist engineers in a number of fields we offer a full range of services, from custom home builds and comprehensive renovations to external high level and ground works. Our commitment to quality, reliability, and customer satisfaction ensures that your project is completed on time, within budget, and to the highest standards. Choose Louis Carlsen Build and Renovation for unparalleled service and results that exceed expectations.
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Latest review:
Plastering- 12 Jul 2024
Louis's team completed the rendering work on our house to a very high standard. They arrived when they said they would, were highly considerate to those around them, cleaned up at the end of each day and kept me well informed during the whole process. I would use them again in the future without hesitation
Darktolight
Rating: 4.5 out of 5
Loft Conversion Company in West Byfleet
WELCOME to DARK 2 LIGHT CONSTRUCTION LTD. We are team of builders and electricians and all the trades . Our website is available to get more information ! Our team is made up of qualified, trusted and experienced workers . No job is too small or too big, we offer a big range of services . Call now to get a free quote !
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Latest review:
Restoration & Refurbishment- 4 Jan 2026
At the outset, Harry and his partner are good people. However, the job was not completed to a professional standard. Grout has started coming off from between the tiles leaving gaps that water can pass through, the door hinge was not properly fitted leaving a door that will not close, the radiator pipe clips were not fitted, tile trims are not flush with rest of the wall, shelves were fitted on top of old broken wood. And the worst part is that Harry did not turn up even after confirming a date to come back and fix the missing parts. I paid him extra for all the additional jobs, even though certain items from the contract were not done ( for e.g. replacing the bathtub panel ). They have multiple jobs ongoing at the same time and struggles to stick to schedule. If you get them I would advise not paying everything upfront and making sure contract is signed only after it is made sure that they would stick to schedule. I struggled to get them to commit to a date and stick to it.
Seven Hills Developments Ltd
No reviews yet
Loft Conversion Company in West Byfleet
Seven Hills Developments is a Surrey-based building company dedicated to creating beautiful, functional, and lasting homes. With over a decade of experience in the construction industry, we specialise in home renovations, loft conversions, extensions, and bespoke new builds, offering a complete service from concept through to completion. Our team combines craftsmanship with attention to detail, ensuring every project is delivered to the highest standard. Based in Epsom, we proudly serve clients across Surrey, Hampshire, and South London, working closely with homeowners and architects to bring visions to life. At Seven Hills Developments, we believe in clear communication, reliability, and a client-focused approach — values that have earned us a strong reputation for quality and trust. Whether you’re looking to add space, modernise your home, or build something entirely new, we provide the expertise and support to make it happen.
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4.2

Top rated Loft Conversion Companies

Our Loft Conversion Companies in West Byfleet, are rated 4.2 out of 5 based on 5 reviews from customers like you.

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What services are offered by loft conversion companies in West Byfleet?

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

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 West Byfleet loft conversion company.

Find a loft conversion company in West Byfleet 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 West Byfleet.

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 West Byfleet can view your job and register their interest.

Step 2: Review and compare West Byfleet 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 West Byfleet 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 West Byfleet 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 West Byfleet

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 West Byfleet?

A local loft conversion company in West Byfleet 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 West Byfleet 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 West Byfleet 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 West Byfleet

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 West Byfleet before agreeing to start the work.

Do I need planning permission for a loft conversion in West Byfleet?

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