Loft Conversion Companies in Chertsey

Name: Loft Conversion Company
Brand: MyBuilder
SKU: loft-conversion-company
Rating: 4.4 (7 reviews)

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Some of our top rated loft conversion companies in Chertsey

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Louis Carlsen Build and Renovation LTD
Rating: 5 out of 5
Loft Conversion Company in Chertsey
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
B&D Construction London Ltd
Rating: 5 out of 5
Loft Conversion Company in Chertsey
Hi Our company undertake jobs ,Loft Conversion, Extensions, Carpentry, Gardens, Plumbing/Electrical , Plastering and Decorating,
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Latest review:
We’ve had multiple jobs done by Silviya. The first was a small extension and downstairs and partial upstairs refurbishment with new kitchen and 2 bathrooms fitted. This large job was completed within 16 weeks and looks exactly as we hoped. Given the extent of works we moved out for the build. The second was the construction of an outbuilding and garden redesign (patio and astro fitted). Again the results are great. We lived in during this project and I worked from home without disturbance. The latest has been the re-fit of new windows, front door and fixing the front render. Again, the results are very professional and minimal disturbance while the work took place. Will definitely use him and his team again, should we need any more building work and recommend them to others
Darktolight
Rating: 4.5 out of 5
Loft Conversion Company in Chertsey
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.
Simplybuild4you Limited
No reviews yet
Loft Conversion Company in Chertsey
My company specialise on Loft Conversions and Extensions, carpentry, plastering.
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Jhand construction ltd
Rating: 4.5 out of 5
Loft Conversion Company in Chertsey
Hi i have 14 years experience in construction industry we do loft conversion, extensions please feel free contact us
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Latest review:
Plastering- 21 Aug 2025
Best construction company, amazing staff. Thank you so much for the service.
Rutba design & build ltd
Rating: 5 out of 5
Loft Conversion Company in Chertsey
I provide complete building services like loft conversion, side & rear extensions, kitchen, bathroom, plumbing, underfloor heating, electric & driveways, painting & decorating etc.
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Latest review:
Absolutely great quality of work and outstanding service. Jagjeet and his team have done a great job without any delays. Honest and hard working. Very happy to recommend Rutba
Project-Wise
Rating: 5 out of 5
Loft Conversion Company in Chertsey
We offer a friendly reliable service that is second to none and can put you in contact lots of past clients who will give us glowing references on request. I have spent 30 years in the building industry, a time served bricklayer who has gained a very good knowledge of all aspects involved and trade requirements. This is why I offer a service you can rely on and guarantee all our work, which is carried out to the highest standard.
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Latest review:
Bricklaying- 16 Sep 2015
Two good Brickies did a grey job on building a double cavity wall on my garage / gym. Really pleased with the wrk, everything plumb and level, nice finish on the mortar joints of the outer red brickwork. Would definitely use these guys again.
Lamont Builds Limited
No reviews yet
Loft Conversion Company in Chertsey
Welcome to Lamont Builds Limited, your trusted partner for all your building needs in Surrey and across England. Specialising in a wide range of services, including extension building, loft conversions, renovations, garage conversions, and home office conversions, we are committed to transforming your living spaces into functional and beautiful environments. Our team of skilled professionals is dedicated to delivering high-quality craftsmanship and exceptional customer service, ensuring that every project is completed to your satisfaction. Located in the heart of Staines-upon-Thames, Lamont Builds Limited has established a strong reputation for excellence in the building industry throughout Surrey. Whether you're looking to expand your home with a seamless extension or convert your loft into a cosy retreat, our experienced builders are here to bring your vision to life. We understand the importance of creating spaces that not only meet your practical needs but also enhance the overall aesthetic of your home. Our extension builders are adept at designing and constructing additional spaces that blend seamlessly with your existing structure. From initial planning to final touches.
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Sky roofing and building services
Rating: 3.8 out of 5
Loft Conversion Company in Chertsey
Hi I have 8 year experience in roof work,extensions and loft conversion We do all types of roof work. Flat roof, grp fibreglass, tile roof , slate roof and carpenters.
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Latest review:
Roofing (Flat)- 2 Aug 2023
Stay clear of this person as he is not experienced builder and do not fulfill his commitments after taking money. Don't hire this tradesman unless you want someone not to turn up on agreed date and time or you want to chase him again and again without him picking up your phone calls or answering them.. My garden shed was leaking from the side. Amarjeet recommended to put new flashing on the garden shed roof to fix it. However, after putting flashing, the garden shed continued to leak from the same area he had put the flashing. He said this time the cause of leak were the joints which he failed to look into earlier. So, he fixed that. After second fix, the shed again leaked, this time directly under the flashing he had put. When I asked him to fix it, he refused saying that the issue is with the joints and not the flashing. I told him that I had hired him to fix the water leak and not the flashing or joints. I even said that I will pay him if the issue is different. After ringing him several times and then agreeing a date and time with him, he didn't turn up. He is not a professional or experienced builder. Having now spoken to another builder, they suggested that the issue is that the water is somehow going under the flashing he had put. There is a bigger problem of the water standing on the roof which needs to be fixed first and which this builder failed to notice. Unfortunately, I will have to pay another builder to complete his work!
Prime West Contractors ltd
No reviews yet
Loft Conversion Company in Chertsey
At Prime West Contractors, we excel in construction and renovation. With extensive experience, we offer professional drawings for planning at competitive rates. Our team brings your vision to life with precision and quality. Whether CAD/Drawings, Conversions, Extensions, Handyman, Loft Conversions, Painting & Decorating, or Restoration & Refurbishment, we've got you covered. We make your construction dreams a reality while maintaining high craftsmanship and customer satisfaction.
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Shri krishna builders
Rating: 5 out of 5
Loft Conversion Company in Chertsey
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.
4D ROOFING & BUILD
No reviews yet
Loft Conversion Company in Chertsey
4D ROOFING & BUILD We strive in to male sure all work is completed to a very high standerd we have a very good customer base through 25years in the trade. Farther amd son buisness covering all aspecs of build and refurbishment ie lofts , extentions , kitchens , bathrooms etc amd many other aspecs. Good friendly onast work gaurenteed full liabilty insurence
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DRYPSIAK
Rating: 4.9 out of 5
Loft Conversion Company in Chertsey
Hello everybody! My name is Viktor. I am professional carpenter and joiner. I have big experience in first fix and second fix carpentry and joinery jobs. I install doors, skirtings, architraves, make partitions, and all jobs wiht wood. I make lofts conversion. I have experience 7 yers in carpentery and joinery, and lofts conversion. I also have big experience in bricklaing jobs, and in extention jobs.
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Latest review:
Carpentry- 21 Dec 2025
Viktor and Michael are very friendly and professional. They were on time and the price quoted was the price I paid. I hired them to install architraves around 4 internal doors and I am very happy with their work. They made sure I was happy with the work before they left and they took time to clean up after as well. They take real pride in their work as all the joints are perfectly aligned and all the nails are sunk in to the wood so I can apply filler afterwards and paint. Viktor also made a quick trip to Screwfix to ensure he used the strongest adhesive to fix the architraves to tiles in the bathroom. I will hire Viktor and Michael in the future to refurbish my stairs and install wall panelling on the stairs wall. I highly recommend them for their honest and professional work.
HB Homes & Renovations Ltd
Rating: 5 out of 5
Loft Conversion Company in Chertsey
At HB Construction, we pride ourselves on delivering top-quality, reliable construction services with a focus on precision, safety, and customer satisfaction. With years of industry experience, our skilled team specializes in residential, from small renovations to large-scale builds. We are committed to using the best materials, cutting-edge techniques, and providing exceptional craftsmanship in every job we undertake. Whether you're looking to update your home, build from the ground up, or need expert advice and guidance, HB Construction is here to bring your vision to life. We work closely with our clients, ensuring clear communication and high standards every step of the way. Let us help you build your future, one brick at a time.
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Latest review:
From start to finish, HB Homes & Renovations were incredible. They listened to my ideas, offered creative suggestions, and executed the project flawlessly. The house feels like a new home now. I’ll definitely be using them again for future projects.
Skyway construction ltd
Rating: 5 out of 5
Loft Conversion Company in Chertsey
I am working in construction from 15 years . I have a good and experience team. I recently renovated the 3 bedroom house with a 6 meter back extension. I mostly do loft conversion, back extension, renovate the old house , back garage etc.
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Latest review:
Handyman- 22 Jan 2018
Saravjeet was excellent throughout both in his communication and flexibility with the number of small jobs that we needed completing throughout the house including repairing our kitchen cabinets, garden fence and electrics. I would recommend his services wholeheartedly.
T&M
Rating: 5 out of 5
Loft Conversion Company in Chertsey
Artisanat M&T London LTD is a professional carpentry and joinery company serving London and the surrounding areas. We specialise in bespoke joinery, fitted wardrobes, media walls, wall panelling, kitchen installation, flooring, staircases, first fix and second fix carpentry, internal doors, fire doors, skirting boards, architraves and complete interior woodwork. Whether you need a single room renovation or a full house refurbishment, we deliver high-quality craftsmanship, attention to detail and reliable service from start to finish. Our team works with homeowners, architects and contractors to create bespoke solutions that combine functionality with outstanding design. Every project is completed to the highest standard using quality materials and professional installation techniques. We take pride in our workmanship, clear communication and customer satisfaction, which is reflected in our excellent reviews and long-term client relationships. If you’re looking for experienced carpenters and joiners in London, we’d be happy to discuss your project and provide a free quotation.
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Latest review:
Joinery & Cabinet Making- 2 Jul 2026
Amazing work from Taras, he came round to our house and finished off all the odd little jobs we had. He was here for two days, and was extremely quiet and tidy! Thank you so much ☺️

4.4

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Chertsey, are rated 4.4 out of 5 based on 7 reviews from customers like you.

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What services are offered by loft conversion companies in Chertsey?

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

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 Chertsey loft conversion company.

Find a loft conversion company in Chertsey 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 Chertsey.

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 Chertsey can view your job and register their interest.

Step 2: Review and compare Chertsey 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 Chertsey 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 Chertsey 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 Chertsey

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 Chertsey?

A local loft conversion company in Chertsey 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 Chertsey 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 Chertsey 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 Chertsey

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 Chertsey before agreeing to start the work.

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

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