Loft conversion companies in Clapham

Name: Loft Conversion Company
Brand: MyBuilder
SKU: loft-conversion-company
Rating: 4.5 (8 reviews)

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Some of our top rated loft conversion companies in Clapham

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JM Build Ltd
Rating: 5 out of 5
Loft Conversion Company in Clapham
We are team of professional builders specializing in refurbishments, loft conversions and extensions.Do not hesitate to contact us for a no obligation quote. We are also proud member of Checkatrade. You Dream It We Build It.
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Latest review:
Extensions- 14 Jul 2021
Juro and his team completed a total refurbishment of our house that included removing all internal walls, along with a double story side extension, a huge job involving lots of steels, re-roofing, new construction, new bathrooms and kitchen, new windows and rendering along with all the plumbing and electrical work and decoration. They did the most incredible job, working efficiently, adapting to any problems that came along and working really hard to create the best finish possible at the budget we had. Despite the pandemic arriving just after the demolition stage, they didn’t miss a day on site, and worked tirelessly to get materials to keep the project moving. Incredibly they still managed to finish the project on schedule and to a standard that was exceptional. Juro is honest and upfront, didn’t ever add costs or ‘unforeseeables’ and was an absolute joy to work with. He also stuck to a very clear payment schedule that was easy to follow and always meant we only paid when we were absolutely 100% happy. My only reservation in writing this review is that I would like to selfishly hang on to him and keep his schedule clear for future jobs with family and friends!
SEB NM LTD
No reviews yet
Loft Conversion Company in Clapham
Hi, Our Names are Jack & Sebastian. Sebastian has been working in the construction field for the past 8 years, working on a variety of projects from basement excavations, loft extensions to full house renovations. Jack has been working in the design industry for the best part of 12 years, primarily focused in high end Residential lighting. He has an eye for detail and residential design is his passion.
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Bexley quality builders limited
Rating: 5 out of 5
Loft Conversion Company in Clapham
building and carpentry Services . From our services from high end commercial to residential projects ,our extensive experience is in services like loft conversionskitchen setup and renovationshouse extensionback garden patioflooring, bathsnew construction building work etc. We have more than 500 happy and satisfied customers . We offer best price for the services along with flexible working hours.
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Latest review:
Sandeep was very punctual, good communicator and did a nice job. I was pleased with the work and the quote was fairly priced, after some outrageous quotes I got from others. I would recommend Sandeep in the future.
singhbuilder
Rating: 5 out of 5
Loft Conversion Company in Clapham
Hi my name is Dil Singh, I'm a runing own business with 10years + experience, Multi skilled in all aspects of as a certified electrician, roofing and building.Able to deliver a high standard of work. All new work can be done guaranteed,References avalible on request. I done plenty jobs like electric work: change the consumer unit, wiring, design and inspection and testing, fault finding, loft conversion, extensions. I never let down my customers. Job done guaranteed from a to z by me.
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Latest review:
Loft Conversion- 26 Dec 2019
Working with Dil was a pleasure! From the the outset he was very helpful with calculating overall costs (over and above his costs) for the build to ensure everything had been catered for and was very thorough in checking that my ideas/plans were appropriate for the long term. It was through the initial discussion that some minor adjustments were made and for the better I believe, simple things like where the new Megaflow System should be placed. He was very quick and efficient in identifying where there may be issues upfront and has the right contacts to get things sorted to minimise problems further into the build. I had to get a new mains water pipe installed which to me was a a major job but he got it sorted very quickly through his contacts at a very reasonable cost. His team are very polite and they do a as good a job as possible to minimise impact on your daily living if like us you are living in the property during the process. Essentially a team of 3/4 guys who are capable of doing most things however Dil does call in specialist trade as and when needed to ensure the job gets done in a timely manner, for my build he called in roofers and certified plumbers for the boiler. Only negative is that you have to watch the silicone sealant finishing which is not the tidiest but a minor in the grand scheme of things and if you don’t like something you simply have to say and he will redo within reason. Overall a very happy customer
Apex Plan & Build LTD
Rating: 5 out of 5
Loft Conversion Company in Clapham
Apex Plan & Build is your trusted partner in turning vision into reality. Specializing in both domestic and commercial construction, we are dedicated to transforming houses into dream homes and businesses into efficient, modern spaces. With over 30 years of collective industry experience, our team ensures every project is completed to the highest standard, offering expertise in M&E works, including air source heat pumps and MVHR ventilation systems. We also bring cutting-edge innovation to your space with smart home automation solutions like Loxone and Control4, creating environments that are not only beautiful but also intelligent and energy-efficient. Apex Plan & Build is where your dream project is our top priority.
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Latest review:
Very professional and organised. My rear extension renovation was impeccable, thorough knowledge of building regulations with a variety of services to choose from really put me at ease. The venetian plaster feature wall has become the centrepiece of our home.
SOUTH CONSTRUCTIONS LTD
No reviews yet
Loft Conversion Company in Clapham
A little about us With many happy and returning customers over the last 12 years, you can be sure of being well looked after. Our aim is to provide a stress free project, delivered in a manner that I am confident will exceed your expectations. We are proud to be an established business who are known locally for our fantastic service. Our customers are accustomed the outstanding quality of projects we complete
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Topgradesolutions Ltd
No reviews yet
Loft Conversion Company in Clapham
New build, extensions, loft conversions, renovation, alterations, supplies wooden windows and doors, removal
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Rayway limited
Rating: 5 out of 5
Loft Conversion Company in Clapham
Over 15 years of experience in building and construction industry
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Latest review:
Restoration & Refurbishment- 18 Feb 2021
Ray was an absolute professional. He fitted a new downstairs toilet which required a new soil pipe and associated groundwork as well as new stud walling to partition the space. He did most of the work himself, but brought in others for the pieces where he wanted an expert. He was flexible to small changes and was happy to take on additional work when unforeseen issues were discovered. The areas he had worked in were quickly cleaned before he left each day. Overall the work was completed to a good quality and at a reasonable price.
Total Interior Solutions
Rating: 5 out of 5
Loft Conversion Company in Clapham
Are you seeking a team who put your needs first? Then Total Interior Solutions is the team for you. We listen from the outset to what you would like your end result to be and this continues throughout the job which is completed to your complete satisfaction. Our team is ready to help you.
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Latest review:
Bathroom Fitting- 9 Jan 2015
Aggi and Pedro were excellent. They helped me to decide what fixtures and fittings I needed (including also doing some research themselves) and when it came to fitting the new bathroom they did it to a high standard and were tidy/cleaned up after themselves. I would recommend them.
Urban Construction Management Limited
No reviews yet
Loft Conversion Company in Clapham
We have been in business since 2015, and working with a number of leading contractors within the construction industry in the country. We have carried out works from new builds to refurbishments, and specialise in loft conversions and extensions, garden rooms, kitchens and bathrooms, and structural alterations. We have all the relevant insurance - employment liability, public liability and professional indemnity cover. We are certified by Construction Line, CHAS, Safe Contractor and BMTrada (Fire Door Installer).
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Dominant construction ltd
No reviews yet
Loft Conversion Company in Clapham
Dominant Construction is a customer centric integrated building company specialising in home renovations, loft and basement conversions, and kitchen extensions. With over a decade of experience, we have designed our processes to ensure that our clients projects run smoothly - always on-time and always on-budget. We keep clear lines of communication at all times to make sure projects are collaborative and executed with our client's needs at the forefront.
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Alcc
No reviews yet
Loft Conversion Company in Clapham
Loft conversation Home project and Extensions Tiles work Paint work Driveways Roofing Kitchen remodeling Bathroom remodeling Flooring Wood work One stop shop
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Mathew Crane
No reviews yet
Loft Conversion Company in Clapham
I'm Mathew Crane, a qualified and apprenticeship served carpenter with 11 years of experience in all aspects of 1st and 2nd fix carpentry. I have experience in new home build construction and renovation, extension and loft conversions. From foundations all the way to finishing joinery, I am competent and experienced.
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SRK Constructions London Ltd
Rating: 5 out of 5
Loft Conversion Company in Clapham
We offer a plethora of construction services and are known for excellent k-rendering, electrical fitting, plumbing, and carpet service. We have been in the industry for more than 14 years and our work varying from small to large projects speaks about our experience in the field. We believe in creating with heart and building with the mind. We are trustworthy contractors and always strive to meet the quoted budget. Clients’ satisfaction is the topmost priority of the SRK constructions.
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Latest review:
Bathroom Fitting- 12 Apr 2022
Sandeep was the first builder who I ever met who finished job before time . His team has worked very hard and did job as per our expectations . Before this I used 3 different builders and no one finished job on time . I will recommend him for any building related job .
Maksmith Ltd
No reviews yet
Loft Conversion Company in Clapham
At Maksmith Ltd, we specialise in loft conversions, house extensions, renovations, and residential construction projects across London. Established in 2024, the company was founded to provide homeowners with a reliable, professional building service backed by decades of hands-on industry experience. The company is led by Stephen Smith, an experienced construction and project management professional with over 40 years in the building industry. Before founding Maksmith Ltd, Stephen successfully managed projects for some of London's leading loft conversion and extension contractors, overseeing multiple developments and delivering high-quality results on time and within budget. Stephen's reputation has been built on clear communication, strong project leadership, and an ability to coordinate skilled teams efficiently throughout every stage of a build. His practical construction knowledge, combined with a Bachelors level Higher Diploma in Construction Management, allows him to manage projects of varying size and complexity with confidence and precision.“My strength is in building and completing projects, I'm good with that and have the ability to direct & support teams to deliver at scale and a track record to prove it”. At Maksmith Ltd, we understand that every project is a significant investment. That's why we focus on: ✓ Clear and honest communication  ✓ Professional project management  ✓ High-quality workmanship  ✓ Reliable timelines and budgets  ✓ Exceptional customer service Our goal is to make the process straightforward, transparent, and stress-free while delivering results that exceed expectations. We are proud of our reputation and are happy to provide references from previous clients upon request. Get in touch today to discuss your project and see how Maksmith Ltd can help bring your vision to life.
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Castle view construction Surrey Ltd
No reviews yet
Loft Conversion Company in Clapham
Castle view construction Surrey Ltd is a building and refurbishment company delivering high quality construction services across residential and commercial projects. We specialise in full property renovations extensions structural works fit outs and maintenance
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4.5

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Clapham, are rated 4.5 out of 5 based on 8 reviews from customers like you.

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What services are offered by loft conversion companies in Clapham?

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

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 Clapham loft conversion company.

Find a loft conversion company in Clapham 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 Clapham.

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 Clapham can view your job and register their interest.

Step 2: Review and compare Clapham 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 Clapham 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 Clapham 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 Clapham

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 Clapham?

A local loft conversion company in Clapham 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 Clapham 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 Clapham 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 Clapham

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 Clapham before agreeing to start the work.

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

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