Loft Conversion Companies in Colindale

Name: Loft Conversion Company
Brand: MyBuilder
SKU: loft-conversion-company
Rating: 4.3 (10 reviews)

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Some of our top rated loft conversion companies in Colindale

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Luz Vargas Architects
Rating: 5 out of 5
Loft Conversion Company in Colindale
We achieve high standard construction projects by overseeing all our projects from start to finish in a professional manner and ensure that the construction phase of the project runs as smoothly as possible, to complete on time, and to give the client good value for money.
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Latest review:
We were very happy that we chose Luz for the job. Her experience and insight helped us to make some difficult decisions about how to subdivide the space. Among the suppliers that we spoke to, her solution was unique. We would definitely recommend her and use her on future projects. Patrick & Inji.
22g construction limited
Rating: 5 out of 5
Loft Conversion Company in Colindale
Hi , we are here on this platform to make your dream house into reality , with 20years of experience in all trades and expertise we will make sure you get the best service , so chose us for any kind of construction work . Thanks
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Latest review:
22g construction did my bathroom refurbished they did very good job more than my expectation I am happy to recommend 22 G construction anyone who’s looking refurbishment extension or any other work
4 You Residential Limited
Rating: 5 out of 5
Loft Conversion Company in Colindale
We have over 18 years of experience in residential and commercial refurbishment. We are skilled team of managers, architects, builders and craftsmen, competitively priced and flexible to suit your needs. We specialise in building basements, extensions, loft conversions and carry out full house refurbishments as well as working on smaller projects like kitchens, bathrooms, joinery and fit-out. Our team is energetic, fully insured, certified and recommended by long list of happy clients.
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Latest review:
Groundwork & Foundations- 18 Jul 2019
My wife and I have been truly impressed by Victor and Tom's quick turnaround and willingness to get the job done to an extremely high standard. Their men were friendly, efficient and tidy which is invaluable when taking on any new and daunting property project. As a result of their efficiency we are hoping to work with Victor and his team again in the coming months and would highly recommend them to anyone looking for a reliable and professional contractor.
Haxhi D LTD
Rating: 5 out of 5
Loft Conversion Company in Colindale
Our company is dedicated to becoming your contractor of choice no matter the service. We pursue excellence. Our dedicated and experienced team deliver quality in a timely fashion. we provide construction services and every job schedule is completed on a “Fast Track” basis with an emphasis on quality workmanship.Our pledge to excellence and customer satisfaction has led to repeat corporate with our clients and has been the cornerstone of our growth.
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Latest review:
Haxhi and his team exceed my expectations. We did agree on a bathroom renovation which basically everything was done from scratch. He was always on time and he met the deadline of the project. I had an issue with my water pump but he managed to fix it for little cost. Also he did the tiles for me on the wall and floor with very minimum waste and he did a brilliant job. We changed the position of the basin in order to save space and we did replace it the washing machine(hidden). We are now working on my other property to renovate the bathroom. Hahxi is very professional, knows the job very well, he did coordinate with me on every step to make sure we are on the same page . I strongly recommend him for any renovation project you may have.
Dreams construction group ltd
Rating: 1 out of 5
Loft Conversion Company in Colindale
Refurbishment, extension, lofts, bathrooms, kitchens
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Latest review:
Extensions- 6 Feb 2023
There seems to have been a communication issue with these builders. The job seems fine, but took much less time than they said and seems half finished to me. I expressed this concern and asked for a breakdown of costs (receipts of materials, hourly rate, etc). They would not supply any of these. I feel the cost was much more than it should have been considering how little time it took. I will not use them again and do not recommend them.
Nick building connections ltd
No reviews yet
Loft Conversion Company in Colindale
Almost 5 years doing lofts extensions refurbishment
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Cool Dudes Construction
Rating: 5 out of 5
Loft Conversion Company in Colindale
We do all sort of house renovations including new build extensions and loft conversions , bathrooms . Your satisfaction is our job
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Latest review:
Loft Conversion- 18 Feb 2024
I wanted to express my gratitude for the exceptional work done by Cool Dudes Construction on my loft and bungalow conversion project. Despite an initial estimate of 12 wks, it was completed to a high standard within 15 wks, with only a minimal 3-wk delay due to 3rd parties (window suppliers) and the holiday season. A complex project. Full rebuild of bungalow, which included hip to gable conversion, rear loft dormer, stair, ground floor extension and full ground floor rennovations (1st & 2nd fix). Mandeep and Balwinder tackled a complex design that involved the integration of steel beams and pillars. They coordinated with various suppliers and also helped me to order skylights, windows, and doors, ensuring timely delivery and installation to keep the project on track. Team always showed professionalism, ensuring that they were always punctual, tidy, and respectful. Commitment to completing the project on time was evident, they maintained open communication throughout. One +ve aspect was their willingness to work with a private building control company that i hired, which ensured compliance with regulations. Another +ve aspect of working with them was clear payment milestones in the agreement. Payment was made on completion of milestones, which provided transparency and reassurance throughout the project. Extremely satisfied with the build and would not hesitate to recommend Cool Dudes Construction to others seeking reliable and efficient building services.
Maxi electrical contractor ltd
No reviews yet
Loft Conversion Company in Colindale
Hi, I'm Maxi , a skilled builder with almost 10 years of experience specializing in Lofts and extensions. I pride myself on delivering high-quality craftsmanship, attention to detail, and reliable project management, ensuring your vision becomes a reality on time and within budget."
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aman building services
Rating: 4 out of 5
Loft Conversion Company in Colindale
Aman Building Services pride in quality and satisfaction. We have been set up since 2009 and provide the following services; Driveways, New Build, Carpentry, Bathroom, Kitchen, Bedroom fitting, Loft Conversions, Metal Gate services, Plastering, Tiling, Roofing, Guttering, Porch, Plumbing and Heating, Painting, Glazing, Electrical, Landscaping, Garage/Outbuildings. We can also assist with Architect and Buildings Regulation services. NO JOB IS TOO SMALL
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Latest review:
Restoration & Refurbishment- 19 May 2024
Work completed yesterday
Luminous builders ltd
Rating: 3 out of 5
Loft Conversion Company in Colindale
At Luminous Builders we bring design, build, and refurbishment together under one roof. We treat every property as a living structure — crafted with care, precision, and integrity. Whether you need a bespoke renovation, detailed interior finish, or full property transformation, our mission is simple: to deliver spaces that inspire, endure, and shine.
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Latest review:
Bathroom Fitting- 26 Feb 2026
Worst job ever. The first day he came at 10.30am started the job left at 9pm said it would take a day & a half. The next day he said he would be here at 8.30am again he came at 10.30am & his words were I’m going to finish in 2 hours maximum. By 3pm he still hadn’t finished & I heard him speaking to someone on the phone saying that he would be there in 45 minutes.then he told me he needed a part for my job & he would be a couple of hours, he came back 4 hours later without a part.Again he was here till 9.30pm. He said he had finished. I went to look and his work was bad. I complained he said he would come back the next day. the next he said he had finished & I told him I wasn’t happy he came back the next day. He tidied up his mistakes.he shaved the bottom of the door off a bit as it wouldn’t close coz of the new tiles & he left, as he was leaving he said please give me a good review. I said I’ll tell the truth & he said but the truth isn’t good. He didn’t stick the threshold back on.
Anjelina
Rating: 5 out of 5
Loft Conversion Company in Colindale
Hello, my name is Krasimir Dimitrov i am a tradesman, i deal with loft conversions, demolitions, new builds, extensions. I have been in the trade for over 10 years.
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Latest review:
Demolition- 17 May 2025
The team was great They did everything as they promised The job was finished on time Thanks for the help, it was much appreciated.
Blueprint Developments Limited
Rating: 5 out of 5
Loft Conversion Company in Colindale
Welcome to Blueprint Builders, where your dream space becomes a reality. Nestled in the heart of London, our team is at the forefront of design and construction innovation. We specialize in transforming spaces into luxurious living experiences, with services that include: - Elegant House Extensions - Meticulous Loft Conversions - Comprehensive Renovations - Bespoke New Builds And a wide spectrum of commercial and domestic building projects designed with your luxury and comfort in mind. At Blueprint Builders, your satisfaction is not just a goal—it's our promise. We're dedicated to bringing smiles to our clients faces through meticulous attention to detail, unparalleled craftsmanship, and a seamless client experience from start to finish. Stay connected with our journey of transformation on Instagram @blueprintbuilder. Follow us for a regular dose of inspiration through updated photos of our latest projects. Dreaming of a space makeover? Don't wait any longer. Contact us today for a complimentary site visit and a personalized quote. Let's make your vision a living, breathing reality.
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Latest review:
We recently had our 3-bedroom house renovated, along with a new rear extension build and a garage conversion, and I couldn't be happier with the results. The team demonstrated exceptional craftsmanship and attention to detail throughout the project. From the initial consultation to the final handover, they were professional, reliable, and transparent about costs and timelines. The renovation completely transformed our home, enhancing both its functionality and aesthetics. The rear extension seamlessly integrates with the existing structure, creating a spacious and light-filled living area, while the garage conversion provides a versatile space we can now use as an office. The team was approachable, accommodating any changes we requested during the build, and always left the site clean and organized at the end of each day. I was particularly impressed with their ability to stay on schedule despite some challenging weather conditions. If you're looking for a dependable team that delivers quality work, I highly recommend Blueprint.
HJ Architect Ltd
Rating: 5 out of 5
Loft Conversion Company in Colindale
HJ Architects is an architectural design studio based in Hampton, London. Established in 2016, we are an emerging practice, working on small carefully crafted projects that have a richness of detail. We have built up a portfolio of well designed residential and commercial projects, including Lawnsmead Cottage and Diamond Cottage, both within the green belt and bordering a conservation area. We emphasise the use of natural light and natural materials in our work, creating buildings and spaces that are elegant, timeless and contribute to their surroundings. The practice works with challenging briefs and solves complex problems with rational and clear design. Our conceptual ideas are developed and presented through sketches, models, drawings and dialogue. We believe good design makes the world a better place and can enrich peoples lives. We work closely with our clients from the outset to develop their brief into an imaginative, pragmatic and cost effective solution that is appropriate to its physical locale and context.
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Latest review:
Architecture- 16 Jan 2026
Henry did the drawings for our kitchen extension. He was responsive, helpful and delivered the drawings quickly. I wouldn’t hesitate to recommend him.
Moraru building
Rating: 5 out of 5
Loft Conversion Company in Colindale
Hi,my name is Ionut, I m Romanian man and general builder I can do lot of jobs . I m profesional,prompted and quality jobs. Free quote for all the possible customers.
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Latest review:
Roofing (Flat)- 13 May 2026
Was punctual, explained everything clearly and was reasonable on price. Will use again, Thanks!
Nami Construction Ltd
Rating: 5 out of 5
Loft Conversion Company in Colindale
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.
BOILER ACADEMY LTD
Rating: 5 out of 5
Loft Conversion Company in Colindale
team of Gas engineers and plumbers with years of experience we capable of doing all type of plumbing an heating work from replacing simple tap to whole hose New pipework
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Latest review:
Plumbing- 8 May 2019
Very quick and good job.

4.3

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Colindale, are rated 4.3 out of 5 based on 10 reviews from customers like you.

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What services are offered by loft conversion companies in Colindale?

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

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 Colindale loft conversion company.

Find a loft conversion company in Colindale 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 Colindale.

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 Colindale can view your job and register their interest.

Step 2: Review and compare Colindale 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 Colindale 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 Colindale 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 Colindale

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 Colindale?

A local loft conversion company in Colindale 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 Colindale 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 Colindale 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 Colindale

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 Colindale before agreeing to start the work.

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

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