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Loft Conversion Companies in Mortlake

Easily find verified Mortlake Loft Conversion Companies. Just post your job to get quotes from MyBuilder's Loft Conversion Companies in Mortlake.

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Some of our top rated loft conversion companies in Mortlake

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  • Loft Conversion Company in Mortlake

    As one of the leading contractors within the residential development sector in and around Heathrow Surrey & West London, we have the expertise, resources and experience to deliver projects for you. At Enova we Design Innovate & Build a Future as-well as our projects from rENOVAting to New builds, Extensions & Commercial. We are ready to take a step forward.

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  • Loft Conversion Company in Mortlake

    Starting out as a carpenter I have been refurbishing flats over the past 20 years. I am a dedicated, reliable hard worker.

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  • Loft Conversion Company in Mortlake

    Building London is a specialist extension and conversion firm based in Wimbledon. Our unique focus is on helping you realise the best increase in property value while recycling and re-using materials wherever possible to keep costs down. We work with you at the design stage or with your existing designs, and promise you an excellent result with a well managed project. While we are new to MyBuilder, we have completed many extensions and conversions across London and have come together as one business after many years of partnership. We hope you will let us quote for your project and look forward to working with you.

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  • Infinity Projects Group stands as a prestigious and award-winning construction consultancy, boasting a rich legacy of excellence in delivering top-tier Project Management, Construction Management, Design and Build, and Refurbishment Services since its establishment in 2016. As a privileged client of Infinity Projects Group, you are guaranteed a service that is meticulously tailored to meet the intricate demands and nuances of your project. All wall is certified, and coming with 1 year free of charge warranty. We don't cut the corners and our Plumber doesn't perform Electrical job ! Please look at our website . -Design and Build -Project Management -Principle contractor -New Build -Refurbishment -Loft Conversion -Garage conversion -Kitchen extension and refurbishment -Architecture drawings and permissions -Building control -Gas safe -Niciec Approved contractor

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  • Professional Building Services You Can Trust. My name is Lukasz, and I am a highly experienced builder with over 20 years of experience working in the building trade in England. We provide a comprehensive range of general building and renovation services, working to the highest standards of quality, professionalism and workmanship. Whether it is a small repair, renovation, extension or larger building project, we take pride in delivering reliable and high-quality results. Our approach is simple: quality workmanship, honest communication and customer satisfaction. We work closely with every customer to understand their requirements, complete projects on time and ensure work is carried out to a high standard. We offer free, no-obligation quotes and are happy to discuss your project and provide professional advice.

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  • Loft Conversion Company in Mortlake

    With over 15 years of experience, we specialise in transforming homes through comprehensive renovation and refurbishment projects. Our passion lies in delivering high-quality craftsmanship and meticulous attention to detail, ensuring every client's vision is brought to life. We pride on clear communication and efficient project management, providing a smooth and stress-free experience from start to finish.

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  • Loft Conversion Company in Mortlake

    Hi. My name is Harpal Singh. I do complete bathrooms jobs and plastering jobs. Thanks

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  • Loft Conversion Company in Mortlake

    Nikolla Carpentry is a family business with over 30 years of experience in all aspects of carpentry. Costumer satisfaction is very important to us. We take pride in all of our work and we will always ensure that you will be happy with our services. We work with you from concept to completion giving professional advice and recommendations when needed. Being a family business we guarantee you quality work as we ourselves will get the work done. We never sacrifice quality for time. To give you a stress free service is also very important for us. Contact us for all your enquiries

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  • Loft Conversion Company in Mortlake

    Don Buildings Ltd Client satisfaction is our primary concern and goal. If you are looking for top quality efficient and professional service, so look no further Don Buildings Ltd is here for you For and on behalf of Don Buildings Ltd, Donatas

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  • Loft Conversion Company in Mortlake

    We are a skilled carpentry and joinery company providing high-quality workmanship for residential and commercial projects. With a strong focus on precision, reliability, and attention to detail, we deliver bespoke solutions tailored to each client’s needs. Our services range from first-fix and second-fix carpentry to bespoke joinery, Property maintenance, High end renovations and more

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  • Loft Conversion Company in Mortlake

    I take on small to large jobs from roofing, carpentry,extensions and groundwork’s,I have been in the building trade since I left school at 16 were I went straight into a carpentry apprenticeship then I worked for a roofing company for about 5 years before going it alone and I have been enjoying it ever since . I have a good customer manner and am very easy to get along with. I always shrive to make the customer happy at the end of each job I complete,Give us a call you will not be disappointed

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  • Loft Conversion Company in Mortlake

    My company name is NEW CRAFTS BUILDER LTD. We expertise in converting and building Homes according to customer needs

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  • Loft Conversion Company in Mortlake

    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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  • Loft Conversion Company in Mortlake

    “Building Dreams, One Brick at a Time 🏗️✨ | New Builds | Renovations | Extensions | Property Maintenance | Quality & Craftsmanship Guaranteed 🔨🏡 #YourVisionOurMission”

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  • Loft Conversion Company in Mortlake

    Omex Build is a London-based construction company specialising in residential building, refurbishments, and conversions. We combine skilled workmanship with transparent project management to deliver homes that feel refined, functional, and tailored to each client’s needs. Our team is known for professionalism, attention to detail, and a commitment to completing every project to the highest standard.

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4.3

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Mortlake, 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 Mortlake?

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

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 Mortlake loft conversion company.

Find a loft conversion company in Mortlake 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 Mortlake.

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 Mortlake can view your job and register their interest.

Step 2: Review and compare Mortlake 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 Mortlake 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 Mortlake 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 Mortlake

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 Mortlake?

A local loft conversion company in Mortlake 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 Mortlake 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 Mortlake 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 Mortlake

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 Mortlake before agreeing to start the work.

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

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

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