Describe your job with details to view a tailored list of tradespeople.
Post your job

Loft Conversion Companies in Sunbury On Thames

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

How it works

Post your job for free

Post your job for free

Tell us about your job, and we’ll alert suitable tradespeople in your area. It’s simple and free.

Tradespeople respond

Tradespeople respond

Once your job is posted, you’ll get responses from interested tradespeople through the website.

Review profiles and choose

Review profiles and choose

Browse profiles, work history, and feedback, then choose who you wish to share your details with.

Some of our top rated loft conversion companies in Sunbury On Thames

1270 Results

Sort by:

  • Loft Conversion Company in Sunbury On Thames

    We understand that construction is more than just building—it’s about creating spaces that are functional, durable, and perfectly suited to your needs. That’s why we take the time to plan carefully, communicate clearly, and work efficiently from start to finish. Whether you’re upgrading a single room, expanding your property, or starting a project from the ground up

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    At ABF Design, we specialise in transforming homes and commercial spaces through thoughtful design, quality craftsmanship and exceptional project delivery. From complete property makeovers to kitchens, bathrooms and bespoke interior finishes, we combine quality craftsmanship with meticulous attention to detail. We believe in transparent communication and a dependable service that you can trust where we deliver exceptional results that exceed your expectations. Whether you’re refreshing a single room or undertaking a full renovation, we’re here to bring your vision to life with a free consultation and no-obligation quote.

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    At Weatherproof Roofing, our mission is to provide high-quality roofing solutions that stand the test of time. We believe in using the best materials and techniques to ensure your home is protected from the elements. We have many years of experience as a roofing company. We stay in constant communication with our customers until the job is completed.

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    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

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    The best preparation for tomorrow is doing your best today.

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    FAIZ Construction Ltd is a Gas Safe registered company. We are qualified gas engineers and plumbers with full public liability insurance. Our team of experienced professionals delivers high-quality workmanship, reliable service, and a commitment to getting the job done right first time. Gas services: boiler installation, servicing, repairs, and safety checks. • Plumbing: installations, repairs, bathroom and kitchen plumbing, leak detection. • Emergency call-outs: rapid response for urgent gas or plumbing issues. • Maintenance and upgrades: system improvements, energy-efficient solutions, and compliance work. Gas Safe registered engineers; fully qualified and up to date with regulations. • Public liability insurance for your peace of mind. • Workmanship guarantee — we stand behind the quality of our work and resolve issues promptly. • Professional, hardworking team with years of hands-on experience and dedication. Please feel free to ask any questions or request a free quote. We respond quickly and can provide references and proof of qualifications on request.

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    Dear customer. I’m electrical and building contractor with 24 years experience in construction industry. Quality and customer satisfaction is our ultimate goal. Delivering a great service is our mission. We don’t shy away from small medium and large projects. All welcome. Thank you.

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    I have 15years experience in Roofing & Building. Im am based in South East London and take great pride in the quality of workmanship. I like to work with the customer in order to keep the customer satisfied, working on a word of mouth basis for our business.

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    Hello everyone ,we build your Dreams , We undertaken all building works ,

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    Builders with over 20 years experience in Building and Groundworks. No job too big or too small. From concept to complete build. Groundworks, Brickwork, Carpentry, Plumbing, Landscaping, Driveways,Patios,Demolitions, Extentions, Interiors, Loft Extensions/Conversions, Clearance, Electrics, Roofing

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    Jenkins Projects serves as a leading design & build company covering Surrey and London. We’re a team of fully-certified professionals who tackle everything from complex large projects to smaller scale jobs. We pride ourselves on our quality of workmanship alongside our high level of customer care, great communication and attention to detail

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    JBL Developers is a professional residential and commercial property‑development company, fully registered at Companies House. Visit our website to explore our portfolio and services. With a focus on quality, integrity and client satisfaction, we deliver bespoke renovations, refurbishments, conversions and new builds, tailored to your vision and budget. From the initial consultation through design, planning, build and hand‑over, our experienced team manages every phase with transparent communication and attention to detail. Whether it’s transforming a single room, overhauling a full home or developing a larger project, we ensure projects are completed on time, on budget and to the highest standards. At JBL Developers we believe in building lasting relationships and creating spaces that are not only aesthetically pleasing but functional, sustainable and built to last. Get in touch at to find out how we can bring your property ambitions to life.

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    Hiii, I very honest and I do very nicely any kind oof work i specially work for fencing

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    We have experience more then 2 years in roofing. We have experienced and trained staff and we offer the free inspection.

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    Bradley Thomas Homes is a residential building company established in 2021, specialising in roofing, loft conversions, extensions and home renovations. We deliver high-quality workmanship on projects of all sizes, from roof repairs and replacements to full property transformations. Our team is committed to reliable service, clear communication and attention to detail from start to finish. Whether you’re looking to create additional living space with a loft conversion, extend your home, or carry out essential roofing works, we manage every project with professionalism and care. We pride ourselves on completing work safely, efficiently and to a high standard, ensuring results that add lasting value to your property.

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    Welcome to AEC HORIZON GROUP LIMITED. Based in London, we are a professional construction company specializing in comprehensive electrical services for both domestic and commercial clients. We pride ourselves on delivering safe, high-quality, and cost-effective electrical solutions tailored to your specific project needs. About Us With a focus on precision and efficiency, we handle everything from minor repairs to full-scale installations. Our approach is proactive—we don't just complete the job; we partner with our clients to ensure every detail meets the highest industry standards. Whether you need a simple socket change or a complex 3-phase power system for an industrial site, we have the expertise to deliver on time and within budget. Services We Provide: Domestic Electrical: Full property re-wires, fuse board upgrades, extra sockets, and lighting installations. Commercial & Industrial: 3-phase power installations, office refits, and mains cabinet installs. Testing & Inspection: EICR reports, fault finding, and safety certifications to ensure full compliance with current regulations. Specialist Installations: EV charging points and energy-efficient LED lighting solutions. Why Choose Us? Reliability: We are punctual, tidy, and treat every property with the utmost respect. Safety First: All work is carried out to the latest 18th Edition BS 7671 standards. Customer Satisfaction: We offer clear communication and transparent pricing from the initial quote to project completion. Fully Insured: We hold full Public Liability insurance for your complete peace of mind.

    Get in touch

4

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Sunbury On Thames, are rated 4 out of 5 based on 7 reviews from customers like you.

Quality screening

Easily find verified local tradespeople. Just post your job to get quotes from tradespeople near you across the UK.

What services are offered by loft conversion companies in Sunbury On Thames?

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

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 Sunbury On Thames loft conversion company.

Find a loft conversion company in Sunbury On Thames 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 Sunbury On Thames.

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 Sunbury On Thames can view your job and register their interest.

Step 2: Review and compare Sunbury On Thames 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 Sunbury On Thames 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 Sunbury On Thames 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 Sunbury On Thames

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 Sunbury On Thames?

A local loft conversion company in Sunbury On Thames 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 Sunbury On Thames 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 Sunbury On Thames 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 Sunbury On Thames

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 Sunbury On Thames before agreeing to start the work.

Do I need planning permission for a loft conversion in Sunbury On Thames?

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

Other tradespeople in Sunbury On Thames

Cities