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

1239 Results

Sort by:

  • Loft Conversion Company in Sunbury On Thames

    All types of construction works undertaken from ground works to complete fit out. Over 13 years experience and fairly priced, professional service and reliable builders. Based in Oxford and covering 20miles surrounding areas. Contact us

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    Finance Available : We are "Braham Glazing Limited" a reliable family company in London. We provide our customers with high class and excellent quality designs and build services whether it's windows, doors, conservatory or a porch throughout the UK. We respect the individual expectations of each customer and provide tailor-made solutions with bespoke products designed specifically for each customer. We work with passion and dedication towards every job big or small.

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    Welcome to sharry crown Roofing Ltd, your premier choice for top-notch roofing and construction services in the heart of Hounslow, London. Based in North Hyde, we proudly offer a comprehensive range of services, including expert roofers, skilled extension builders, and specialists in loft and garage conversions. Our commitment to quality and customer satisfaction sets us apart in the bustling London trades scene.

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    Hi! My name is Viktor. My team and I are professional carpenters with over 7 years of experience in construction. We have received many great reviews from our customers. We specialize in both first and second fix carpentry, as well as any kind of woodwork. We take pride in delivering high-quality craftsmanship, always meeting deadlines and ensuring customer satisfaction. Whether it’s framing, flooring, doors, windows, or custom woodwork, we approach every project with precision and attention to detail. No job is too big or too small — we’re ready to help bring your vision to life.

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    I

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    Hi I’m jagjit johal we r doing excellent work house extension and loft conversion i have 20 years experience for building works

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    JRS Builders Company is a premier construction company that has been providing top-quality construction services for over a decade. With a team of highly skilled and experienced professionals, we are dedicated to delivering exceptional craftsmanship and outstanding customer service to our clients. Our commitment to excellence has earned us a reputation as a trusted and reliable partner in the construction industry. Whether it's a new home construction, renovation, loft coversion, extension, driveway & patio, bathroom & kitchen refurbishment or remodeling project, our team has the expertise and resources to bring your vision to life. Contact us today to learn more about our services and how we can help you with your next project.

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    An established building company we specialise in building extensions, renovations and redecorating. We typically perform Loft, Side or Rear Extensions, install kitchens and bathrooms, remodel as required and redecorate to a high standard. We are well known and highly regarded in North London and can provide numerous references. Run by an engineer we are considered highly professional. We encourage new customers to talk to our existing customers to hear first hand how we operate.

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

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

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    Lucky Build is a London based property renovation and refurbishment company serving residential and commercial clients. With years of experience, we specialise in full refurbishments, bathroom and kitchen installations, and damp proofing and timber preservation, delivering every project with precision, compliance, and care. Our qualified team of builders, gas engineers, plumbers, and damp surveyors manage each stage from design through to completion. We handle full renovations, single room upgrades, leak detection, and complex damp issues, providing reliable workmanship and long lasting results. Our services include property renovation and refurbishment for modern and period homes, the installation of bathrooms, en suites and wet rooms, bespoke and pre made kitchen installations with full plumbing and electrical connections, certified gas and plumbing work including boiler servicing and leak detection, and professional damp and timber inspections with detailed reporting. We also carry out damp proofing and timber preservation using proven methods that follow industry standards. Our focus is on quality, transparency, and long term value, combining skilled craftsmanship with reliable materials to deliver desired perfection!

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    Plus House Limited is a reliable and experienced construction company based in Kingston upon Thames, serving London and surrounding areas. With over 10 years of hands-on experience in the building industry, we have successfully delivered a wide range of residential projects, from small refurbishments to full property renovations and extensions. We pride ourselves on the quality of our workmanship, attention to detail, and a professional approach at every stage of the project. Our portfolio includes kitchens, bathrooms, loft conversions, structural works, and complete refurbishments, all completed to a high standard and in line with current building regulations. We regularly work alongside architects, structural engineers, and designers, ensuring that each project is well planned, compliant, and executed efficiently. Clear communication with our clients is very important to us — we listen carefully, offer practical advice, and keep you informed throughout the process. Plus House Limited is fully insured, trustworthy, and committed to delivering results on time and within budget. Customer satisfaction and long-term relationships are at the heart of everything we do.

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    We are an established construction company based on the London/Surrey borders. If we can’t do it, then it’s unlikely it can be done. Reach out to us if you want something small like a bathroom or kitchen fitted, through to your home refurbishments, loft conversions, extensions and new builds. We also specialise in complex groundwork like underpinning, foundation work, and we’ve done a few high profile basements. Call us if you want to go through your requirements.

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    yes we doing loft conversion on very good price and great work we provide in short time

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    Throughout the years in construction my father has gathered well balanced team with broad range of experience in every aspect of the job. After acquiring my engineering degree and some experience elsewhere, I re-joined my father once again to provide the service we are both proud of. Our background and experience in construction, design and engineering allows us to provide our clients with high quality service and ensure smooth work-flow of each project. Attention to detail is the key!

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    Hi i want to tell you one thing only, you will be proud yourself to hire me build your dream house.and i know you are spending your hard earned money foryour build a dream house once in a life.i have an experience last 25 years. all kind of building work taken.

    Get in touch
  • Loft Conversion Company in Sunbury On Thames

    Hi there, I am a local builder with a combined 30 years experience in the industry on projects ranging from loft conversions to renovations, as well as extensions and landscaping. I have a degree in Building Surveying and studied construction at Richmond college. Im not a bricklayer but have experience laying bricks and blocks as well as paving slabs. Key skills include: roofing, carpentry, plaster boarding, painting and decorating, pointing and many more.

    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