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

Loft Conversion Companies in Canonbury

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

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 Canonbury

1781 Results

Sort by:

  • Loft Conversion Company in Canonbury

    We are a family run construction company dedicated to meeting all your construction work needs to high standard

    Get in touch
  • Loft Conversion Company in Canonbury

    Our business mainly offers loft conversion services however we do offer alternative building and finishing works such as door hanging, bespoke wardrobes, fitted units and other general carpentry works. Personally I have worked as a qualified carpenter for over 30 years. My experience ranges from loft conversions, 1st and 2nd fixing and bespoke joinery.

    Get in touch
  • Loft Conversion Company in Canonbury

    Arcus Construction was formed with the view to deliver the highest quality standards alongside exceptional customer service, making the construction process simple, seamless, well managed and entirely positive for our clients. As refurbishment & construction specialists, our multi-skilled team covers all trades, enabling us to provide a complete in-house, end-to-end service, which is managed & completed to our own impeccably high standards

    Get in touch
  • Loft Conversion Company in Canonbury

    With 25 years in the building game, specifying in carpentry and carrying out general building works I.e carpentry, landscaping, electrical, plumbing, plastering, decorating and so on - there is much experience behind us. Always professional, on time, competent and honest. We provide Free quotes with a breakdown. Taking this career into not only our jobs but our pride, we expect to meet all our targets while satisfying your needs.

    Get in touch
  • Loft Conversion Company in Canonbury

    Hi there, my name is Julian. With an experience of more than 15 years in construction and property maintenance. In the past two years we have built more than 10 lofts with very happy costumers. based in Borehamwood we do offer our services for whatever your property needs. No job is too big or too small for us, please feel free to contact us for a free and honest quotation.

    Get in touch
  • Loft Conversion Company in Canonbury

    Hi, I'm mandeep bajaj a reliable and experienced tradesperson with a strong commitment to quality and customer satisfaction. I specialise in loft extension, driveway,garage,bathroom fitting, plumbing, tiling, etc.] and take pride in delivering high-quality workmanship on every job, no matter the size. With 10 years of experience, I have the skills and knowledge to complete your project efficiently and to the highest standards. I’m punctual, tidy, and respectful of your home, and I believe clear communication is key to a successful project. Whether you need help with a full bathroom renovation or a small repair, I’ll work with you to make sure the job is done right. Feel free to get in touch—I'd be happy to discuss your project and provide a free, no-obligation quote. --- Let me know if you'd like this tailored further for a specific trade or service.

    Get in touch
  • Loft Conversion Company in Canonbury

    At Hillway Construction, every project begins with a deep understanding of how people live, interact, and envision their space. We deliver high-quality residential construction across London and the Home Counties, from bespoke refurbishments and extensions to full new builds, with a focus on craftsmanship, transparency, and client satisfaction.

    Get in touch
  • Loft Conversion Company in Canonbury

    Jassi Group is a professional property development and construction company with over 15 years of experience. We specialise in bespoke home extensions and residential building projects including garage / loft conversions. We pride ourselves on quality craftsmanship, efficient project management, and delivering results that enhance both living space and property value.

    Get in touch
  • Loft Conversion Company in Canonbury

    We are a refreshing and talented team based on the outskirts of central London. We are truly passionate about buildings and are happiest when designing them. We pride ourselves in adopting a fresh approach and our skills extend to designing all types of building. We believe in providing tailored solutions for each and every project and ensure we maintain communication with our clients throughout the process. We offer a bespoke service ranging from planning and building regulations

    Get in touch
  • Loft Conversion Company in Canonbury

    Why choose us? 1. We bring your concept to life 2. A friendly, professional and reliable service 3. Ensure the journey is an enjoyable one 4. Acting responsibly and transparently. 5. You’ll be delighted with the result!

    Get in touch
  • Loft Conversion Company in Canonbury

    ALL BUILDING WORKS UNDERTAKEN ●Electric ●Plumbing ●Renovation ●New Builds ●Lofts ●Garages ●Extensions ●EVERY TYPE OF BRICKWORK & BLOCKWORK ▪︎Extensions and Garages ▪︎New Builds ▪︎Garden Walls ▪︎Driveway Walls ▪︎Gate Pillars ▪︎Porches ● REPAIRS to existing buildings ●Any type of POINTING ●WEATHER POINTING ■HIGHLY EXPERIENCED TEAM MEMBERS WITH AROUND 30 YEARS OF EXPERIENCE ■GENUINE PRICE

    Get in touch
  • Loft Conversion Company in Canonbury

    ConSys Solutions is a specialist that offers a professional Design & Build service for your house extension, loft conversion, garage conversions or new build. One-stop shop that provides everything necessary from initial design through planning permission, building regulations compliance, liaison with authorities to project management and cost efficient, high quality construction. It is our mission to provide creative solutions and the main drive of our company is the customer satisfaction.

    Get in touch
  • Loft Conversion Company in Canonbury

    30 years of experience within the construction industry providing experience especially for loft conversions. Do call or quote for all types of types.

    Get in touch
  • Loft Conversion Company in Canonbury

    Hi, I’m Guillaume[giom], a highly experienced Structural Engineer and Building Control Officer now offering expert structural advice for loft conversions, wall removals, and other home improvement projects. With a career built at top-tier consultancies in London, including my recent role at SOM London on Saudi Arabia’s groundbreaking The Line project, I bring a wealth of knowledge from large-scale, complex developments to your home. I’m new to freelancing for individual projects, but I’m passionate about helping homeowners bring their visions to life with professional drawings, detailed calculation notes, and on-site support. As a Chartered Engineer (France) and soon to be IStructE accredited in the UK, I combine technical expertise with a practical, client-focused approach. Let’s work together to make your project safe, compliant, and successful—on your timeline!

    Get in touch
  • Loft Conversion Company in Canonbury

    Good price good quality

    Get in touch
  • Loft Conversion Company in Canonbury

    Longview Design & Build specialises in high-end architectural design in London. Our team take pleasure in understanding your vision and then guide you towards completion. We act as a one-stop-shop by providing you with all the tools you need to deliver success. Whether you’re looking to expand or refine your home with a loft conversion, rear or side extension, or a top to bottom refurbishment, we are the actual Design & Build construction company you are looking for.

    Get in touch

4.4

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Canonbury, are rated 4.4 out of 5 based on 11 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 Canonbury?

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

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 Canonbury loft conversion company.

Find a loft conversion company in Canonbury 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 Canonbury.

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 Canonbury can view your job and register their interest.

Step 2: Review and compare Canonbury 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 Canonbury 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 Canonbury 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 Canonbury

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 Canonbury?

A local loft conversion company in Canonbury 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 Canonbury 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 Canonbury 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 Canonbury

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 Canonbury before agreeing to start the work.

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

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

Other tradespeople in Canonbury

Cities