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Loft Conversion Companies in Harrow

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Some of our top rated loft conversion companies in Harrow

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  • Loft Conversion Company in Harrow

    With over 20 years of experience in the building industry, HYS Builders Limited has the expertise to handle any project. Whether it's a small renovation or a new construction project, we have the skills and knowledge to get the job done right. From Loft conversions, Kitchen, extensions, Bathroom renovations, Refurbishing , New builds and many other different projects in order to get you your dream home. We have connections with many different tradesmen, ensuring the best prices, so you can choose your designs and we make the links in order for you to get the perfect price for your perfect home.

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  • Loft Conversion Company in Harrow

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  • MYD STUDIO London limited is a Design-Led Architectural and Planning consultancy focusing on New Build ,Extensions, Loft Conversions, Change of use and Flat conversion projects in different Boroughs in London. Whether you are looking to increase the size of your home, make the most of its current size through an internal alteration, or gain planning permission in order to increase its value before selling, we will help you to produce a planning application to meet all of your expectations.

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  • Loft Conversion Company in Harrow

    At Hambro Builders we have one mission and that is to make our client's dream homes a reality. Whether the project be a small refurbishment or a full scale transformation our aim is the same. We pride ourselves of having high standard of workmanship to create a beautiful home at an affordable price.

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  • Loft Conversion Company in Harrow

    We are a high-end construction company based in London, specialising in refurbishments, new build homes, extensions, and loft conversions. Our services include design and build, architectural solutions, and project management ensuring a seamless process from concept to completion. With over 20 years of experience, we’ve delivered exceptional projects across London and internationally, including grade-listed building restorations and refurbishments, where we’ve honed our craft in preserving heritage while introducing modern luxury. Our expertise extends beyond residential projects. We provide commercial construction services for clubs, hotels, offices, and retail spaces, delivering high-quality outcomes tailored to each client's vision. Whether it’s a * one-bedroom home or a full-scale development, we have the skills, resources, and passion to bring your ideas to life. We have also featured on channel 4 Grand Designs.

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  • Loft Conversion Company in Harrow

    HMO Construction was established to provide comprehensive construction services to individuals or organisations.In a professional, timely, efficient and cost effective manner ALL ASPECTS OF CONSTRUCTION UNDERTAKEN -EXTENSIONS/LOFT CONVERSIONS -REFURBISHMENTS -1ST & 2ND FIX CARPENTRY -BESPOKE CARPENTRY -FENCING/HOARDING -ELECTRICAL/PLUMBING -PAINTING/DECORATING

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  • Loft Conversion Company in Harrow

    With over 10 years of experience in structural engineering, MA Design Engineers specialises in providing tailored solutions for residential and commercial projects. Our expertise includes new build designs, residential refurbishments, and structural alterations. We are committed to delivering practical, efficient, and visually appealing structural designs that meet your project's unique needs. We offer a comprehensive range of services, including structural design calculations, general arrangement drawings, and detailed reports for pricing and building regulations approval. We also provide structural surveys and assessments for wall removals, alterations, and building defects, such as subsidence and cracking. At MA Design Engineers, we work closely with architects, contractors, and clients to ensure seamless integration of our designs into your project. We can assist throughout all phases of construction, from initial concepts to on-site inspections and construction support. Our goal is to provide reliable, cost-effective, and elegant structural solutions that bring your vision to life. Contact us to discuss your project today!

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  • Loft Conversion Company in Harrow

    At C.P Carpentry & Maintenance , we take pride in our unmatched craftsmanship. With over 15 years of experience in the industry, our skilled worker are dedicated to delivering building methods and solutions that exceed your expectations. Whether it's a full-scale home renovation, a unique woodworking project or general maintenance and building services. We provide transparent quotes, adhere to timelines, and maintain open communication throughout your project.

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  • Loft Conversion Company in Harrow

    At Prestige Constructionz, we specialise in high-quality building solutions tailored to modern living. From bespoke outbuildings, extensions and full refurbishments to kitchens, bathrooms and loft conversions, we take pride in delivering projects that elevate every structure. With years of experience in the industry, our skilled team ensures exceptional craftsmanship, attention to detail, and seamless project management from start to finish. We work closely with our clients to bring their vision to life—on time, within budget, and with no compromise on quality. Whether you're looking to expand your home, create a luxury garden room, or transform your interior, we’re here to help. Fully insured and committed to professionalism, we offer reliable service, transparent communication and outstanding results every time. Your satisfaction is our top priority.

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  • Loft Conversion Company in Harrow

    Residential building contractors with more than 15 years experience of new builds, extensions, loft conversions and property refurbishment.

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  • Loft Conversion Company in Harrow

    Hello ! My name is Timmy , I’ve been on construction industry for almost 10 years now ! I’ve done a lot of projects including loft conversion,extension,,full house refurbish, bathrooms, kitchens and many I’m new on this app that’s why probably I don’t have any feedback! Jobs we do: Loft conversion Extension House refurbished Kitchens Bathroom Plastering Painting & decoration Electrical work Plumbing And many more Timmy & construction LTD

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  • Loft Conversion Company in Harrow

    At Hodstons Our mission is to provide an alternative: The Vertical Evolution. We don't just build rooms; we unlock potential. We transform dark, dusty attics into sun-drenched master suites, state-of-the-art home offices, and serene sanctuaries that harmonize with your existing home while dramatically increasing its market value.

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  • Loft Conversion Company in Harrow

    A local building service located in London, right in the heart of the community. We provide a customer focused range of building services with particular specialisation in Lofts, Extensions, Basements and refurbishments. We have over 20 years of experience in the construction business, as a builder, consultant, project manager and director. Contact us today.

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  • Loft Conversion Company in Harrow

    Diamond Home Creations Ltd is a construction company that specialises in domestic and commercial building projects. Our unique and long-standing relationships with leading professional construction industry firms and suppliers, allow us to offer our clients the very best customer experience and value for money in the business.

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  • Loft Conversion Company in Harrow

    Ludvik Krnc mastered his skills as a tiler and marble fitter in the South of France, while he honed his expertise in mosaic in Ravenna, Italy. Ludvik has been specialising in the design and creation of superior bespoke bathrooms for over 20 years, his work taking him to Africa, St Tropez, Monte Carlo and all over Europe. The Company employs professional and specialised trades in order to create superior bespoke bathrooms for its clients.

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  • Loft Conversion Company in Harrow

    Loft conversion we are a family run company with me and my father I've been in the trade for over 17 years and my father for the past 40 years. After working in the US for 3 years I started using Eco friendly, stranger and better insulated materials to build lofts here in the UK.

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4.2

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Harrow, are rated 4.2 out of 5 based on 9 reviews from customers like you.

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What services are offered by loft conversion companies in Harrow?

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

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 Harrow loft conversion company.

Find a loft conversion company in Harrow 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 Harrow.

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 Harrow can view your job and register their interest.

Step 2: Review and compare Harrow 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 Harrow 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 Harrow 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 Harrow

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 Harrow?

A local loft conversion company in Harrow 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 Harrow 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 Harrow 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 Harrow

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 Harrow before agreeing to start the work.

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

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

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