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Loft Conversion Companies in West London

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

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Some of our top rated loft conversion companies in West London

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  • Loft Conversion Company in West London

    We are B&D Build with over 12 years of experience in construction and we undertake projects such as, extensions loft conversion, refurbishment etc. We operate from small to big projects so whether you are looking to expand, renovate or even just remodel you can trust the B&D build to achieve your vision. Strong client communication is our priority leading to skills and quality in every job we undertake.

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  • Loft Conversion Company in West London

    Dedicated electrician with years of experience installing, maintaining and repairing electrical wiring systems. Troubleshooter skilled at designing wiring layouts and constructing wiring circuits. Versed in National Electrical Code and local building regulations. Adaptable with extensive experience providing first-class results. Meets job demands and deadlines through diligent work-ethic and dedication to quality. Motivated with years of progressive experience. Energetic self-starter and team builder. Navigates high-stress situations and achieves goals on time and under budget.

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  • Loft Conversion Company in West London

    Thanks to our combined expertise in heritage and digital making, we champion creative reuse by transforming existing buildings. Looking back to pre-fossil constructions, we respond to climate change by using natural materials and developing unique material, structural and adaptive reuse design methods. We explore sustainable methods of construction to support collective projects that drive change. We value local communities and know-hows with our hands-on approach to construction, often alongside self-builders. We expand the architect’s role, by reclaiming a technical understanding of buildings’ life cycle with retrofit expertise and presence on site during construction. Current projects range from the urban to the rural: from retrofitting a city flat to transforming a pig farm into a cultural venue.

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  • Loft Conversion Company in West London

    A&T building services started oct 2014 with my business partner I worked with since 2008 as a sole traders, As a business grows we decided to advertise as never did before to extend possibilities .

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  • Loft Conversion Company in West London

    We are a comprehensive property and facilities solutions provider, dedicated to optimizing the performance, sustainability, and long-term value of our clients’ assets. Our expertise spans across Property Maintenance, ensuring the upkeep, safety, and functionality of buildings and infrastructure, while our Project Management Consulting services deliver strategic planning, risk management, and end-to-end execution for projects of all scales. Through Retrofitting, we help modernize existing structures with innovative upgrades that improve energy efficiency, operational performance, and compliance with current standards. Our Facilities & Asset Management solutions are designed to streamline operations, maximize asset lifecycles, and reduce costs, giving clients greater control and resilience in managing their portfolios. With a commitment to forward-thinking practices, our Sustainability & Compliance Services support organizations in meeting environmental targets, achieving regulatory compliance, and embedding sustainable strategies into everyday operations. By combining technical expertise with a client-focused approach, we deliver integrated services that enhance property value, support operational excellence, and create sustainable environments for the future.

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  • Loft Conversion Company in West London

    Loft fitter with 20 years experience. High quality and reasonable prices.

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  • Loft Conversion Company in West London

    Hi, I’m Elvis, a professional bricklayer with over a decade of experience in all aspects of brickwork and masonry. I take pride in delivering high-quality workmanship, whether it’s garden walls, extensions, repointing, repairs, patios, or new builds. I’m reliable, hardworking, and always make sure every job is completed to a high standard with attention to detail. Customer satisfaction is very important to me, and I always aim to keep work areas tidy, finish on time, and provide honest, competitive pricing. I cover local surrounding areas and am happy to take on both small repairs and larger projects. If you’re looking for a trustworthy bricklayer who takes pride in their work, I’d be happy to help.

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  • Loft Conversion Company in West London

    We are here to build your dream home to be your reality home.

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  • Loft Conversion Company in West London

    We are a south London-based building firm that specialises in breathing new life into homes. We work closely with our clients,alongside visionary architects, engineers and designers to unleash potential in their house and realise new and improved spaces. Whether your house requires expansion,our team of specialists work tirelessly to deliver the perfect home for you. Making Rooms are a group of passionate and multitalented individuals whose soul mission is to make your living spaces better.

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  • Loft Conversion Company in West London

    Carpentry and joinery. Bespoke wardrobes..

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  • Loft Conversion Company in West London

    Hi I'm a Irish carpenter based in Balham . I have been working as a carpenter for 18 years.I have vast experience in all areas of Carpentry and Building . For the past 3 years, I have been specialising in loft conversions and refurbishments. I have a small respectful team who work hard. I oversee all work as lead carpenter, taking on and completing one job at a time.If shortlisted I can arrange to show you work in have completed. Regards Ryan

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  • Loft Conversion Company in West London

    Hi my company is building outfitters Ltd. I m working in all over London and out of London area. I m specialist in loft conversion,extension ,electrical,plumbing,new build house ,bathroom and kitchen installation ,bespoke bedroom. Driveway,fencing. Skimming and rendering,painting and decorating.

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  • Loft Conversion Company in West London

    With over 20 years of experience in the building industry, I specialise in high-quality house extensions and loft conversions that add space, value, and long-lasting quality to your home. I take pride in delivering work to a professional standard, with a strong focus on reliability, clear communication, and attention to detail. From the initial design stage through to completion, I work closely with customers to ensure every project is carried out smoothly, safely, and to the agreed timeline. Whether you're looking to expand your living space, create an extra bedroom, or fully transform your property, I bring the skills and experience needed to deliver results you can trust. I’m committed to providing honest advice, transparent pricing, and a clean, tidy working environment. Customer satisfaction is extremely important to me, and much of my work comes from repeat clients and recommendations. I look forward to helping bring your next project to life.

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  • Loft Conversion Company in West London

    Hello Guys , My name is Shayan I am the director of Toopchian construction LTD . We covers Conversions , Paving , Electrical work , Plumbing , Carpentry , Painting and decorating, Plastering and much more please do not be afraid to ask as I have a big team who are professionals in many trades . We are Hertfordshire based however we travel up to 35 miles .

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  • Loft Conversion Company in West London

    As Principle Contractors we take pride in ensuring that our projects are key to tailor your details and design when in planning stages. Our staff members produce consistent results at the end of each project that is completed by us. At Lacon Design & Build we operate on 80% repeat business specifically for loft conversions, extensions and cladding as our team specialises in providing these services

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  • Loft Conversion Company in West London

    Hello, we are a small business that specialise in spray foam removal, we deal with both private and commercial properties of all sizes. Please contact for a quote as soon as possible as possible.

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4.3

Top rated Loft Conversion Companies

Our Loft Conversion Companies in West London, 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 West London?

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

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 West London loft conversion company.

Find a loft conversion company in West London 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 West London.

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 West London can view your job and register their interest.

Step 2: Review and compare West London 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 West London 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 West London 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 West London

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 West London?

A local loft conversion company in West London 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 West London 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 West London 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 West London

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 West London before agreeing to start the work.

Do I need planning permission for a loft conversion in West London?

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

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