Loft Conversion Companies in Chiswick

Name: Loft Conversion Company
Brand: MyBuilder
SKU: loft-conversion-company
Rating: 4.4 (11 reviews)

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Some of our top rated loft conversion companies in Chiswick

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Perpetual Growth Limited
No reviews yet
Loft Conversion Company in Chiswick
Hi there, I have over 20 years experience in building extensions, landscaping and bathroom refurbishments.
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Vilmos Huszak
Rating: 4.4 out of 5
Loft Conversion Company in Chiswick
Everol ltd has been running successfully since 2002. A team of 15 highly experienced team including; roofer, decorators, plumber, electrician, tiler, brick layers and plasterers bringing you the quality space in your home. We specialise in loft conversions, extensions and refurbishment projects. Have plenty of excellent references to privide on request.
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Latest review:
Restoration & Refurbishment- 18 Nov 2017
We were initially very impressed with Vilmos's work and communications with him. However, he has not completed the work and has been uncontactable since end Aug 2017. Vilmos identified and fixed a lot of errors made by a previous builder such as leaks in the bathrooms. He carried out works as requested by building control and as far as we can see these works were completed. We were especially happy with our communications with him as we were based overseas. The final step is for Vilmos to meet with the building control and get the building works signed off. However, Vilmos has suddenly become uncontactable via phone and email and has not contacted building control to carry out the final step.
Walter weir Ltd
Rating: 5 out of 5
Loft Conversion Company in Chiswick
Walter Weir Ltd - established as a design and build contractor for the highest specification projects in residential and commercial developments in London & The South East. Our team of skilled tradesman, project managers & architects cover all scope of works within construction, who are experienced professionals, making the dream a reality for every client. We believe in cementing lasting relationships with clients & this can only be achieved by maintaining a constantly high standard of work.
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Latest review:
Groundwork & Foundations- 19 Feb 2020
Donald Weir was really professional and helpful. They got the work done and handled our queries with patience. We will be soliciting their services again very soon!
Knights roof Ltd
No reviews yet
Loft Conversion Company in Chiswick
Knights Roof specialises in top-quality roofing, loft conversions, and timber work. We’re fully insured, highly rated, and committed to clean, timely work on every job. Fast-track roofing service available – because your time matters. With a focus on lasting craftsmanship and customer satisfaction, we treat your home like our own. We don’t just build roofs—we build trust. Free quotes & honest advice—every time.
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IGOR GANCIUC
No reviews yet
Loft Conversion Company in Chiswick
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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PRD Construction Ltd
No reviews yet
Loft Conversion Company in Chiswick
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.
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Sparrows Crew Limited
No reviews yet
Loft Conversion Company in Chiswick
Sparrows Crew - Your home is your cozy nest! Our specialization are loft and extensions. We doing also interior works like a bathrooms, kitchens, all carpentry works and painting as well.
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Alket Hysa
No reviews yet
Loft Conversion Company in Chiswick
My name is Alket. With 15 years of hands-on experience in the plastering, rendering and screeding industry i have honed my skills to deliver exceptional quality. Plastering:Expertise in applying various types of plaster,includin lime,gypsum and cement, to create smooth and durable finishes. Rendering:Proficient in different rendering techniques,including traditional sand and cement render, monochouche and acrylic render system. Screeding:Skilled in laying both traditional sand and cement screed and modern liquid screed to achieve level floors with precision.
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Mahi construction build and design Ltd
No reviews yet
Loft Conversion Company in Chiswick
My name manjeet singh .and my company name mahi construction build and design Ltd.i,m always try to good and nice work
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Continental Master Builders Ltd
No reviews yet
Loft Conversion Company in Chiswick
We’re Continental Master Builders Ltd. family Building Company sets up in June 2005 but we’ve been in building trades since 1998. We specialise in all types of house extensions and alterations, basement excavation and high spect interiors. We can also help with small repairs and emergency repairs around your property.
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Gymconstruction LTD
No reviews yet
Loft Conversion Company in Chiswick
Seasoned professional with 15 years of extensive experience in general building and roofing. Recognized as an expert in extensions, roofing, refurbishments, and loft conversions. Dedicated to providing innovative solutions, superior craftsmanship, and exceptional customer service to bring clients’ visions to life.
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Lawrence hosier
No reviews yet
Loft Conversion Company in Chiswick
Dear sir madam am qualified carpenter 25 years+ experience I am reliable and polite can do all aspects of carpentry from fitted wardrobes to loft conversions. am also skilled in tileing and fitted bathrooms references available apon request look forward to meeting you regards lawrence
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Zen Construction
No reviews yet
Loft Conversion Company in Chiswick
I’ve been working in the construction and property improvement industry for over 12 years, gaining hands-on experience across a range of jobs from full house renovations to smaller repair and maintenance projects. I’m based in London and cover surrounding areas. I specialise in Demolition, Carpentry, Bricklaying, Laminate Flooring, Extensions, Driveways, with a strong eye for detail, reliable workmanship, and a focus on delivering high-quality results. I take pride in being honest, hardworking, and easy to communicate with—clients know they can trust me to get the job done right the first time. If you’re looking for someone dependable, skilled, and committed to quality, I’m ready to help.
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RSP SPIRE LTD
No reviews yet
Loft Conversion Company in Chiswick
IT is a full service building company specialising in home renovations, home extensions, full maintenance and building alterations across the London. If your goal is to add value to your most important asset, get in touch and let us know what you are wishing to achieve, or read more about our wide range of home improvement services, before getting a no obligation estimate.
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Pan Capital Building and Maintenance Ltd
No reviews yet
Loft Conversion Company in Chiswick
We have been trading since 2015 and have a wealth of experience in: redevelopment, refurbishment, new build, demolition, steel frame structures and much more.
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Highgate Building Company Ltd
No reviews yet
Loft Conversion Company in Chiswick
Managing Director Kevin McKenna is an experienced Quantity Surveyor & project manager by profession and has over 30 years experience within the industry with over 20 years contracting experience -Family business with my brother who also has over 30 years experience in the industry - trade background and project management experience. General building works - Specialist Loft division ' HIGHGATE LOFTS'
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4.4

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Chiswick, are rated 4.4 out of 5 based on 11 reviews from customers like you.

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What services are offered by loft conversion companies in Chiswick?

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

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 Chiswick loft conversion company.

Find a loft conversion company in Chiswick 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 Chiswick.

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 Chiswick can view your job and register their interest.

Step 2: Review and compare Chiswick 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 Chiswick 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 Chiswick 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 Chiswick

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 Chiswick?

A local loft conversion company in Chiswick 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 Chiswick 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 Chiswick 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 Chiswick

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 Chiswick before agreeing to start the work.

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

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