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Loft Conversion Companies in Merton

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

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Some of our top rated loft conversion companies in Merton

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  • Loft Conversion Company in Merton

    We are JVG London Ltd a specialist team providing high performance building solutions and interior finishes throughout London and the surrounding areas. We provide expert installation of external and internal wall insulation systems that maximize thermal efficiency and protect your property. By utilizing advanced silicone rendering and professional plastering techniques we ensure every project achieves a durable and weather resistant finish. We are dedicated to craftsmanship and technical precision helping homeowners and businesses create energy efficient environments. Every installation is handled by our experienced specialists who prioritize structural integrity and a mirror smooth aesthetic. Through our commitment to transparent service and quality materials we maintain a reputation for excellence in the trade industry.

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  • Loft Conversion Company in Merton

    We are a professional builders

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  • Loft Conversion Company in Merton

    I have 19 years experience in the building trade. We can fit new bathrooms, kitchens, build extensions, plumbing, electrical work, staircases, tiling, plastering and most other jobs you may require doing around your house. We have also completed HMO’s, worked with many letting agencies and landlords directly. We are reliable and trustworthy and will work with our customers to make their ideas and dreams a reality. I provide free quotes and am fully insured. I can come and look at a job at a time to suit you including evenings and weekends.

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  • Loft Conversion Company in Merton

    We are experienced Carpenters, with 30 years of skill and knowledge on how to improvise in almost any situation when push comes to shove, we are well-experienced in loft conversion, tiling, bathrooms, kitchen fittings, flooring, plastering, extensions etc. We also do mini works in plumbing and electrics.

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  • Loft Conversion Company in Merton

    We have a 20 year experience in with handling windows and doors. We are manufacturing and supply Upvc winnows, doors, aluminium windows and doors, composite doors, patio doors, conservatory. We make upvc windows in Rehau profile

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  • Loft Conversion Company in Merton

    Electric, Roofing,bathrooms,skimming

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  • Loft Conversion Company in Merton

    HomeForge Developments Ltd provides high-quality extensions, renovations, bathrooms, kitchens and general building services across London. Reliable workmanship, professional service and attention to detail from start to finish. Built with Quality. Finished with Care.

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  • Loft Conversion Company in Merton

    All type of construction work. Loft and extension.

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  • Loft Conversion Company in Merton

    Fully qualified carpenter, NVQ3 , insured and happy to help.. No job to small or to big - from flat pack furniture to complete loft covertion.

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  • Loft Conversion Company in Merton

    From Landscaping to New build developments, we have vast experience in all building works. Working locally in Dartford/Bexley/Sidcup and surrounding areas we have always kept our schedules busy with work from repeat clients, investor developments and we have decided to use my builder to begin to pick interesting and local projects. Fully insured.

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  • I am an experienced carpenter and joinerer with over 20 years experience. In this time I have learnt valuable communication skills and man management as well as learning other trades. The work that we usually undertake are refurbishments, loft conversions, building design and extensions as well as other works in the construction industry.

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  • Loft Conversion Company in Merton

    Builder

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  • Loft Conversion Company in Merton

    Hi, I’m Michael from LADO Construction Ltd. With over 7 years’ experience in the building trade, I specialise in delivering high-quality home extensions, refurbishments, and property renovations across London, Kent and Essex. As a Builder and Project Manager, I take pride in running jobs smoothly from start to finish — from foundations and structural work to final finishes. At LADO Construction, our focus is professionalism, attention to detail, and open communication. We work closely with clients, architects, and surveyors to bring plans to life, ensuring every project is completed on time, within budget, and to the highest standard. Whether it’s a new extension, kitchen/bathroom renovation, loft conversion, or general building works, no job is too big or small. We aim to make the building process stress-free and transparent, keeping you informed at every stage. Fully insured and committed to quality, we’re here to create lasting results you’ll be proud of.

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  • Loft Conversion Company in Merton

    Hello, I’ve been in the construction business for more than 13 years. I’ve been doing high end projects including basement excavation works, new roofs, extensions, full internal renovations, plumbing and electrical works, etc. My company works with high skilled professionals to satisfy all customer needs.

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  • Loft Conversion Company in Merton

    A professional and reliable decorator/refurbishment and tradesman contractor with 16years experience available for all your property interior and exterior needs. I provide the highest quality of services and always have satisfied clients. I specialise in the following areas: - Painting and decorating - tiling - General plumbing - Electrical work - New kitchen fit - New bathroom fit - Carpentry - Gardening -renovating house or flat Also I do take maintenance contact. landlords and estate agents are most well come. My attention is focused on delivering a friendly service with high quality work, while at the same time offering good value for money. I can work around the clock to ensure the job is done to your required time scale. My ethos is: - professional preparation - Maintaining a clean and tidy environment - High standard finish - Polite and punctual - Reliability - Great value for money I place 100% customer satisfaction above all else. My clients are the most important aspect of my job and my aim is to leave my customers feeling happy and enthusiastic with the work completed. Please call or message me for a free no obligation quote. Available 24/7/365! I cover all area

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  • Loft Conversion Company in Merton

    We cover every aspect of construction. We have over 20 years of experience in the industry. We offer value for money and always take pride in our services.

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4.4

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Merton, are rated 4.4 out of 5 based on 12 reviews from customers like you.

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What services are offered by loft conversion companies in Merton?

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

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 Merton loft conversion company.

Find a loft conversion company in Merton 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 Merton.

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 Merton can view your job and register their interest.

Step 2: Review and compare Merton 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 Merton 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 Merton 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 Merton

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 Merton?

A local loft conversion company in Merton 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 Merton 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 Merton 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 Merton

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 Merton before agreeing to start the work.

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

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

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