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Loft Conversion Companies in Mortlake

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

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Some of our top rated loft conversion companies in Mortlake

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  • Loft Conversion Company in Mortlake

    I'm hard worker and trying to client be happy

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  • Loft Conversion Company in Mortlake

    Maben Construction Ltd was established in May 2012 and is a proud family-run business with over 14 years of experience. We have built a strong reputation for quality workmanship, reliability, and excellent customer service. Our continued growth is driven by client satisfaction, repeat business, and recommendations — delivering every project with care, professionalism, and attention to detail.

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  • Loft Conversion Company in Mortlake

    We specialise in high-quality general conversions, bathroom renovations, and kitchen transformations, bringing ideas to life with expert craftsmanship, attention to detail, and a reliable, professional service from start to finish.

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  • Loft Conversion Company in Mortlake

    Urban Lofts Specialists in Loft Conversion and Refurbishment. We take great pride in offering you the finest build service in London and its surrounds. We deliver excellent, convenient service to our costumers so you can be assured work will be done on time with attention to details. We will manage your project from initial plans through to full completion.

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  • Loft Conversion Company in Mortlake

    Since 2016, with a commitment to quality and customer satisfaction, we have specialized in a wide range of services tailored to meet your project needs. From comprehensive general Building Works to specialized services such as Piling Foundations, Drone Survey and Mapping, and Civil Engineering, we bring expertise and reliability to every endeavour. At Mirma Construction, our dedicated team of professionals combines years of experience with cutting-edge technology to deliver outstanding results. Whether you're envisioning a new construction project, enhancing existing structures with house extensions, or transforming landscapes with our Soft and Hard Landscaping services, we prioritize precision and attention to detail. Our mission is to exceed expectations by providing sustainable, efficient, and aesthetically pleasing solutions that stand the test of time. We take pride in our ability to deliver projects on schedule and within budget, ensuring seamless collaboration and transparent communication throughout. Explore how Mirma Construction can turn your vision into reality. Contact us today to discuss your next project and discover why we're a trusted partner in construction innovation.

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  • Loft Conversion Company in Mortlake

    Hi I’m johal builder we r doing extensions and interior work and 20 years experience for construction site work

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  • Loft Conversion Company in Mortlake

    At Multiplex Construction, we are a dedicated team of professionals specializing in residential and commercial construction projects. With our expertise, we transform spaces, provide innovative solutions, and deliver high-quality results that exceed our clients' expectations.

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  • Loft Conversion Company in Mortlake

    Our business is a partnership that undertakes house builds, extension, loft conversion and all general building works with over 40 years experience. Running and organising from start to finish. With a team you can trust to see the work you want completed to the highest of standards.

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  • Loft Conversion Company in Mortlake

    Façade & Cladding * Façade installation across a wide range of systems and materials * High-performance rainscreen cladding systems * GRC (Glass Reinforced Concrete) façades * Metal panel façades * Terracotta rainscreen systems * Curtain walling systems * Shopfronts and glazed façades * Atriums * Canopies * Louvres and ventilation systems * Privacy screens * External façade paint refurbishment * Mastic and façade sealing works Curtain Walling Installation of curtain walling systems, including: * Schüco * ALUK * Metal Technology * Smart Systems * Jansen * Single and double-glazed curtain walling systems * Structural glazing * Structural silicone glazing Windows & Doors Supply and installation of: * Aluminium windows and doors * Steel windows and doors * PVCu windows and doors * Timber doors * Composite doors * Commercial and residential entrance doors * Glazed doors and screens * Shopfront doors and systems Glass Supply & Installation * Single and double glazing * Replacement glass * Structural glazing * Safety and toughened glass * Laminated glass * Insulating glass units (IGUs) * Glass for windows, doors, curtain walling and shopfronts Internal & Specialist Glazing * Internal glazed partitioning * Internal partitioning systems * Structural glazing * Suspended ceilings * Glazed screens and internal doors * Glass replacement and remedial works Door Automation Supply, installation, servicing and maintenance of automated door systems, including: * Automatic sliding doors * Automatic swing doors * Entrance automation systems * Door operators and controls * Sensors and associated hardware

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  • Established in 2010 Northstar Building Solutions are a highly successful building company specializing in exceptional residential projects. As well as covering all aspects of new build and can deliver technical expertise to the latest building designs. We pride ourselves in completing a variety of projects including affordable and high specification housing, energy centres, hotels, restaurants, community centres and a church; we are experts at Extensions, Conversions.

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  • Loft Conversion Company in Mortlake

    My name is Cristian Nita, and I am a dedicated tradesman based in Hemel Hempstead. I take immense pride in my work, and my primary goal is to ensure 100% customer satisfaction on every project I undertake. As a sole trader, I offer a friendly, polite, and highly personal service. I believe that quality is non-negotiable, and I always strive to deliver the highest standard of workmanship. Reliability is the backbone of my business; I show up when promised and I am committed to the price provided in my initial quotation—no hidden surprises. My Services I cover all aspects of interior and exterior renovations, including: • Extensions & Loft Conversions: Complete structural projects. • Carpentry: All woodwork and wood flooring installations. • Tiling & Plastering: High-quality wall and floor finishes. • Painting & Decorating: Professional interior and exterior work. Whether it is a small repair or a large-scale renovation, I am committed to delivering the best possible results for your home. I look forward to discussing your project with you.

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  • Loft Conversion Company in Mortlake

    Groundworks and bespoke building Steel works Electrical plumbing Carpentry

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  • Loft Conversion Company in Mortlake

    At Barkatt we believe in “Innovative Expertise with Integrity”. We aim to use innovative methods, combined with years of expertise, to offer our clients a trustworthy service. Listening to our clients allows us to understand exactly what they are looking for and enables us to advise you accordingly to ensure you make the decision which is best for you. We cover most aspects of building, specialising in loft conversions, extensions, out-building, kitchens and bathrooms.

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  • Loft Conversion Company in Mortlake

    We are a 3 generation family run building company specialising in extensions with over 40 years of references. You can look at our Fitzpatrickbuilders Facebook page at our recent projects for inspiration. Please feel free to get in touch with any questions we can answer to get your project moving.

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  • Loft Conversion Company in Mortlake

    Based in London Sort Project Management Ltd is a construction company with over 10 years experience. Since we established in 2010, we have built over 100 new homes, extensions and conversions. We specialise in refurbishments, constructing new homes, loft conversions and extensions for greater living spaces. We also offer a full-service residential Design and Build service. We also offer the following services: Landscaping & Gardening Garage & Garden Room/Summer House Construction Roofing

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  • Loft Conversion Company in Mortlake

    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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4.2

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Mortlake, 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 Mortlake?

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

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 Mortlake loft conversion company.

Find a loft conversion company in Mortlake 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 Mortlake.

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 Mortlake can view your job and register their interest.

Step 2: Review and compare Mortlake 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 Mortlake 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 Mortlake 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 Mortlake

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 Mortlake?

A local loft conversion company in Mortlake 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 Mortlake 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 Mortlake 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 Mortlake

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 Mortlake before agreeing to start the work.

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

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

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