Loft Conversion Companies in Pinner

Name: Loft Conversion Company
Brand: MyBuilder
SKU: loft-conversion-company
Rating: 4.1 (8 reviews)

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

Select a service

How it works

Post your job for free

Tell us about your job, and we’ll alert suitable tradespeople in your area. It’s simple and free.

Tradespeople respond

Once your job is posted, you’ll get responses from interested tradespeople through the website.

Review profiles and choose

Browse profiles, work history, and feedback, then choose who you wish to share your details with.

Some of our top rated loft conversion companies in Pinner

1371 Results

Sort by:

Ecotech Power Installers
No reviews yet
Loft Conversion Company in Pinner
We are a trusted construction company delivering high-quality building solutions for homeowners and businesses alike. From precision measurements and full loft conversions to expert insulation and professional decoration, we manage every aspect of your project with care, skill, and attention to detail. Our experienced team is committed to transforming spaces — maximising the potential of your property while ensuring every job is completed to the highest standard, on time and within budget. Whether you are looking to expand your living space, improve energy efficiency, or refresh your interiors, we bring the expertise and craftsmanship to make it happen. Your vision. Our expertise. Outstanding results.
Get in touch
Hambro Builder Ltd
No reviews yet
Loft Conversion Company in Pinner
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.
Get in touch
Guarded Properties
Rating: 4.7 out of 5
Loft Conversion Company in Pinner
All works covered by £1m Public Liability All Building Works New Builds Extensions Refurbishments Outbuildings Roofing Bricklaying Electrics Carpentry GRP Roofing Asbestos Roofs Flooring Fascias Guttering Plastering Tiling Painting Decorating Ground Works Patios & Paving Fencing Carpeting Liaising with Building Control & Planning Your one stop construction shop!! High quality works Competitively priced Will beat any formal quotation on like for like basis!
Get in touch
Latest review:
Restoration & Refurbishment- 19 Mar 2022
Danny was polite, efficient and trustworthy. Completely honest and upfront about costs and supplies. I am hiring him again for more things! One of the rare people who is not out to rip you off or do a quick half-hearted job.
GRAND DESIGNS INTERNATIONAL LTD
Rating: 5 out of 5
Loft Conversion Company in Pinner
Grand Designs International (GD) | Architectural, Engineering & Construction Services At Grand Designs International (GD), we are dedicated to delivering high-quality architectural, engineering, and construction services tailored to meet our clients’ unique needs. Backed by over 20 years of expertise, our team specializes in transforming visions into reality—whether you're planning a new build, home extension, loft conversion, or full-scale renovation. With a strong foundation in innovation, sustainability, and precision, we provide end-to-end project solutions, from initial design and planning permissions to structural calculations and final construction. Our commitment to quality, efficiency, and client satisfaction ensures that every project is completed to the highest standards. Why Choose Grand Designs International? ✅ Full-Service Expertise – From architectural planning to construction, we handle every stage seamlessly. ✅ Planning & Building Regulations Specialists – We navigate approvals efficiently to prevent delays. ✅ Experienced & Certified Team – Qualified engineers, architects, and builders with a proven track record. ✅ Tailored Solutions – Every project is custom-designed to meet your style, space, and budget needs. ✅ Transparent Pricing & Project Management – No hidden costs, just reliable service with regular updates. ✅ Fast Turnaround & On-Time Delivery – We work efficiently without compromising quality. Our Services 🏡 Architectural & Planning Services Planning Applications & Building Regulations Approval Concept & Detailed Design Interior Design & Space Planning 3D Visualizations & Rendering Enforcement & Retrospective Planning 🏗️ Structural & Engineering Design Structural Calculations & Drawings Civil & Structural Engineering Services Quantity Estimation & Cost Planning 🔨 Construction & Building Services Home Extensions & Rear Extensions Dormer Loft Conversions & Flat Conversions New Build Homes & Full Renovations Project Management & Site Supervision Construction Planning, Procurement & Logistics Quality Control & Safety Management At Grand Designs International, we believe in delivering excellence, one project at a time. Our reputation for integrity, professionalism, and top-tier craftsmanship makes us the preferred choice for homeowners and businesses across London and beyond. 📞 Get in Touch Today! Let’s discuss your project and bring your dream home to life.
Get in touch
Latest review:
★★★★★ Highly Recommended! I had an existing 3-bedroom rundown property and contacted multiple builders before meeting Director Mr. Q Nawaz. From our first meeting, I was impressed by his ideas and the fact that Grand Designs could provide all services in-house. Initially, I proceeded only with the planning application to see if what he promised was possible—and YES, he delivered! My application was approved as he assured me. Seeing this success, I entrusted them with the entire construction project, and Grand Designs completed it within just 6 months, despite the challenges of COVID-19. Not only did they build my project, but they also added significant value to the development. I’m proud to have worked with them, and their exceptional work on my St Albans development is now featured in their portfolio. Within one year, the value of my property increased by £500,000—a testament to their expertise! Extremely professional, highly skilled, and very reasonably priced. You don’t need to go anywhere else—Grand Designs is the complete package!
B&D Build Ltd
No reviews yet
Loft Conversion Company in Pinner
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.
Get in touch
ALTUN PROPERTY CONSULTANTS UK LIMITED
Rating: 4.7 out of 5
Loft Conversion Company in Pinner
Altun Property Consultants is committed in delivering best customer service by completing projects With high standards for our customer The important fundamentals of Altun Property Consultants Uk LTD We believe that our passion to deliver service and accomplish project from paper to real life has enabled us to succeed in the work we do as a company we are a Member of the Construction Line Cold Member No:00407264 SSIP Acclaim Certificate Health &safety 00407264 Master Builders Federation No:146129 and QANW MemberShip No; 42575 FENSA No:MTC Number: 19882 Attention to detail established over the years of experience has allowed me to bring a positive change in many homes and we hope to continue doing so Also we do offer 2 year 6 year 10 year warranty
Get in touch
Latest review:
Restoration & Refurbishment- 24 Apr 2019
I hired Dursun Altun and his team for a full refurb of 3 bed house. His business co-ordinator Ayse was helpful throughout the whole process and listened to the design requirements we had. Dursun provided full new plumbing and new boiler and all new electrical work. We had all our windows and doors replaced and are happy with the work done. His team fitted new bathroom, shower, toilet and also the kitchen. They also did some carpentry and provided shelves and doors for closets. His team decorated/painted and cleared up at the end of the job making sure it was all left clean and tidy. They did a good job and delivered on time! Dursun and Ayse made sure we were happy with the job and were lovely to work with. The job was done to a good standard and I would recommend them.
GQ building services ltd
No reviews yet
Loft Conversion Company in Pinner
I have been working in building for 16 years I was a carpenter working in the luxury west end property developer. I have run my own team since 2010. I have taken projects worth £500k in the past. I have a great team and good customer service skills.
Get in touch
Dominant construction ltd
No reviews yet
Loft Conversion Company in Pinner
Dominant Construction is a customer centric integrated building company specialising in home renovations, loft and basement conversions, and kitchen extensions. With over a decade of experience, we have designed our processes to ensure that our clients projects run smoothly - always on-time and always on-budget. We keep clear lines of communication at all times to make sure projects are collaborative and executed with our client's needs at the forefront.
Get in touch
LondoNest Ltd
Rating: 5 out of 5
Loft Conversion Company in Pinner
Londonest is a London-based building company specialising in high-quality residential construction and renovation. We provide reliable and professional services including house extensions, loft conversions, full property refurbishments, kitchen and bathroom renovations, and general building works. Our team combines strong technical expertise with attention to detail to deliver projects that meet the highest standards of quality and safety. We work closely with our clients from the initial consultation through to completion to ensure every project is delivered on time, within budget, and to the client’s satisfaction. At Londonest, we pride ourselves on clear communication, transparency, and a commitment to excellent workmanship.
Get in touch
Latest review:
We hired this builder for a 2-metre rear extension and a very large garage extension and we’re really happy with the result. The project needed a pile foundation which is a bit more complicated, but they handled everything very professionally. They listened to what we wanted and kept us informed at every stage, which really helped as we were living in the house while the work was being done. The team were friendly, easy to deal with and worked to a good standard. Overall a very good experience and we would happily recommend them.
2U BUILDING
No reviews yet
Loft Conversion Company in Pinner
Loft, Extension, Refurbishment
Get in touch
Rapid roofing Essex
Rating: 4.5 out of 5
Loft Conversion Company in Pinner
We are a family run combine business & have been trading in the construction industry for over 50 year, working throughout London and the home counties since the 1970's! Starting with my Grandfather knowledge & ability to build an extension right though to building houses! & the same with my uncle's being a professional Plasterer & Roofer that we still continue to compete effectively against companies who frequently come and go as our work force are very dependable & skilled tradesmen! #family
Get in touch
Latest review:
Roofing (Pitched)- 17 Sep 2018
The job I required was to have some tiles removed and felt pulled back to get to the ceiling void and also to do this around a Velux Window. Jamie kept in touch with my regarding the job and was available for work at short notice, it was clear he knew about the roof tiles I would need. Jamie was very knowledgeable and knew how to get round the Velux window. He turned up with his team and they were very quick with the work and enthusiastic. They completed the work quickly and he even went away and got some extra tiles to replace any already broken tiles and also placed extra felt on to the roof for me. He was very friendly and I would recommend and use again for any roofing work required. He was punctual and ensured that I was happy with the work before he left and showed me what he had done. He was happy for me to pay him afterwards when I had more time.
House Renovation Services London LTD
No reviews yet
Loft Conversion Company in Pinner
I am a London based cont actor with over 10 years experience in property renovation and construction. I specialise in delivering high quality building work, from full refurbishments to extensions and new builds. I pride myself on reliable service, clear communication, and excellent workmanship.
Get in touch
London Homes Construction Ltd
No reviews yet
Loft Conversion Company in Pinner
All building works undertaken: single extension, double extension, loft conversion, refurbishments from private works to commercial projects. Family business who you can trust with several years of experience. We live by our motto: treat other people as you would like to be treated yourself.
Get in touch
Max
No reviews yet
Loft Conversion Company in Pinner
I do kitchen and bathroom installations, loft conversions, extensions, boilers, central heating, electrics, plumbing, tiling, carpentry. I give lifetime warranty on everything I do.
Get in touch
Patrick JR
Rating: 5 out of 5
Loft Conversion Company in Pinner
Experienced Tradesman who enjoys providing a friendly and reliable service to customers. No job too small from Demolition and groundwork’s to first fix of structures to second fix finishing jobs such as hanging TVs and mirrors. Please get in touch for a no obligation quote and estimated timescale.
Get in touch
Latest review:
Handyman- 4 Aug 2021
Great during the pandemic, able to change appointment due to isolation. Job completed in a timely manner and work space left clean. Job completed a month ago and still perfect. Thanks
DECOHOMES LIMITED
No reviews yet
Loft Conversion Company in Pinner
Decohomes Limited have been established over 14 years . We are an experienced company who can help with all aspects of building trade. We are specialised in LOFT CONVERSIONS AND EXTENSIONS, KITCHEN, BATHROOM AND HOME REFURBISHMENT. COMPETITIVE PRICES!!
Get in touch

4.1

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Pinner, are rated 4.1 out of 5 based on 8 reviews from customers like you.

Quality screening

Easily find verified local tradespeople. Just post your job to get quotes from tradespeople near you across the UK.

What services are offered by loft conversion companies in Pinner?

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

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 Pinner loft conversion company.

Find a loft conversion company in Pinner 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 Pinner.

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 Pinner can view your job and register their interest.

Step 2: Review and compare Pinner 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 Pinner 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 Pinner 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 Pinner

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 Pinner?

A local loft conversion company in Pinner 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 Pinner 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 Pinner 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 Pinner

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 Pinner before agreeing to start the work.

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

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