Loft Conversion Companies in Brentwood

Name: Loft Conversion Company
Brand: MyBuilder
SKU: loft-conversion-company
Rating: 5 (4 reviews)

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Some of our top rated loft conversion companies in Brentwood

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G lofts (gra)
Rating: 5 out of 5
Loft Conversion Company in Brentwood
G LOFTS is part of G R Associates building contractors and as been trading for approx- 36 years + within the construction trade Most types of works is under taken from kitchen fitting bathroom fit outs and loft and flat conversion.
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Latest review:
Loft Conversion- 22 May 2015
Hiring a good builder with all your expectation can be a very difficult experience. Especially to those who never done large scale building work. Having herd of people nightmare is one that you always dread that you may be the next victim. With George and Stephen there is probably few of a kind out there. I did three major work with George and I cannot highly thank enough of the quality of their work. George is very knowledgeable in the trade and has huge experience in getting the perfect loft. The added extra quality he has done on the gable end is something special. He is a multi-skilled tradesman and did all the work on his own with electric, plumbing, tiling, rendering etc. He also did good job in my bathroom too but that wasn’t an easy job having a bay window. The other work he did was the rendering whole of my external building. Again I did not expect this sort of rendering but the end results was exceptional. George kept his schedule and timing and finished within the predicted timescale. He was always on time and finished the daily with good clean and tidy of the whole area of his work. There was minimum disturbance throughout the house in the entire 8 week of his work. Lastly the professionalism within his work was always kept to the agreed standard, he always updated me with written work every week which I founded very helpful. I can recommend George to anyone and definitely too friends and family. Thanks again to G Lofts for everything.
TRJ Builders Ltd
Rating: 5 out of 5
Loft Conversion Company in Brentwood
I do all kinds of carpentry jobs like first fix, second fix and all kinds of joinery work. Also do all kind of lofts.Internal, dormer,Hip to gable.Doing these kind of jobs for more then 20 years. I also done the job for channel 4 last year.If somebody wants to see my jobs done they are most welcome.
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Latest review:
Loft Conversion- 23 May 2017
I had my loft stairs done by Singh. I can only say that he had a great attitude , totally professional. Fully able to listen to what I wanted and provide solutions for any potential problems that came up. Very happy with the end result. The work is of great quality , materials used very good. They said the job will be done in 1 week and this was finished on time as promised. We are now looking at doing more work with them as we are doing a full loft conversion. Would recommend 100%!
BILL EPS LTD
Rating: 5 out of 5
Loft Conversion Company in Brentwood
BILL EPS LTD plan, design, and installation of electrical, plumbing,gas appliancescentral heating, IT, home entertainment, fire & security system. commercial contractors Customer satisfaction is our top priority.
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Latest review:
Loft Conversion- 31 Jan 2019
Excellent work done. Bill was very helpful throughout the whole process. I have already recommended him to multiple family and friends. Very professional.
PFR Builders Limited
Rating: 5 out of 5
Loft Conversion Company in Brentwood
Over 30 years experience in the building industry. We are a general builders but specialised in carpentry, roofing, kitchens, extensions, loft conversions. We have customer service and received recommendations from our customers. We believe in attention detail and realise that we will be working in YOUR home, keeping you informed throughout the whole process. No hidden extras, genuine honest quotations using the latest technology and current prices. We pride ourselves and our high standards.
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Latest review:
We are renovating our house. Pete has knocked walls down, built new internal walls, hung doors, laid a wood floor, put down new skirting boards and best of all built and created my lovely new kitchen and utility room. I cannot fault his workmanship it is of an excellent and very high standard. He is very efficient and always turns up when he says he will be there. Pete is also extremely good at giving you ideas on how to resolve issues that arise. I would highly recommend him.
NLCS
Rating: 5 out of 5
Loft Conversion Company in Brentwood
Hi my name is Christos I am a carpenter with over 10 years of experience, working With high end companies fitting kitchens, bedroom fitting and many years on site carpentry doing anything from 1st to second fix carpentry. I guarantee a very high standard quality of workmanship at reasonable price.
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Latest review:
Hard Flooring- 14 Jun 2020
Excellent professional job. Started at 8 am finished at 6.30. Laid solid oak floor and carpentry work to kitchen units. Left kitchen tidy.
Eleven Construction Ltd
Rating: 5 out of 5
Loft Conversion Company in Brentwood
ECON provide best quality building services to customer who are looking for high standard works for their residential properties up to their desired satisfaction. We are a professional building construction and maintenance company with highly skilled staff & workers of all trades to carry out the task given to our company.
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Latest review:
Builders and team work like professionals and completed everything in time. Highly recommended team of professionals.
Aspen Building Solutions ltd
Rating: 5 out of 5
Loft Conversion Company in Brentwood
Aspen offers a one-stop-shop for all your building and construction needs to ensure a simple and seamless process, saving you time and money. We handle the complete process from design to build in-house meaning you don’t have to deal with multiple companies and can contact your dedicated project manager anytime in person, by phone or by email ensuring a smooth and headache-free experience.
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Latest review:
The guys at Aspen were brilliant. Very efficient and really made it a smooth experience. I would highly recommend.
Andrei Musat
Rating: 5 out of 5
Loft Conversion Company in Brentwood
Hi, my name is Andrei Musat and my main trade is PAINTING AND DECORATING .I am also experienced as a PLASTERER, TILER, FLOOR FITTER and KITCHEN FITTER. For any quote feel free to call or text on the number shown above.
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Latest review:
Hard Flooring- 23 Feb 2020
Andrei provides great communication and very professional service. He was very flexible and worked extremely hard to get all the work done in the shortest time possible, but he did not compromise on quality. He worked very efficiently and considering all the work he had to do, he still left the house clean and tidy. The attention to detail was second to none. I’m extremely happy with my new flooring and would definitely recommend.
B&T LINE LTD
Rating: 4.9 out of 5
Loft Conversion Company in Brentwood
B&T LINE LTD is a construction company focusing on property renovation and property refurbishment services to clients in London and surrounding areas. Our workers are skilled and motivated people who act with integrity and are inspired to deliver a customer experience of excellent quality.
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Latest review:
Handyman- 2 Apr 2026
Speedy appointment.Arrived on time. Clean, neat worker, respectful of property. Really professional. Pleased with both jobs completed. Highly recommend.
Matt Burgon
Rating: 5 out of 5
Loft Conversion Company in Brentwood
I am a time served city and guilds carpenter & joiner with over 25 years experience. I have worked in all aspects of construction over the years from major commercial sites to smaller private work. Experienced in Working with and a good understanding of other trades.
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Latest review:
Kitchen Fitting- 17 Oct 2024
We hired matt to do our kitchen diner and bathroom renovation. Matt has done a fantastic job. He’s hardworking, skilled, knowledgable and trustworthy. I would recommend him to anyone looking for a hardworking trustworthy tradesman. We will definitely seek his services again in the future. He has turnt our house into our dream home!
HS Plumbing and heating
Rating: 5 out of 5
Loft Conversion Company in Brentwood
In brief HS Plumbing & Heating provide a full home renovation service from a full and neat Plumbing &Heating ,We also specialise in carpentry &joinery,kitchen fitter open space,loft conversion,glass partition,glass panels for stairs,build up new stairs on site if necessary, doors ect;Also All initial atends for quotation are free,With many successful years in the trade customer satisfaction is assured we guarantee high quality finish job provided.
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Latest review:
Plumbing- 9 Dec 2021
Hysni arrived, early which was good. Diagnosed the problem, fixed it without any hassle and now there has been no drip for a week. All I could ask for! Thank you.
Sams
Rating: 5 out of 5
Loft Conversion Company in Brentwood
Experiences Multi-Trade Builder- 25+ years in Construction . With over two decades of hands on experience in the construction industry, I deliver high quality workmanship across a wide range of trades. My skills cover every aspect of building and property improvement, including: - Plastering & Painting (Flawless finishes and attention to detail) -Tiling & Screeding (Precision work for long lasting, attractive surfaces) - Carpentry (Custom solutions for interiors and exteriors) -Groundwork (Block paving, fencing, and landscaping projects. - General Handyman Services (efficient solutions for any repair, installation or maintenance need. I pride myself on reliability, clear communication, and a strong commitment to customer satisfaction. Whether it's a small repair or full renovation, I bring the same level of care and professionalism to every project.
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Latest review:
Fencing- 2 Apr 2026
Clear communication and used good quality materials for the job. Highly recommended.
Incredible Construction Ltd
Rating: 5 out of 5
Loft Conversion Company in Brentwood
We are a small building company who specialise in Loft conversions, Extensions, Renovations, kitchens, Bathrooms and Carpentry & Joinery. We take great pride in our work and would be very happy to show you previous projects. We can take care of your whole project from start to finish. From drawings, Party wall agreements and building Control. We work with our customers trying to create a happy experience throughout the project.
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Latest review:
Loft Conversion- 18 Oct 2018
Louis completed our loft extension to a high standard. He is very professional, knowledgeable, honest and an alround great guy. A great craftsman & carpenter who is very maticulous with his work. His team were very punctual. They were very good at tidying up after each day. Any problems were always dealt with quickly by Louis who has an excellent attention to detail. A perfectionist. I would not hesitate in recommending Louis for any type of building work.
JIMGOS Maintenance LTD
Rating: 4.4 out of 5
Loft Conversion Company in Brentwood
Jimgos Maintenance Ltd is a London-based property maintenance company delivering reliable, high-quality services across a wide range of trades. We specialise in residential and rental property works, supporting homeowners, landlords, and managing agents with both reactive and planned maintenance. * Gas & heating – boiler installations, servicing, gas safety certificates (CP12), heating system repairs * Plumbing – leak detection, pipework repairs, bathroom installations, drainage solutions * General building & refurbishment – tiling, plastering, painting & decorating, kitchen and bathroom upgrades We understand the importance of compliance, safety, and clear communication, especially when working within tenanted properties. Our team ensures all work is carried out in line with current UK regulations and industry standards.
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Latest review:
Central Heating- 16 Jun 2026
The job was carried out efficiently by Kwizie who was also polite, kind and honest, he spotted the issue straight away as my electric boiler stopped heating up the water. Thank you again kwizie! PS: However, The company is not one of the best, a bit pricey as he did the job only for 1 hr changing only the fuse and checked if was working properly.
Jagdeep Singh
Rating: 5 out of 5
Loft Conversion Company in Brentwood
Hi,contact us for any type of building work
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Latest review:
Extensions- 8 Dec 2023
I recently had the pleasure of accepting Jagdeep on a substantial renovation project. Initially, I was a bit apprehensive as there were no existing reviews to gauge his work. However, after seeing some of his previous projects, I decided to take a leap of faith - and it turned out to be the best decision I've ever made. Jagdeep's approach to our project, which started merely as a rear extension and shower room, was nothing short of exceptional. His remarkable craftsmanship and attention to detail soon convinced me and my wife to extend the scope to a full renovation. Throughout the process, Jagdeep and his team displayed an extraordinary level of skill, professionalism, hard work as well as trust (very rare these days). No task was too challenging, and his willingness to prioritise our needs and provide thoughtful advice was truly comforting. It's rare to find a builder with such dedication and expertise. Jagdeep is undoubtedly one of the best builders I have encountered. My heartfelt thanks to Jagdeep and his team for their outstanding work. Rest assured, for any future projects, he will be the first person I call. Thank you, Jagdeep, for turning our vision into reality, which more than exceeded our expectations!
HMR Builders Ltd
Rating: 5 out of 5
Loft Conversion Company in Brentwood
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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Latest review:
Conversions - General- 9 May 2026
Melvin & his team were amazing. They were always on time & kept the place neat & clean. He finished the work before time & guided us with all council approvals needed. His attitude & attention to detail was amazing. He is very friendly & approachable & helped us with many other things across the house. He is very trustable. We recommend Melvin to everyone & he will be coming back to do more work for us.

Top rated Loft Conversion Companies

Our Loft Conversion Companies in Brentwood, are rated 5 out of 5 based on 4 reviews from customers like you.

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What services are offered by loft conversion companies in Brentwood?

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

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 Brentwood loft conversion company.

Find a loft conversion company in Brentwood 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 Brentwood.

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 Brentwood can view your job and register their interest.

Step 2: Review and compare Brentwood 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 Brentwood 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 Brentwood 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 Brentwood

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 Brentwood?

A local loft conversion company in Brentwood 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 Brentwood 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 Brentwood 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 Brentwood

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 Brentwood before agreeing to start the work.

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

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