Loft Conversion Companies in St Albans

Name: Loft Conversion Company
Brand: MyBuilder
SKU: loft-conversion-company
Rating: 4 (7 reviews)

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Some of our top rated loft conversion companies in St Albans

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Artistic design & construction LTD
Rating: 5 out of 5
Loft Conversion Company in St Albans
Hi, we are a construction company with many years of experiance. We are a team of professionals, very reliable and delivering projects in good timeframes . We build new houses, house extensions, loft conversions, refurbishments, driveways and patios, landscaping and garden design. We value our customers, always keeping to deadlines and completing projects to a high standard.we provide references on all our projects .Please check our profil photos and we can organise property visits
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Latest review:
Conversions - General- 16 Mar 2025
Amazing work. John and his team was very professional and the work was to a great standard. High recommend
p&d building services
Rating: 5 out of 5
Loft Conversion Company in St Albans
We are a professional Building Company,specialising in house extensions, loft conversions,refurbishments,new builds,etc.With over 18 years of working experience in UK,we have gained a good name through hard work,professionally done and a good working relationship with our customers.
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Latest review:
Roofing (Pitched)- 11 Jun 2015
Paul has done a good job quickly with reasonable price.
Flessas brothers
Rating: 5 out of 5
Loft Conversion Company in St Albans
Good operator
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Latest review:
Carpentry- 19 Jul 2023
Very efficient would recommend
SAS Carpentry
Rating: 5 out of 5
Loft Conversion Company in St Albans
Complete building service Extension, Conversions and full refurbisment service supplied. Covering all trade services. Groundworks Bricklaying Gas registerd plumbing service Niceic Electrical service Carpentry 1st,2nd fix works Plastering Kitchen,bathroom and bedrooms supplied and fitted Full decorating service Floor and wall tiling All work completed to the highest standards by competent time served tradesman.
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Latest review:
Carpentry- 20 Nov 2019
Great service, will definitely use again!
BUILD ON TIME LTD
Rating: 4.9 out of 5
Loft Conversion Company in St Albans
BuildOnTime LTD is a family business and one of the fastest growing building companies in London.We have over 20 years of experience in all types of building and construction works.Our team is structured from highly qualified, friendly and ambitious workers.We are your builders in North London.
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Latest review:
Restoration & Refurbishment- 13 Jun 2025
The job is progressing well, to schedule and budget. Project planning, communication and quality of workmanship is all exemplary. Build on Time are a pleasure to work with and I would highly recommend them and I would certainly use them in future projects. This job is a garage conversion, new kitchen and the creation of a new laundry room where advice has been needed it has been excellent.
KW Electrical Services
Rating: 5 out of 5
Loft Conversion Company in St Albans
Hi my name is Kevin and I have been an electrician since 2002. I run a small electrical business called KW Electrical. I am a Which Trusted Trader, Hertfordshire County Council Approved, Part P Registered, over 150 reviews on Checkatrade and all round nice guy. I look forward to quoting competitively on your job.
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Latest review:
Kevin did the electrical work in my extension. He fitted new plug sockets, aerial socket and sky socket, also LED ceiling lights and outdoor PIR light. Kevin was very professional, polite and reliable. He worked efficiently and was tidy. He was also very helpful and explained things clearly to me. I have recommended Kevin to a friend and I will be using him again next year.
Paul Cusack
Rating: 4.9 out of 5
Loft Conversion Company in St Albans
Carpenter.20 years experience. 1st and 2nd fix, roofing, kitchen fitting. All carpentry works.
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Latest review:
Carpentry- 7 Mar 2021
Great service and value for money. We commissioned Paul to build a garden office. The job was completed in less time than originally expected and the quality of the workmanship was excellent. I have no hesitation in recommending Paul and we have already passed his details on to a neighbour who wants a garden studio built. We will also hopefully be using Paul's services again in the future on a loft conversion.
Leni Muca Builder
Rating: 5 out of 5
Loft Conversion Company in St Albans
My name is Leni I have 8 years experience on home improvements. Kitchens, Bathrooms, tiling, flooring, carpentry, electrical, plumbing, handyman. I guarantee a professional work to be done. My priority is to make clients happy with the work I do. I promise you will not be disappointed from Leni Muca Builder. Thank you.
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Latest review:
Bathroom Fitting- 3 Dec 2020
10/10, would recommend to anyone. High quality of work, very helpful and punctual.
Stonyprojects Ltd
Rating: 5 out of 5
Loft Conversion Company in St Albans
Founded with a vision to revolutionise professional customer service within the construction industry. Stony projects Ltd leverages over 20 years of experience working in project and commercial management. Our team has collaborated with leading house builders in th U.K. on prestigious developments and commercial projects, while also providing comprehensive construction services to domestic clients, including new builds refurbishments and general repairs Our mission At stony projects Ltd, our mission is to deliver exceptional service and expertise to both domestic clients and construction professionals. We are committed to upholding our core values of outstanding customer service and the highest quality in all our endeavours. Our services We offer a full suite of services Quantity surveying and estimating - tailored services for construction professionals Comprehensive construction services From conception to completion for domestic and commercial clients, covering new builds, renovations, repairs and restructuring. Commitment to excellence We strive to provide our clients with security, peace of mind, transparency and economic value ensuring a level of excellence in every project we undertake
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Latest review:
Had a great experience with stonyprojects their work was to a great standard, they were very helpful and easy to get hold of whenever needed. Would 100% recommend
Top floor conversions
Rating: 5 out of 5
Loft Conversion Company in St Albans
Top Floor Conversions are a company that specialise in loft conversions, but also extensions and kitchen refurbishments. From start to finish we structure our relationship with our clients on firm trust and complete understanding. We have the knowledge and experience to turn your housing plans and dreams in to reality. Our team are always punctual, polite and ready to deliver your building work to the highest standard.
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Latest review:
Loft Conversion- 6 Oct 2018
Stuart at top floor conversions did a fantastic job at fitting a new loft hatch complete with ladder, light, moving our landing ceiling light, and boarding the attic floor. They were very professional, nothing was too much trouble - even with our very wonky house(!). They did a fantastic job clearing and cleaning after, and installing the new hatch and ladder. They did all the work within the day - big thanks to both of you! I could not recommend them enough!
Grand Improvements Ltd
Rating: 5 out of 5
Loft Conversion Company in St Albans
My business partner Jake and I have been in the building trade for over 15 years. We undertake projects of all sizes, giving professional advice to meet your renovation needs. Our customers are aways highly satisfied, which intern leads to repeat business. The Grand Improvements team are polite, tidy, efficient, and take pride in completing every job to a high standard.
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Latest review:
Plastering- 24 Aug 2020
Byron replied to a job quickly, quote was what we have expected and he accomodated specific date we needed this done by. Communication from the beginning until the end was great, he explained everything clearly, advised day before what time will they be arriving and arrived in time. Did a fantastic job plastering living room ceiling and cleaned up the floor afterwards as well. Very pleased and will definitelly be employing again for any future jobs. Thank you!
Clint Cumber
Rating: 5 out of 5
Loft Conversion Company in St Albans
I'm new to my builder but I am a seasoned builder with 25 years of experience. I take pride in all that I build and have many references. I specialise in loft conversions and extensions but I also undertake smaller and larger projects including new build homes. I cover all trades used within a property, I have photos of previous projects that I can send over at any time along with a contact for client in question.
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Latest review:
Clint and his team built a loft conversion for me, they were all very pleasant showed me the work at different stages which kept my nerves down. They were clean and tidy, I don’t know much about building but the finish was extremely good. They were always on time and I would highly recommend them to anyone.
P W Wall and Son Construction
Rating: 5 out of 5
Loft Conversion Company in St Albans
We are a family run construction business that typically take on projects such as new builds, extensions, refurbishments, conversions, landscaping and roofing. We will take on any job from small garden walls or patios to New build developments. The business was established in 1985 and has built a good reputation in and around Hertfordshire. We take on both domestic and commercial projects and cover areas in Hertfordshire and surrounding counties including London.
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Latest review:
Loft Conversion- 28 Dec 2020
The work has now completed and I am delighted with the end result. PW Wall and son were very professional throughout. Their work was of the highest standard. They put right previous wrongs going above and beyond what was initially expected. They demonstrated real pride in their work. They kept me up to date throughout the build. I would not hesitate to hire them again for any future projects and would feel 100% comfortable recommending their services to family and friends.
Brooks Carr-pentry
Rating: 4.8 out of 5
Loft Conversion Company in St Albans
Specialise in Loft Conversions and extensions. Skilled carpenter in both first and second fix. Including hanging doors, skirting architrave.
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Latest review:
Carpentry- 30 Nov 2020
Great work, efficient and willing to adapt.
SS Carpentry
Rating: 5 out of 5
Loft Conversion Company in St Albans
I have done jobs from shelving to roofing.I have a good job knowledge and I have ran big site. I have been a carpenter for 6 year and normally do first fix work but I can do second fix , kitchen fixing and plasterboard. I have all the tools to do the jobs with.
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Latest review:
Carpentry- 28 Aug 2018
Steve is punctual, easy to work with, hard working with all the skills, knowledge and experience to efficiently produce a successful result- replacing old floorboards and removing squeaks in steps- recommended and known from this job alone.
P C Bondea Limited
Rating: 4.7 out of 5
Loft Conversion Company in St Albans
I'm very punctual, reliable and sociable. Attention is paid to every detail. I always treat customers with respect, and my moto is: If a job is worth doing, it is worth doing properly. Everything is left clean and tidy. My focus is on ensuring a quality job and making the customer happy.
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Latest review:
Carpentry- 19 Oct 2015
Paul came to repair the wardrobe doors. He did an excellent job, very accurate and professional, arriving on time and communicating well. Without asking he also changed the screws in wardrobe to make it more strong. Highly recommended.

Top rated Loft Conversion Companies

Our Loft Conversion Companies in St Albans, are rated 4 out of 5 based on 7 reviews from customers like you.

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What services are offered by loft conversion companies in St Albans?

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

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 St Albans loft conversion company.

Find a loft conversion company in St Albans 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 St Albans.

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 St Albans can view your job and register their interest.

Step 2: Review and compare St Albans 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 St Albans 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 St Albans 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 St Albans

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 St Albans?

A local loft conversion company in St Albans 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 St Albans 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 St Albans 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 St Albans

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 St Albans before agreeing to start the work.

Do I need planning permission for a loft conversion in St Albans?

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