Extension Builders in St Albans

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 3.1 (11 reviews)

Easily find verified St Albans Extension Builders. Just post your job to get quotes from MyBuilder's Extension Builders in St Albans.

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 extension builders in St Albans

1971 Results

Sort by:

Escape Home and Garden
No reviews yet
Extension Builder in St Albans
Escape is new to my MY Builder, we are a General Builder and Handyman with over 20 years experience. I also love landscape design, anything from a new patio to fencing, brick walls or even a complete new design for your garden, there is no job to small or big. Im a perfectionist who takes pride and responsibilities in his work to a high standard! Im also a qualified FGAS Air conditioning installer. Please have a look at a our pictures and feel free to contact us if you any questions.
Get in touch
MYD Studio London Limited
Rating: 5 out of 5
Extension Builder in St Albans
MYD STUDIO London limited is a Design-Led Architectural and Planning consultancy focusing on New Build ,Extensions, Loft Conversions, Change of use and Flat conversion projects in different Boroughs in London. Whether you are looking to increase the size of your home, make the most of its current size through an internal alteration, or gain planning permission in order to increase its value before selling, we will help you to produce a planning application to meet all of your expectations.
Get in touch
Latest review:
Extensions- 6 Aug 2022
Majid has been great in producing drawings for our rear extension. He's also helped explain the whole build process to us from design, building inspection, and building. We received our drawings in under 10 days from the initial consultation and site visit. Majid was accomodating and was able to visit the site on weekends for the initial consultation. Always a pleasure to deal with and has been easy to reach over the phone or email. Would highly recommend Maji and MYD Studio London to anyone looking for an architect.
Delta Build Services
No reviews yet
Extension Builder in St Albans
collectively have experience of about 10 years, done several complete refurbishments, single and double story extensions, loft conversions. have done a newbuild warehouse from scratch to complete. have good experience of electric, plumbing, and joinery. qualifications for electrics are part P of building regs., 17th edition and Inspection & testing. Electric certificates will be provided through NICEIC.
Get in touch
Thiara
No reviews yet
Extension Builder in St Albans
Be a good gud person and we do all kind of job such as loft extension door bathroom electric plumbing tiling kitchen everything
Get in touch
FSB Company (UK) LTD
Rating: 5 out of 5
Extension Builder in St Albans
FSB is a well-organized contracting company with a team experienced in large-scale development projects with leading UK construction companies. Based primarily in London, we offer a variety of self delivered services, including complete extensions, and conversions, small works, structural alterations, steel work installations, ground work (foundations, drainage, concrete sub and superstructures), hard landscaping and paving and soft landscaping. We manage our sites carefully and have a digital site management tool kit. Our fully managed service connects skilled tradespeople with experienced construction management directly ensuring attention to detail that begins with our Contractors Proposals and continues through to practical completion and aftercare.
Get in touch
Latest review:
Extensions- 17 Nov 2025
Freddie, Kaz and Dan are a great team. I felt they were friendly and professional throughout. Any slight niggles were discussed and solutions found, quickly and professionally. They were respectful and went out of their way to get on with all the neighbours. Over all I would say they are a team of very nice people, who care about what they do and take pride in achieving the result their clients are after.
essex lofts and extensions
No reviews yet
Extension Builder in St Albans
hello i am Aaron writing on behalf of the essex lofts and extensions we are a family run business that that can handle any of your domestic issues or solutions with a solid team of reliable tradesman in any feild. no job is to big or to small as we have electricians plumbers and our construction team ready for anything you desire from plumbing issues to fitting kitchen or patios and extensions don't hesitate to get in contact
Get in touch
Jk home refurbishment
No reviews yet
Extension Builder in St Albans
Loft conversion,Extansions,Bathroom,kitchen, Tilling,Plumbing,Electrical,Brickwork,Plastering Flooring
Get in touch
Starlight Distribution Ltd
No reviews yet
Extension Builder in St Albans
All construction work undertaken, specialising in kitchen extensions, loft conversions and outbuilding/annexes. We aren’t the cheapest quote. The quality of our work, completed in a timely manner makes us outstanding with 80% of our clients repeat customers! We will NEVER: Take your money and run ❌ Leave a job incomplete ❌ Ask for more money than agreed ❌ Be a nuisance and inconvenience ❌ We even bring our own kettle so you don’t have to make us tea!
Get in touch
APNA GROUP UK LIMITED
No reviews yet
Extension Builder in St Albans
We take on variety of projects,small to large. we have been in the building trade for the last 15 years. General builders, loft specialist, roofing, refurbishments of properties.We also specialise in External wall insulation along with keeping your property warm in the current climate.
Get in touch
LADO Construction LTD
No reviews yet
Extension Builder in St Albans
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.
Get in touch
Brickwork
Rating: 5 out of 5
Extension Builder in St Albans
Deep Brickwork provide professional bricklaying services. We doing all types of brick/block work and complete water tight shell including digging, poring concrete, roof work and internal work as well. If you looking for someone to do New build houses, extensions,Outbuild, garages any type of work Feel free to contact us.
Get in touch
Latest review:
Bricklaying- 1 May 2026
I needed a shed done and Ranjit and the team provided a competitive quote and explained everything they would do. They arrived on time for all meetings and when the work started, worked solid every day, completing the work in good time. Shed was built to a good standard and the quality of work was very good. They tried to keep things clean and tidy and once finished left the garden clean of rubble. I would definitely recommend them to anyone looking to build a shed or similar.
Eurocenter-online Ltd
No reviews yet
Extension Builder in St Albans
I wanted to become a construction worker since I was a child and I became one. I like what I do and that's why I do it very professionally to satisfy every client who chooses me.
Get in touch
Samraath Roofing Ltd
No reviews yet
Extension Builder in St Albans
Hi ,my name is kiranjot kaur I’m the director of this company,,,me and my husband do work together..i do all the office and online work and my husband do the loft conversion and all building work…we are 5 team members work together,,and we have 12 years of work experience….we do all the jobs on reasonable prices with good work
Get in touch
F&U Building Construction
Rating: 4.7 out of 5
Extension Builder in St Albans
All aspects of building work covered professionally. Always willing to go the extra mile. Very low prices. * Extensions/ Conversions. * Full kitchen fitting. * Full bathroom fitting. * Painting/ wallpapering. * Chimney removal. * Plastering. * Tiling. * Double glazing/bifolds. * All Diy handyman works Covering Barking, Dagnem, Romford, Ilford, Gant's hill, Leyton, Leytonstone, Walthamstow, Woodford, all areas in East London, please ask.
Get in touch
Latest review:
Carpentry- 10 Oct 2022
Athar and his team did a brilliant job to a very high spec with a good price. I am very happy with work done. Would highly recommend
Sandhu Boyz
No reviews yet
Extension Builder in St Albans
I have a skill of all building work like plumbing electrical flooring painting loft conversion extension new bath work garage etc.
Get in touch
CR LINE LIMITED
No reviews yet
Extension Builder in St Albans
We do all kind of renovations from flooring till top roof.
Get in touch

3.1

Top rated Extension Builders

Our Extension Builders in St Albans, are rated 3.1 out of 5 based on 11 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 types of services are offered by local extension builders in St Albans?

Building an extension is a major milestone for any home. It’s not just about adding extra space, it’s a big step that can transform how you live day to day, opening up new possibilities for comfort, lifestyle, and family needs.

This is why it’s so important to find the right extension builders in St Albans for you. They can help with a variety of tasks and projects, including:

Extending your home with an extra room
Two+ storey extensions
Adding partition walls to create more rooms
Building annexes or external structures

To find the right extension builder near you, simply post your job on MyBuilder. Explain the type of help you’re looking for, and then home extension builders in St Albans who are available and interested can respond to your post.

Browse profiles, read customer reviews and get quotes from your chosen St Albans extension builders, all before you decide who to hire.

What are the hourly rates of extension builders in St Albans?

Before getting started with your extension project, it’s important to have a clear budget in place. On average, extension builders in St Albans will charge between £16 and £42 per hour.

Single-storey rear extensions cost between £20,000 and £60,000 depending on size and finish.
The cost of double-storey extensions, which add more space and value, can range from £100,000 to over £170,000.
Larger wrap-around extensions that combine multiple extension types can range from £40,000 to over £120,000.

The cost of an extension will vary depending on your property. For instance, extending in certain areas may require structural adjustments to ensure stability, which can increase your material and labour costs.

To get an accurate price for your home extension, request detailed quotes from several St Albans extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your St Albans home extension project is likely to cost.

Find extension builders in St Albans with MyBuilder

Hiring the right extension builder in St Albans with MyBuilder couldn’t be easier. Just follow these simple steps:

Step 1: Post your extension project on MyBuilder

Whether you’re planning a single-storey extension, a loft conversion, or adding a new room, post your job on MyBuilder to find local St Albans extension builders. Once your job is live, we’ll share it with home extension builders in St Albans who can express their interest.

Step 2: Compare different extension builders in St Albans

When you start receiving interest, review profiles of local St Albans extension builders, check their previous work, and read real customer reviews. Ask about timelines, materials, and request detailed quotes.

Step 3: Hire St Albans extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in St Albans, compare their experience, guarantees, and costs before choosing who to hire.

You’ll also have confidence knowing that every tradesperson on MyBuilder is verified through several checks, including:

ID verification: When a tradesperson joins MyBuilder, we ask for a valid ID, such as a passport, ID card, or eIDAS certificate.
Company verification: For tradespeople operating under a company, we make sure every tradesperson has a registered business.

Did you know? Our continuous monitoring and complaints process ensures that tradespeople who don’t meet our standards are promptly removed from MyBuilder’s platform.

St Albans extension builders are ready to help. Use MyBuilder today to find the right professional for your home extension.

What to ask a St Albans extension builder before hiring?

Before hiring an extension builder in St Albans or extension building company in St Albans, ask a few key questions to make sure you’re choosing the right professional for your home extension project.

What qualifications and experience do you have as an extension builder in St Albans?

An extension builder in St Albans should have a strong track record with similar projects and relevant building qualifications or trade memberships, such as the Federation of Master Builders (FMB) or TrustMark.

Will my home extension meet all building regulations and planning requirements?

Your St Albans extension builder should ensure the project complies with Building Regulations and, where necessary, handle or assist with planning permissions. Ask how they manage building control inspections and what documentation you’ll receive once the project is complete.

What experience do you have with similar extensions in St Albans?

Ask to see examples of their previous work, or view examples of their work on MyBuilder. Ideally projects similar to yours in scale and design. This helps you assess the St Albans extension builder’s ability to deliver a result that meets your expectations.

How long will the extension take to complete?

Extension project timelines can vary depending on size, complexity, and weather. A typical single-storey extension might take around 8 - 12 weeks. Request a detailed schedule so you know what to expect and when key milestones will be reached.

Do you offer a guarantee for your work? Most St Albans extension builders offer a guarantee or warranty on their work, often between 1 and 10 years depending on the project and materials used. This gives you assurance that any issues will be resolved after completion.

If you still have questions about the professional you are looking to hire, we have a full detailed guide on hiring the right builder here.

FAQ: Common questions about home extensions in St Albans

Can an extension builder in St Albans help with planning permission?

Yes, many extension builders in St Albans can guide you through the planning process. They can help prepare drawings, advise on local requirements, and liaise with your local council to ensure your project meets all necessary regulations.

Can an extension builder in St Albans handle everything from design to construction?

Many St Albans extension builders offer full design-and-build services, managing both the architectural planning and construction stages. Ask your builder whether they can provide a complete package or if you’ll need to hire an architect or designer separately.

Will an extension builder in St Albans help with materials and finishes?

Yes, most extension builders in St Albans can source materials and offer advice on finishes that suit your design and budget. You can also choose to supply certain materials yourself, just make sure this is agreed upon before work starts.