Extension Builders in Watford

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 3.6 (12 reviews)

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Some of our top rated extension builders in Watford

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Mandeep
No reviews yet
Extension Builder in Watford
Hi I’m professional builder. Specialist in all type of building work
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grantconstruction0
New on MyBuilder
Extension Builder in Watford
The construction company carries out and performs a full range of complex interior finishing works, general contracting for the repair and reconstruction of buildings and premises in commercial areas. The main direction in which the company operates is commercial real estate: shopping, entertainment and office centers, factories, hotels, logistics complexes and scattered throughout London will undertake any repair and restoration work. We use only high-quality materials and tools to ensure the highest quality of work, in addition, we always adhere to the agreed deadlines and budget, which allows our clients to be confident that the repair work will be completed on time and without unnecessary costs
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Strongwell Construction LTD
No reviews yet
Extension Builder in Watford
We are an experienced family-run construction team specialising in extensions, renovations, and new builds. With years of hands-on expertise, we pride ourselves on delivering high-quality workmanship, attention to detail, and excellent customer service. From the first consultation to the final touches, we work closely with our clients to ensure every project is completed on time, on budget, and to the highest standards. No job is too big or too small — your satisfaction is our top priority.
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Sonic Building Supplies Ltd
No reviews yet
Extension Builder in Watford
At Sonic, we provide expert construction, plumbing, electrical and heating services for residential and commercial clients. With years of hands-on experience and a commitment to quality workmanship, our licensed technicians deliver reliable solutions—from routine maintenance and emergency repairs to full system installations. Whether you're dealing with a leaky pipe, faulty wiring, or a broken boiler, we’re here to help 24/7. Serving London, Surrey, Sussex, Hampshire, Berkshire, and surrounding areas, we pride ourselves on prompt service, transparent pricing, and customer satisfaction.
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Eridion
No reviews yet
Extension Builder in Watford
General builder, I've worked in lofts, extensions and refurbishing
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BEAM Construction Ltd
No reviews yet
Extension Builder in Watford
Established building company branching out to domestic housing and small businesses alongside large commercial properties. We have worked on major projects within the aviation and public sector and now building a small works team to give a fair and competitive service. Most of our trades are timed served with over 30 years + in their respective trades.
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Golden kye uk construction
No reviews yet
Extension Builder in Watford
A construction company, reconstruction, repair and maintenance
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G n r design and build ltd
No reviews yet
Extension Builder in Watford
we have 14 years experience, All building work undertaken, loft conversion, extension, plaster,plumbing,electrical,painting,decorating,carpentery, joinery, flooring, tiling,roofing, brickwork, ground work
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CAPITAL SERVICES GROUP LTD
No reviews yet
Extension Builder in Watford
We are Construction company based in London & the Home Counties. We have a large portfolio of esteemed clients & are registered with Safer Contractor to assure of quality of work. Contact us today.
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Bricklayer
Rating: 5 out of 5
Extension Builder in Watford
We carry out all types of building work to a very high standard. We pride ourselves on our friendly team and can do attitude. We will treat your home Like ours and make every effort to you updated before, during and after the works. We are extremely hard working and always give 100% on each job we undertake.
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Latest review:
Driveways (Paved & Loose)- 17 Apr 2021
Dorel was a very pleasant person .He arrived on time and did a brilliant job . He finished earlier than expected and reduced the agreed quote which I haven't had from anyone else I've hired . I highly recommend Dorel .
Bespoke Dwellings Limited
No reviews yet
Extension Builder in Watford
I’m builder with 15 years of experience in trade and we provide BESPOKE building services. We do all sort of home renovation, house extensions and complete remodel in house designs. References are available and previously finished recent jobs can be viewed.
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ANM Efficient Solutions
Rating: 4.9 out of 5
Extension Builder in Watford
Hello, Welcome to ANM Efficient Solutions profile– Expert Carpentry & Joinery Services At ANM Efficient Solutions we specialise in high-quality woodworking and carpentry services, offering expert craftsmanship in: ✔ Kitchen Fitting – Precision installations tailored to your space and style. ✔ Door Installation – Interior and exterior doors fitted with accuracy. ✔ Floor Installation – Hardwood, laminate, and engineered flooring for a perfect finish. ✔ Custom Woodworking – Bespoke carpentry solutions for homes and businesses. ✔ Framing & Structural Work – Strong, reliable framing for new builds and renovations. ✔ Roof Shell Construction – Expertly built roof structures for durability and safety. With years of experience, a keen eye for detail, and a commitment to customer satisfaction, we ensure every project is completed to the highest standard. Whether you’re renovating your home, upgrading your business, or building from the ground up, ANM Efficient Solutions is your trusted partner in carpentry. Regards ANM Team
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Latest review:
Carpentry- 23 Jun 2026
Alina, Max and the team have been amazing. Gave a great price, turned up and began working immediately. Quality is fantastic, so much so we have asked them to complete additional works. They arrive on time, work hard all day and left the house and garden in a clean presentable manner. 100% recommend them, multi skilled, polite, and reliable team that deliver quality work at reasonable rates. Will use them again and have already recommended them to friends and family
Toni
No reviews yet
Extension Builder in Watford
We are a London-based construction company delivering high-quality building solutions across the capital and beyond. Specialising in residential and commercial projects, we provide reliable, end-to-end services—from planning and groundwork to final completion. Our focus is simple: quality workmanship, clear communication, and projects delivered on time and within budget. While we are proudly based in London, we also undertake projects across the UK, bringing the same level of professionalism and attention to detail wherever we work. Whether you’re planning a new build, renovation, or extension, we work closely with you to turn your vision into reality.
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RG construction
No reviews yet
Extension Builder in Watford
I build new house, Extension, Kitchen fittings, Fence, Flooring work, Paint and decoration, Garden work
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ABL Building & plumbing solutions
Rating: 5 out of 5
Extension Builder in Watford
We are a family run business, take pride in our work we carry out. We cover all aspects of building works from hanging a door to a complete new build house.
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Latest review:
Plumbing- 28 Jun 2023
Alan was a total professional, clean and tidy, fabulous job, will use him again and recommend him to everyone I know. Top professional.
Curly Sister Limited
Rating: 5 out of 5
Extension Builder in Watford
Architectural, Refurbishment, kitchen installation, bathroom installation, wardrobe installation, carpentry, electrical, plumbing, landscaping, ongoing maintenance
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Latest review:
Handyman- 4 Jun 2021
Hired FineUnDandy Developments to get garden shed repositioned and they did an excellent job..reasonable quote and work promptly carried out..no fuss..overall a very positive experience.

3.6

Top rated Extension Builders

Our Extension Builders in Watford, are rated 3.6 out of 5 based on 12 reviews from customers like you.

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What types of services are offered by local extension builders in Watford?

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 Watford 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 Watford who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Watford?

Before getting started with your extension project, it’s important to have a clear budget in place. On average, extension builders in Watford 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 Watford extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your Watford home extension project is likely to cost.

Find extension builders in Watford with MyBuilder

Hiring the right extension builder in Watford 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 Watford extension builders. Once your job is live, we’ll share it with home extension builders in Watford who can express their interest.

Step 2: Compare different extension builders in Watford

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

Step 3: Hire Watford extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in Watford, 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.

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

What to ask a Watford extension builder before hiring?

Before hiring an extension builder in Watford or extension building company in Watford, 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 Watford?

An extension builder in Watford 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 Watford 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 Watford?

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 Watford 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 Watford 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 Watford

Can an extension builder in Watford help with planning permission?

Yes, many extension builders in Watford 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 Watford handle everything from design to construction?

Many Watford 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 Watford help with materials and finishes?

Yes, most extension builders in Watford 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.