Extension Builders in Harrow, Greater London

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 3.9 (16 reviews)

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Some of our top rated extension builders in Harrow, Greater London

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Property Maintenance Services
Rating: 5 out of 5
Extension Builder in Harrow, Greater London
I’m a Handyman with many years experience in flat pack assembly, shelves installation, hanging pictures etc, plumbing tasks such as faucet installation & sealant application & more. Tv & audio equipment mounting & painting & decorating including wallpapering. I’m a bit of a perfectionist so be rest assured you’re in capable hands. I would describe myself as friendly, approachable & always happy to help.
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Latest review:
Handyman- 29 Jun 2022
High standard of workmanship, I was very pleased with the results. Very patient with children, as I have two girls who were eager to play with the dollhouse. Great communication and good pricing.
Roman Pop
No reviews yet
Extension Builder in Harrow, Greater London
We have over 20years experience in construction.
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SPS GAS SERVICES LTD
No reviews yet
Extension Builder in Harrow, Greater London
At SPS Design and Build, we don’t just construct buildings — we bring your vision to life with skill, precision, and professionalism. As a trusted build company, we manage projects of all sizes, from complex renovations to full-scale new builds. What sets us apart is our commitment to quality, safety, and client satisfaction. We are fully Electrically Certified and Gas Safe Registered, ensuring that all electrical and gas work is completed to the highest industry standards. Whether you're planning a new home, a commercial space, or a full property transformation, SPS Design and Build delivers reliable, end-to-end construction services with a focus on craftsmanship, compliance, and lasting results. Built right. Built safe. Built to last.
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Architronica Limited
No reviews yet
Extension Builder in Harrow, Greater London
Welcome to Architronica Limited, a leading design and build company dedicated to transforming visions into reality. With a legacy of excellence and a commitment to quality, we have been serving clients across United Kingdom for many years, delivering projects that stand as a testament to our craftsmanship, innovation, and integrity.
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Elevate hill Linited
No reviews yet
Extension Builder in Harrow, Greater London
Professional builders with 15 years of experience as a sole traders, in building and refurbishment trade. Our teams of trusted and competent staff, providing high-quality workmanship from skilled builders within the London region Recently formed a company to trade and expand the business.
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Kash Builderz
No reviews yet
Extension Builder in Harrow, Greater London
Hi there! I am Ankit, your go-to painter for stunning, high-quality finishes every time. If you're looking for a painter who is reliable, detail-oriented, and always on time, you've found the right person! Whether you're updating a single room or transforming your entire space, I bring professionalism, skill, and a passion for perfecting every project. Here’s what you can expect when you work with me: On-Time, Every Time: Your time is valuable, and I’m always punctual. Flawless Finishes: I use top-notch materials and techniques to ensure a smooth, lasting finish. Clean & Efficient: I respect your space, keeping everything tidy and minimizing any disruption. Let’s make your home look amazing with a fresh coat of paint that you’ll love for years to come. Ready to get started? Contact me for a quote and let’s bring your vision to life! Looking forward to working with you!
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House Renovation Services London LTD
No reviews yet
Extension Builder in Harrow, Greater London
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.
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mink construction ltd
Rating: 3.5 out of 5
Extension Builder in Harrow, Greater London
We offer a range of services that will suit most of your essential building and construction needs We work together as a team a highly qualified and professional construction outfit We can help you with design of all projects from small bathroom to new build house We offer: Loft conversion House extensions Flat roof Pitch roof New builds Home renovation Heating and plumbing Brickwork Electrical work Plastering Kitchen and bathroom
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Latest review:
Kitchen Fitting- 8 Sep 2021
Great guys, very happy with the job!
Victor
No reviews yet
Extension Builder in Harrow, Greater London
I am a highly skilled and adaptable construction worker with more than 15 years of experience in the industry.I have experience in all areas like extensions in homes and industrial buildings,loft conversions,roofing,plastering,demolition etc.
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Sandhu roofing ltd
No reviews yet
Extension Builder in Harrow, Greater London
Dear customer, We are Sandhu roofing , a full-service roofing firm dedicated to providing our clients with proper satisfaction and good project services
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artour keri
No reviews yet
Extension Builder in Harrow, Greater London
I am a general builder with over 30 years experience in the field 24 of those have been in greece where early in my career i specialised in large projects such as building hotels, petrol stations from the ground up but later gained knowledge in all sort of works. I have been in the UK for 6 years and have done, loft conversions, extensions, renovations and much more. I would describe myself as a perfectionist with great attention to detail and i find pride in my work
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GURPREET SINGH
No reviews yet
Extension Builder in Harrow, Greater London
Professional bathroom tiling. Laminate flooring. Bathroom installation and second fix. Other diy plumbing and small extension jobs.
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SATNAM SINGH
New on MyBuilder
Extension Builder in Harrow, Greater London
Bathroom renovation, kitchen fittings, tile work, Doors, Driveways any type of construction works are undertaken
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Dominant construction ltd
No reviews yet
Extension Builder in Harrow, Greater London
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.
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The Construction Collective
No reviews yet
Extension Builder in Harrow, Greater London
The Construction Collective ltd provides a seamless, end-to-end building service for homeowners across Barnet and North London. We specialise in fully managed construction, taking your project from the initial design phase all the way through to final completion. Our team is dedicated to exceptional craftsmanship and precision in every build, whether it's a residential home or a commercial space. With our Fixed Pricing guarantee, you can start your project with confidence, knowing there are no hidden surprises or budget creeps. We handle the management so you can enjoy the transformation of your spacehttps: theconstructioncollective.co.
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M&M Building
Rating: 4.5 out of 5
Extension Builder in Harrow, Greater London
Bathroom and Kitchen renovation, floor and wall tilling, wooden floor, kitchen and bathroom plumbing, painting, wood renovation
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Latest review:
Bathroom Fitting- 19 Jan 2021
Efficient, good service. Work not carried out due to job being bigger than expected but good advice given. Will reschedule.

3.9

Top rated Extension Builders

Our Extension Builders in Harrow, Greater London, are rated 3.9 out of 5 based on 16 reviews from customers like you.

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What types of services are offered by local extension builders in Harrow, Greater London?

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 Harrow, Greater London 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 Harrow, Greater London who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Harrow, Greater London?

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

Find extension builders in Harrow, Greater London with MyBuilder

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

Step 2: Compare different extension builders in Harrow, Greater London

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

Step 3: Hire Harrow, Greater London extension builders with confidence

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

Harrow, Greater London extension builders are ready to help. Use MyBuilder today to find the right professional for your home extension.

What to ask a Harrow, Greater London extension builder before hiring?

Before hiring an extension builder in Harrow, Greater London or extension building company in Harrow, Greater London, 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 Harrow, Greater London?

An extension builder in Harrow, Greater London 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 Harrow, Greater London 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 Harrow, Greater London?

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 Harrow, Greater London 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 Harrow, Greater London 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 Harrow, Greater London

Can an extension builder in Harrow, Greater London help with planning permission?

Yes, many extension builders in Harrow, Greater London 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 Harrow, Greater London handle everything from design to construction?

Many Harrow, Greater London 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 Harrow, Greater London help with materials and finishes?

Yes, most extension builders in Harrow, Greater London 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.