Extension Builders in Harrow, Greater London

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 3.9 (15 reviews)

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

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Goodman Global Ltd
No reviews yet
Extension Builder in Harrow, Greater London
Please see the photos of works carried out by us. Our latest on going project as of 13/08/2021 is a throughout painting and refurbishment works of a 70 Bed nursing home in Chelmsford for our client Trust Care management in collaboration of NHS) Our lastest completed jobs: BEIRUT NIGHTS restaurant and sheesha bar at 187 Brent Crescent, Park Royal - see photos Also, completed in July 2021: EMAN - nail bar/beauty saloon at 4 Hermitage Parade, Ascot - see photos. Domestic projects are welcome.
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Darragh Tierney Contracts LTD
No reviews yet
Extension Builder in Harrow, Greater London
DTC is a trusted residential construction company specialising in home extensions, renovations, loft conversions, and new builds. We deliver true workmanship and solutions tailored to help you create the home you want
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Klodi
No reviews yet
Extension Builder in Harrow, Greater London
I do renovations, kitchen and bathrooms, flooring, tiling and every preparation that goes with them,,, Knowing that quality of my work was the reason I felt complete in the end of the day I started working on my own. New here, and ready to give what I am capable to do to every homeowner !
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BuildPro
No reviews yet
Extension Builder in Harrow, Greater London
🔨 Expert Loft Conversions, Wall Insulation & Kitchen Fitting 🔨 🏡 Transforming Spaces, Enhancing Homes 🏡 ✅ Loft Conversions – Maximize Your Space ✅ Wall Insulation – Stay Warm, Save Energy ✅ Kitchen Fitting – Stylish & Functional Designs
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M&D BUSHATI BUILDERS LTD
No reviews yet
Extension Builder in Harrow, Greater London
We do general builder jobs, We are respectful, serious and professional.
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UNIQUE ROOFING AND RENOVATIONS LTD
No reviews yet
Extension Builder in Harrow, Greater London
Been doing construction for over 25 years. Work includes starting from foundation up to building a house, we do it all, you just name it.
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Master Builders Developments Ltd
Rating: 4.6 out of 5
Extension Builder in Harrow, Greater London
Newly Joined My Builder, We are a established Building firm specialising in Extensions, Loft Conversions and Refurbishments, we undertake commercial projects along with substantial size constructions. Our team over all elements of construction.
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Latest review:
Roofing (Pitched)- 26 Sep 2024
Keep this company as first choice for ur building work.
Delta Electrical Solutions Ltd
Rating: 5 out of 5
Extension Builder in Harrow, Greater London
My work consists: . ALL ELECTRICAL AND FIRE ALARM INSTALLATIONS. . NICEIC DOMESTIC AND APPROVED CONTRACTOR. . FULL REFURBISHMENT . EXTENSIONS AND LOFT CONVERSIONS. If your looking for a reliable hard working and fully qualified team of builders look no further then Delta Electrical Solutions Ltd.
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Latest review:
Electrical- 10 Oct 2018
Glorian was super speedy fitting spotlights in my living room and kitchen. He was very tidy and did a great job all round.
NIHAL BUILDER LTD
No reviews yet
Extension Builder in Harrow, Greater London
We have experience more than 5 years and do lot of type of work as loft and extension, guttering, building new home, refurbishing etc.
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Amanpreet singh
No reviews yet
Extension Builder in Harrow, Greater London
Experienced bricklayer skilled in constructing and repairing walls, foundations, and structures using bricks, blocks, and stone. Responsible for reading drawings, preparing mortar, and laying materials accurately while maintaining high standards of workmanship and site safety.
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Building&Maintaining
No reviews yet
Extension Builder in Harrow, Greater London
All types of groundworks, plus repairing,painting and decorating properties.
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Joseph
No reviews yet
Extension Builder in Harrow, Greater London
Long experience in Loft conversions and Kitchen extensions. References can be provided, completed jobs or active ones can be visited. I have done many projects as subcontractor and directly from clients. Looking forward for new challenge! Free quotes!!!
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Rightmove Construction Ltd
Rating: 5 out of 5
Extension Builder in Harrow, Greater London
As you will see our bespoke work talks for itself we specialise in bathrooms and design this is our passion. We also do building work such as Extensions , Loft Conversions, and Kitchen Installations. We strive to give the best customer satisfaction. With good punctually ensuring that sites are clean and tidy our work ethic means our customers experience minimal disruption and a seamless transition with our expertise many thanks Rightmove Construction LTD
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Latest review:
Tiling- 11 Nov 2023
Bally was on time and efficient throughout the work he did for me. The initial ask was to retile a bathroom but ended up saving me money by completing some carpentry work as well.Delivered the work to a high standard, would definitely use his services again and recommend to anyone looking for a friendly, quality builder.
Kalafuldeco
Rating: 5 out of 5
Extension Builder in Harrow, Greater London
❌ We Turn Houses Into Kalaful Homes ❌ 350+ REVIEWS / 5 STAR RATING X⭕️X - WE'LL MATCH ANY REASONABLE QUOTES - X⭕️X Hi, This is Cristina in The Office. We Specialise in Flooring / Painting Int / Ext Building Services - Kitchens / Bathrooms / Lofts / Extensions.etc +£25 Each - Plane / Trimming Doors if required +Removal £50 - £75 Each Room + Disposal £100 - £300 If Required FLOORING ESTIMATES / WE ALSO DO PAINTING Fitting Beading / Scotia is Free, Inc in the Job Fitting Skirting is Min £200+ / Hallway Min £250+ Kitchen / Bathroom Min £200+ Laminate / Lvt Click ( Sub Floor Must be Reasonablly Level ) Straight Runs - £20m2 / Inc Hallways £25m2+ MIN £100 UPTO 5m2 Engineered Click Straight Runs - £25m2 / Inc Hallways £30m2+ MIN £150 UPTO 5m2 Hardwood T&G / Tongue & Groove Straight Runs - £30m2 / Inc Hallways £35m2+ MIN £200 UPTO 5m2 Herringbone - £40 - £45m2+ Cash Deals + 20% on Bank Transfer or if Invoice is Required - Payments To be Made End Of Each Day ❌ Must be Able to Provide Off Street Parking / Permits as The Crew Needs Access to The Vehicle at all Times. Thanking you in Advance Christina & Kam @ Kalaful Deco PAINTING ESTIMATES PAINTING ONLY - NO WALLPAPERING We also do Flooring / Gardening / Man & Van + Handyman Jobs Single Room - £300 Inc Minor Filling & Sanding / All White ) + £75 / 2 Colours / Woodwork £50+ £150 Extra To Paint on Fresh Plaster Living / Double Room - £400 Inc Minor Filling & Sanding / All White + £75 / 2 Colours / Woodwork £50+ Hallways- £450 - £750 Inc Working around 4-8 Doors Thanking you in Advance Christina & Kam @ Kalaful Deco
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Latest review:
Hard Flooring- 28 Jun 2026
Excellent, great advice and hard worker. Assisted all day and gave me good knowledge on laying the floor. He did a great job and a happy worker. Loves his job.
Hsingh builders ltd
No reviews yet
Extension Builder in Harrow, Greater London
I am professional builder with an experience of 17 years in the building industry and track record of successful projects . I am committed to deliver high standard of quality work which is completed on agreed time scale within the given budget. Starting from beginning till end, customers satisfaction is my priority , which is why I am able to turn visions into reality. You can really on us as our core values are- strong foundations, beautiful designs and lasting value. My vision as a builder is to build the dream house for my customers, so you can trust us in bringing architectural visions to life. You can rely us on as we do cater the needs of our customers, provide attention to every aspect and complete the work to high standards. We do discuss each step of the work with the customer and build a long lasting relationship with customers.
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Delcio
No reviews yet
Extension Builder in Harrow, Greater London
From small handyman jobs to building large extensions and houses refurbishment. specialise in all types of work. Portuguese company, just start a new bussiness…the work is done like it was for me!! I am a father of 5 children and I do everything with the best for everyone in mind. Look forward to hearing from you. Thanks
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3.9

Top rated Extension Builders

Our Extension Builders in Harrow, Greater London, are rated 3.9 out of 5 based on 15 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.