Describe your job with details to view a tailored list of tradespeople.
Post your job

Extension Builders in Harlesden

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

How it works

Post your job for free

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

Tradespeople respond

Once your job is posted, you’ll get responses from interested tradespeople through the website.

Review profiles and choose

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 Harlesden

3490 Results

Sort by:

  • Extension Builder in Harlesden

    Nick and dave the multi trades doing things getting payed

    Get in touch
  • Extension Builder in Harlesden

    Welcome to Kabilo, where innovation meets craftsmanship. With extensive experience in residential and commercial renovations, we create exceptional spaces that blend style, functionality, and precision. Our team is committed to attention to detail, quality finishes, and delivering outstanding results on every project. We specialise in a range of services - Property Refurbishments: Revitalise tired spaces - Extensions + Conversions: Maximise your property’s potential - High-End Kitchen + Bathroom Suites: Designs that combine luxury with practicality. - Bespoke Carpentry Services: Creating unique media walls, built-in wardrobes, floating beds, and other custom furniture tailored to your needs. At Kabilo, we prioritise exceptional craftsmanship and seamless project management. From initial design to the final touches, we ensure a stress-free experience with clear communication and precision execution. Whether it’s a small-scale renovation or a complete transformation, we deliver stunning spaces designed to inspire and endure. Let Kabilo bring your vision to life.

    Get in touch
  • Extension Builder in Harlesden

    I’m an experienced and reliable bricklayer providing high-quality workmanship across all aspects of brick and masonry work. I take pride in delivering clean, professional results and ensuring every customer is completely satisfied with the finished job. My services include bricklaying for house extensions, garden walls, repairs, and structural alterations, as well as specialist repointing to restore and protect older brickwork. I also carry out damp-related repairs such as replacing damaged bricks, improving pointing, and fixing areas where water penetration has caused issues. Whether it’s building a brand new extension, repairing damaged brickwork, or restoring existing walls, I focus on attention to detail, durability, and a tidy job from start to finish. I’m happy to offer advice, honest quotes, and solutions that suit both your property and your budget. Customer satisfaction is my priority, and I aim to complete every job to a high standard that will last for years to come.

    Get in touch
  • Extension Builder in Harlesden

    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.

    Get in touch
  • Extension Builder in Harlesden

    hi, we are 23 years on building trade and we try to keep our costumers happy with work we do thank you

    Get in touch
  • Extension Builder in Harlesden

    We have been in the construction business for more than 25 years ranging from general building works to new build developments. We have also refurbished large buildings in the London areas on behalf of clients and main contractors.

    Get in touch
  • Extension Builder in Harlesden

    At Brick and Mix Construction, we pride ourselves on delivering top-notch professional craftsmanship, backed by 25 years of experience in the building industry. Our experience spans both commercial site work & residential work.

    Get in touch
  • Extension Builder in Harlesden

    MGA Projects Ltd is a trusted London-based construction company delivering high-quality building services from start to finish. We specialise in extensions, full refurbishments, loft conversions, and structural works including steel installations. With years of hands-on experience, we pride ourselves on reliability, attention to detail, and clear communication throughout every project. Whether it’s a small renovation or a full-scale build, we work closely with our clients to bring their vision to life—on time and within budget.

    Get in touch
  • Extension Builder in Harlesden

    I have over 10 years of experience in the construction industry, working on a wide range of projects from small-scale renovations to high-end developments. My background includes work on extensions, bathroom remodels, loft conversions, large flat conversions, and new build constructions.

    Get in touch
  • Extension Builder in Harlesden

    JIK Construction LTD. Trading from 2013. Our service include extensions, loft conversions.

    Get in touch
  • At Professional Spray Foam Removal Ltd. we specialise in the safe and efficient removal of both closed-cell and open-cell spray foam insulation from lofts. Many properties with spray foam insulation face issues such as poor ventilation, trapped moisture, or problems with mortgage approvals. Our team provides a reliable solution by carefully removing faulty insulation and replacing it with modern, high-performance loft insulation that meets current standards. We pride ourselves on offering a professional service from start to finish. Every project begins with a thorough assessment, followed by safe removal using the right tools and methods to protect your roof structure. Once the spray foam is cleared, we install fresh loft insulation designed to improve energy efficiency, reduce heating bills, and create a healthier living environment. With years of experience in insulation and loft work, we understand the importance of quality workmanship, clear communication, and customer care. Whether you are a homeowner looking to improve your property’s energy rating, or preparing to sell and need old spray foam removed to satisfy surveyors, we can help. Our goal is simple: to provide you with peace of mind, a warmer home, and insulation.

    Get in touch
  • Extension Builder in Harlesden

    We in building industry for last 17 years. We do any carpentry/ joinery works as instalation doors, windows, stares, warddribes etc. Also we do extentions, loft conversion and any refurbishment.

    Get in touch
  • Extension Builder in Harlesden

    We have been trading since 2006 most of our work has been in the west end of London but due to the demand for our high standards of workmanship and professionalism in 2014 we started undertaking jobs in Surrey and surrounding areas. We have an architectural designer if you require planing, building control drawings as well as full design and working drawings. References and a portfolio available on request.

    Get in touch
  • Extension Builder in Harlesden

    Hi I am a builder and I can do all building work like loft, extension, refurbished, kitchen, bathroom, electric, plumbing, painting, skimming, plastering all work undertaken. Thanks

    Get in touch
  • Extension Builder in Harlesden

    Helllo I am a kiwi builder that has moved to London with 10 plus years of experience. I've spent my time building decks/fences to multi-million dollar homes. I am a fully NZ qualified level 4 Carpenter. The capability to do foundations first fix, second fix decks etc. I would be very excited to have the opportunity to take on your project Kind regards Dj Tecktōn Consulting

    Get in touch

4.2

Top rated Extension Builders

Our Extension Builders in Harlesden, are rated 4.2 out of 5 based on 20 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 Harlesden?

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

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

What are the hourly rates of extension builders in Harlesden?

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

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 Harlesden extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your Harlesden home extension project is likely to cost.

Find extension builders in Harlesden with MyBuilder

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

Step 2: Compare different extension builders in Harlesden

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

Step 3: Hire Harlesden extension builders with confidence

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

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

What to ask a Harlesden extension builder before hiring?

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

An extension builder in Harlesden 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 Harlesden 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 Harlesden?

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 Harlesden 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 Harlesden 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 Harlesden

Can an extension builder in Harlesden help with planning permission?

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

Many Harlesden 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 Harlesden help with materials and finishes?

Yes, most extension builders in Harlesden 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.

Other tradespeople in Harlesden

Cities