Northaw Home Extensions | Design & Build Specialists

More space, same address in Northaw. Bespoke extensions designed around your family and built to last.
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about us

Why Extend Your Northaw Home

Rather than uprooting the family, more Northaw residents are choosing to extend and stay exactly where they are. 150+ extensions completed to date means our team has seen most of the layouts and quirks that Northaw properties tend to throw up. Over 25 years operating throughout North London and Hertfordshire, we’ve developed a close working knowledge of Northaw’s housing stock. An extension gives you the freedom to design in exactly what your household needs — a larger kitchen-diner, a new bedroom suite, a home office, or extra living space — without the cost of moving. Our understanding of Northaw goes beyond bricks and mortar — we know the planning history, the common objections, and how to avoid them. Our established contacts within planning and building control help smooth the path for Northaw homeowners from application through to sign-off. We hold every Northaw project to the same standard, regardless of size: solid craftsmanship, honest updates, and a process you can follow every step of the way.

Our Services

Your Local One-Stop Construction Team in Northaw

Loft Conversions

We specialize in turning empty attics into bright bedrooms. We handle all structural changes to ensure the new space feels like a natural part of your home.

Renovations & Refurbishments

Update your current rooms and improve the layout. We modernize interiors to make them more comfortable and better suited to your family lifestyle.

Home Extensions

Need more room on the ground floor? We design and build extensions that improve your living space. We manage the full build from foundations to the roof.

Roofing Services

A reliable roof is essential for any home. We provide new installations and repairs using materials that are tested to last against the British weather.

Kitchens & Bathrooms

We install functional kitchens and luxury bathrooms. Whether it is a new en-suite or a kitchen refit, we handle all the plumbing and installation work.

New Builds & Self Builds

Building a new home is straightforward with our team. We keep the project organized and on schedule, ensuring a high quality finish from the ground up.

Years of Experience
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Why choose us

Trusted Construction Partner

Northaw Local Experts

We are a trusted company based in Barnet. Being local ensures we provide fast responses and understand Northaw building rules perfectly.

25+ Years of Experience
With over two decades in the industry, we know how to handle complex builds. Our experience helps us work efficiently and avoid common mistakes.
Fully Managed Projects
We take care of everything for you. Planning, structural work, and final construction are all handled by our team so you have one point of contact.
Workmanship That Lasts
We take pride in our building standards. Every project is completed using quality materials, ensuring a durable result that adds value to your home.

Why Choose Us for Your Northaw Extension

The goal for any Northaw project isn’t just more room, it’s a home that flows better and still looks like it belongs on the street. That balance comes from thorough design planning, close on-site project management, and a genuine commitment to quality at every stage. We begin by listening to what matters most to you, then produce clear, detailed plans showing exactly how the finished extension will look and work. We set clear expectations on logistics and timelines before work starts, and flag anything specific to your Northaw home that might affect the build. Behind every project is a team built for the job: architects who design with intent, engineers who solve problems creatively, and tradespeople who work with precision. Quality materials and strict site safety are non-negotiable, and we take real care to protect your property while work is under way — all backed by full insurance and a written guarantee. We’ve worked with a number of repeat clients in Northaw, families who trusted us again after seeing the results of their first project. Done well, an extension in Northaw improves your day-to-day life and adds genuine value to your property — a return on two fronts.

Our Process

How We Get the Job Done Right

Initial Consultation
We visit your home in St Albans to look at your space. We discuss what you want to achieve and provide an honest assessment of what is possible.
Stage 1
Design and Planning
Our team creates a clear plan for the build. We coordinate the drawings and make sure the design follows all local building and safety regulations.
Stage 2
Structural Construction
Our builders carry out the work with care. We focus on the structural integrity of the build while keeping disruption to your daily routine very low.
Stage 3
Regular Project Updates
We keep you informed with regular updates. You will always know the current status of the project and what the next stages of the construction will be.
Stage 4
Final Quality Check
We perform a final inspection to ensure everything is perfect. Our work is only complete when the new space meets our high standards and your satisfaction.
Stage 5
Our portfolio

Showcasing Our Latest Building Projects in Northaw

View examples of completed loft conversions and residential projects delivered across Northaw, Watford, Hertfordshire, and North London.

FAQ

Frequently Asked Questions

How long does a home extension take?

Most extensions take 3-6 months depending on size and complexity. We provide detailed timelines during planning so you know exactly what to expect.

Yes, we manage the entire planning process. Many extensions fall within permitted development, but we advise on all requirements specific to your property.

Costs vary based on size and specification. We provide detailed, transparent quotes after our free consultation with no hidden costs or surprises.

Absolutely. We carry full professional insurance and have 25+ years delivering high-quality residential extensions across North London and Hertfordshire.

Yes, we’re based in Barnet and serve Northaw and surrounding areas. We have extensive experience with local properties and planning. Contact us to discuss your project.