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Home Extensions West Yorkshire

A well-built extension can change how a home works day to day. More space, better flow, and a layout that finally makes sense. Done properly, it should feel like it was always part of the house.

RKJ Builders carries out home extensions across Huddersfield and the surrounding areas. We take on extensions that need doing properly, with the right groundwork, the right structure, and a finish that doesn’t feel tacked on six months later.
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Trusted by Leading Building Firms
5 Star Rated on Google
20+ Years Experience

House Extensions Built by Local Builders

Extending a home is about working with what’s already there. Walls, drainage, access, neighbours, weather. It all plays a part. If those things aren’t thought through early, problems show up later.

We carry out house extensions throughout Huddersfield, West Yorkshire, and nearby areas including Leeds, Bradford, Halifax, Sheffield, and Barnsley. A lot of our work comes from people who’ve seen what we’ve built locally and want the same standard on their own home.

Making the New Space Feel Right

The best extensions don’t stand out. They just work. Layouts make sense, ceiling heights feel right, and the join between old and new doesn’t draw attention to itself.

We focus on structure first and finishes second. If the build is sound, everything else follows. Kitchens, living areas, extra rooms. Whatever the space is used for, it should feel like part of the house, not an afterthought.
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Take a Look Around

Our Previous Work

See the quality for yourself. Our portfolio showcases a range of completed projects, from bespoke home extensions and new builds to full property renovations and conversions. Reflecting our commitment to delivering high-standard results that stand the test of time.

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Quality Craftsmanship

Home Extension Huddersfield

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End-to-End Project Management

New Build House Huddersfield

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Our Home Extensions Process

Initial Estimate

We visit the property and talk through what you’re trying to achieve. This is where we look at access, ground conditions, and how the extension will affect the rest of the house. It’s also where we’ll be straight with you if something isn’t practical.

Quotation

Once we know what’s involved, we put a quote together that reflects the job as it will actually be built. No vague wording. No padded allowances. Just a clear breakdown so you know where you stand.

On-Site Build

When work starts, we manage the extension day by day. Trades are coordinated properly, work is checked as it goes, and issues are dealt with early. Being local builders in Huddersfield means we’re on site and involved, not managing the job from a distance.

Final Walkthrough

At the end of the build, we go through the extension with you and check everything has been finished as it should be. Any final adjustments are handled before the job is signed off and handed over.

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Have A Project In Mind?

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Planning a home extension, starting a new build, or need expert advice on your next project? Get in touch with our team today. We’re here to discuss your ideas and provide a no-obligation quote.

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Our Details

Opening Times

Mon – Fri: 08:00 – 17:00
Sat – Sun: Closed

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Get In Touch

Have A Project In Mind?

Planning a home extension, starting a new build, or need expert advice on your next project? Get in touch with our team today. We’re here to discuss your ideas and provide a no-obligation quote.

Get In Touch

Our Details

Opening Times

Mon – Fri: 08:00 – 17:00
Sat – Sun: Closed

Get Directions
Everything You Need in One Place

Our Services

Whether you’re planning a home extension, starting a new build, or transforming unused space, RKJ Builders provides everything you need under one roof. We specialise in extensions, new builds, loft conversions, and basements, offering a complete construction service from design to finish.

Serving homeowners and developers across the Huddersfield & West Yorkshire, we’re your trusted choice for reliable, high-quality building work, done properly, every time.

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Extensions

Add valuable space and transform how you live

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New Builds

Bespoke homes built with precision and pride

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Renovations & Conversions

Transform your property with smart, practical improvements

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Basements

Functional, durable, and beautifully finished spaces

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Bodywork

Alloy Wheel Refurb

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