ATJ Building & Groundworks

At ATJ Builders, we pride ourselves on delivering high-quality building services with integrity and professionalism. Our family-run business offers expert advice and meticulous craftsmanship for every project, whether it involves new builds, extensions, loft conversions, or structural alterations. We provide tailored solutions, ensuring projects are completed on time and to budget while maintaining the highest standards of workmanship. Clients benefit from personalised consultations, comprehensive design, and planning support. Our experienced team oversees all work directly, guaranteeing reliability and superior results for your home improvements.

As a trusted provider of commercial building services, we deliver professional and dependable solutions tailored to each clients requirements. Our team manages a broad spectrum of projects, from maintenance and adaptations to full-scale renovations, ensuring meticulous attention to detail. Centrally located in Northampton, we are equipped to serve clients across the UK, maintaining high standards of workmanship and client satisfaction throughout every assignment.

At ATJ Building & Groundworks, we provide a comprehensive design and build service, ensuring your project is realised efficiently and professionally. Our team delivers CAD-based designs for planning and building regulations, giving you a clear visualisation of your extension. With 25 years of experience, we liaise closely with local authorities to smooth the approval process and manage every stage with expert supervision.

We operate throughout Northamptonshire and the UK for commercial projects, covering locations like Milton Keynes, Bedford, and Kettering.

Yes, we provide free architectural design when undertaking full design-and-build projects, with standalone design services starting at £600.

All projects are managed by qualified professionals with NICEIC and Gas Safe registered tradesmen, ensuring compliance and quality assurance.

Established in 2006, we are a family-run business with over 15 years of combined industry experience.

We specialise in domestic and commercial building, including extensions, renovations, new builds, structural work, and accessibility adaptations.

Yes, we handle planning applications and building regulation submissions, with work often starting within 2–3 weeks if no permission is required.

I just want to say a big thank you for the excellent job Terry and the team did. Disruption has been kept to a minimum, you did what you said you would, you were bang on with the timescale and we are delighted with the results. It's the second time we used you - roll on the third project!

Just wanted to thank Terry and the boys at ATJ for the fantastic job they did on repointing and plastering my fireplace. It was an absolute mess before i had them round and it now looks exactly how i've always wanted it to. The boys were in and out in 1 day leaving no mess and minimum disruption to my house.i highly recommend them.