About ATJ Building & Groundworks

Experienced Northampton Builders you can trust

We are an established family builders who offer straightforward, honest and friendly advice, backed up with quality workmanship.

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Federation of Master BuildersATJ Building & Groundworks Builders Northampton
family run builders
with a reputation
for quality

Founded in 2006 by Duston born and bred Terry Jwanczuk, ATJ Building & Groundworks is a  family run business with an exceptional reputation for quality and professionalism. Our background and expertise in demolition and building had enabled us to build up a large and loyal client base and we guarantee the highest standard of workmanship across our comprehensive services.

Our clients range from home renovations, to educational institutions, government departments to other building and contracting companies. We are also one of the recommended suppliers for some of the largest providers of education in the county.

We pride ourselves on delivering high quality building and groundworks projects, on time and on budget.

Master builders
specialising in Bricks, Blocks, Concrete and Steel

We work work in all forms of general building, domestically within a 40-mile radius of Northampton but we have commercial clients throughout the UK.

Project requirements vary from client to client and encompass a wide range of specialisms, from renovations and new builds to disabled and mobility access and extensions.

Hassle free
Building projects designed & Delivered

We know the starting a building project can be a worrying time but we are with you every step of the way. Unlike many other contractors, we don’t sub-contract work out to other builders. ATJ Building & Groundworks will manage every stage of a project from beginning to end, ensuring consistency, confidence and total piece of mind for our customers.

From refurbishments and demolition to extensions and structural work, we are used to managing large-scale domestic and private developments and contracts for a wide variety of clients.

Due to our technical expertise we are often asked to tackle large-scale, complicated building projects in addition to our groundwork and building contracts and we are proud of the reputation we have built up within this field.


A few words from our happy clients
ATJ Building & Groundworks
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