Granny Annexe Design & Build Services in Cheshunt, Hertfordshire

We recently completed a modern granny annexe in Cheshunt, Hertfordshire, designed to combine comfort, compliance, and cost efficiency. The project was delivered on budget and fully approved by building control.

Key Features

  • Foundations: Installed screw pile foundations to minimise ground disturbance and provide a stable, long-lasting base.
  • Structure: Constructed with foam-injected SIP panels, ensuring high insulation and energy efficiency.
  • Exterior: Composite cladding on the front, complemented by K render on the sides and rear for a clean, low-maintenance finish.
  • Interiors: Fitted with a modern kitchenette, toilet, drainage system, and air conditioning unit for year-round comfort.
  • Compliance: We handled all building control requirements and supported planning permission to ensure smooth approvals.

Outcome
The annexe was completed within the agreed timeline and budget, providing a self-contained, warm, and functional living space that perfectly matches the client’s needs.

Over the moon with the Granny…

"I couldn’t be happier with the Granny Annex and it has far exceeded my expectations! From the initial planning stage right through to the day I got the keys Costi and his team were there. Costi’s years of experience and expertise are evident and his attention to detail is excellent. I wouldn’t hesitate to recommend his company TRJ and everyone I have shown the annex have been very impressed."


Interested in your own bespoke granny annex ? Contact us today to start your project with a team that delivers excellence, speed, and custom solutions tailored to your needs.