Seamless Design & Build Services in Hertfordshire & Buckinghamshire
From your first drawing to the moment you step into your finished home, everything is handled by our trusted team, with a dedicated point of contact.
At Steve Toms Design and Build, we deliver true turnkey design and build projects across Hertfordshire and Buckinghamshire – Harpenden, St Albans, Berkhamsted, Beaconsfield, Amersham, Gerrards Cross and surrounding areas.
Core Design & Build Services
We simplify complex projects by combining all aspects of architecture, compliance, and construction under one roof.
Bespoke New-Build Homes & Small Developments
We offer full design & build packages for one-off houses and small residential schemes.
Feasibility
Early -stage advice on feasibility and budget to guide your project.
Design & Planning
Architectural design (in-house or with your chosen architect) and full management of Planning Permission and Building Regulations if needed.
Construction
Complete on-site project management from foundations to final handover.
House Extensions & Refurbishments
We specialise in seamless additions and transformations that feel like they’ve always been there.
Extensions
Single-storey, double-storey, side-return, and wrap-around extensions.
Conversions & Renovations
Loft conversions, garage conversions, whole-house renovations, and layout reconfigurations
Luxury Interior Fit-Out Included
We never hand over a beautiful shell with an unfinished interior. Our projects can include comprehensive fit-out work & full interior design.
Kitchens & Bathrooms
Bespoke or premium fitted kitchens, luxury bathrooms, and en-suites.
Custom Joinery
Wardrobes, media walls, bespoke staircases, storage, and all finer finishes.
Finishes
Flooring, tiling, plastering, full decoration. Smart home wiring and feature lighting.
Why Choose Our Design & Build Service?
Stress-Free Process
One team, one contract, one point of contact from start to finish.
Transparency
Clear, detailed written quotes, transparent staged payments, and realistic programmes.
Trust & Quality
Full compliance, insurance, use of certified trades, and Building Control sign-off.
Proven Excellence
Two-times winner of UK Property Awards for Residential Development (2020–2021 & 2024–2025).