Established Master Builders

Committed to Residential Craftsmanship

Building high-specification extensions, conversions, and bespoke homes across Greater London with complete integrity, safety, and precision.

OUR BACKGROUND & MISSION

Master Craftsmanship Meets Modern Project Management

GN Developers was established to solve the common issues in domestic building: communication breakdowns, unitemised estimates, surprise extras, and lagging schedules.

We combined seasoned trade craftsmen—bricklayers, structural engineers, carpenters, and master plasterers—with strict commercial project management frameworks. Every residential site we operate has an active, full-time site foreman, direct health and safety oversight, and weekly milestone tracking.

Whether you are extending a Victorian family terrace in Ealing or executing a ground-up development in Hertfordshire, we provide complete peace of mind, backed by £10,000,000 in liability insurance and full 10-year structural guarantees.

£10M

PUBLIC & EMPLOYERS INSURANCE

100%

Fixed-Price Quotes

10-Yr

Structural Guarantees

4.9★

Client Satisfaction

Accreditations & Regulatory Standards

We build to standards that exceed minimum UK Building Regulations.

Building Control Approved

Full statutory compliance with Local Authority Building Control (LABC) and approved private inspectors.

Part P & Gas Safe

All electrical and plumbing installations are tested, certified, and registered with NICEIC and Gas Safe registers.

CDM 2015 Compliant

Strict adherence to Health & Safety Executive (HSE) Construction Design & Management regulations.

10-Year Warranty

Insurance-backed structural latent defect guarantees issued upon every completed major extension and new build.