Superior, Property Refurbishment & Development Specialists

Residential & Commercial - London & Home Counties

A committed team of professionals, bringing over 20 years of building experience

Project Management
Building & Restoration
Complete Renovations
New Builds
Extensions
Loft Conversions
Building Maintenance
Renewable Energy Installations
Planning Applications

Building strong foundations for the future and making your vision, a reality

Expert Trades & Services

Bringing expertise from trusted, specialist trades in construction, mechanical & electrical engineering, plumbing, heating & ventilation, plus renewable energy systems & services.

Dedicated Project Management

We make sure you have the right people, at the right time, with the right expertise to complete the job. We are fully committed to keeping your project on track, on schedule, and within budget.

Quality Without Compromise

A service that promises reliability, integrity, attention to detail, and high-end finishes. We take pride in delivering exceptional results with no shortcuts and no compromises on quality.

SGD Building Maintenance

Ensuring the safety, functionality and comfort of your building, while preserving its value.

SGD can provide essential, preventative and routine maintenance for your building, incl. structural, mechanical ventilation, electrical and plumbing services – all aimed at keeping your environment efficient.

“Sean and I worked together on building my forever home. He project managed the whole process from design to completion. Very happy with the outcome.”

New build house in Esher

– Robert, March 2022

“Sean from Synergy Group Developments has been excellent. The build met our expectations and more. We now have a functioning space for the whole family.”

Ground floor refurbishment in Sutton

– Gilly, December 2024

“SGD were very attentive to our needs and patient as we worked together to bring in the finer details to the project. Would highly recommend.”

Double side and rear extension In Banstead

– James, Oct 2023

“Very impressed with the service from the SGD. Sean spent a lot of time with me to understand our requirements which meant that the options he presented us with were all in line with my budget. Would happily recommend their services.”

Garden landscaping design and install in Cheam

– Sharon, June 2022