Updated 12th March 2026
Building and Designing Your Home Extension
This guide explains the key structural and design elements involved in creating a safe, functional and comfortable extension
Excavation and Ground Preparation
Foundations, Underpinning and Piling
Underground Services and Site Preparation
Connecting Services to Your Extension
Structural Changes to Your Home
Roofing Options
Flooring Choices
Doors and Windows
Glazing and Energy Efficiency
Heating and Insulation
Decorating and Finishing
Blog
Whether the job is big or small, there are certain steps we advise you to take
Green Lending Reassurance
Our data-led audit and compliance service validates home improvements, promotes quality installation and provides customer protection
Emerging technologies: What you need to know
Did you know 85% of employment growth over the last 80 years is explained by technology-driven roles?
TrustMark is the Government Endorsed Quality Scheme that covers work a consumer chooses to have carried out in or around their home.
When a consumer chooses a TrustMark Registered Business, they are engaging with an organisation that has been thoroughly vetted to meet required standards and has made a commitment to good customer service.
