Garage Conversion London | Garage Conversion Specialists

Converting an unused garage into a warm, fully habitable room is one of the most cost-effective ways to add space and improve day-to-day living. Home Renovation Services London provides garage conversion services in London, transforming single, double, integral, and detached garages into bedrooms, home offices, playrooms, utility rooms, or self-contained annex-style spaces. We manage the full build from structural alterations and damp control through to insulation, electrics, plumbing where required, plastering, and final decoration, so the new room feels like a natural extension of your home.

Many garage conversions in London can be completed under Permitted Development, but Building Regulations compliance is still required. Every garage conversion we deliver is planned around the key technical details that matter, including damp prevention, thermal performance, ventilation, fire safety, and safe electrics. We handle replacing the garage door opening with an insulated wall and matching external finish, installing energy-efficient windows and doors, upgrading heating, and coordinating Building Control inspections to achieve a properly certified, comfortable living space.

What Our Garage Conversion Service Covers

• Garage conversion survey, feasibility checks, and layout planning
• Removing the garage door and forming a new insulated front wall with a matching external finish
• Damp-proofing and moisture control including membranes and floor build-ups
• Insulated floor options including floating floors and screed preparation where required
• Timber stud walls, partitions, and structural openings with lintels where required
• Thermal insulation to walls, floors, and ceilings to meet Building Regulations
• Electrical works including sockets, lighting, smoke alarms, and heating controls
• Plumbing and heating connections for radiators, utility rooms, or bathrooms where required
• New windows and external doors fitted to improve security and energy efficiency
• Plasterboarding, plastering, and skim finishes ready for decoration
• Second-fix carpentry including skirting, architraves, doors, and storage where required
• Building Control coordination, inspections, and completion sign-off

A typical garage conversion starts with a survey and a clear plan for how the space will be used. We then remove the garage door, form the new insulated wall, and complete damp-proofing and floor preparation to create a dry base. From there, we build studwork, install insulation, and prepare openings for windows and doors. We also keep disruption down by containing work areas and protecting adjacent rooms.

Once the structure and insulation are in place, we complete first-fix electrics and plumbing where required, then plasterboard and skim the walls and ceilings. The final stages include second-fix electrics, carpentry, flooring, decoration, and snagging. We coordinate Building Control inspections throughout so the converted garage is compliant, comfortable, and ready for handover, subject to the agreed scope.

Our Garage Conversion Process

Frequently asked questions