Get a FREE home improvement consultation from expert builders in London
Get a FREE home improvement consultation from expert builders in London



Convert your unused garage into a stylish and practical living space with Rocko Construction Ltd. We design and build high-quality garage conversions across London, creating home offices, extra bedrooms, gyms, playrooms and more. From initial consultation to final completion, we deliver expert workmanship, fixed quotations and outstanding customer service.
• Add valuable living space without extending your home.
• Increase the value of your property.
• Create a home office, gym, bedroom or playroom.
• Cost-effective alternative to moving house.
• Fast construction with minimal disruption.
• Integral Garage Conversion
• Detached Garage Conversion
• Double Garage Conversion
• Garage to Home Office
• Garage to Bedroom
• Garage to Annexe
1. Free Consultation
We visit your property, discuss your ideas and recommend the best solution for your garage conversion.
2. Design & Planning
Where required, we assist with drawings, planning permission and Building Regulations.
3. Fixed Quotation
You’ll receive a detailed fixed quotation with no hidden costs.
4. Construction
Our experienced team completes every stage of the conversion to the highest standards.
5. Final Inspection & Completion
We ensure every detail is finished perfectly before handing over your new space.
How much does a garage conversion cost?
The cost depends on the size of the garage, the specification and the intended use. We provide free site visits and fixed quotations so you’ll know exactly what your project will cost.
How long does a garage conversion take?
Most garage conversions are completed within 2 to 6 weeks, depending on the complexity of the project.
Do I need planning permission?
Many garage conversions fall under permitted development rights, meaning planning permission may not be required. We’ll advise you based on your property and project.
Do I need Building Regulations approval?
Yes. Garage conversions must comply with Building Regulations to ensure the new room is safe, insulated and energy efficient.
Can I convert my garage into a bedroom or office?
Yes. Garage conversions are ideal for creating extra bedrooms, home offices, gyms, playrooms, utility rooms or additional living areas.
Will a garage conversion add value to my home?
In many cases, yes. A professionally completed garage conversion can significantly increase your property’s value while providing valuable extra living space.
Are you fully insured?
Yes. Rocko Construction Ltd is fully insured, giving you complete peace of mind throughout your project.
Which areas do you cover?
We provide garage conversion services throughout London, including North London, North West London, West London, East London and selected areas of Hertfordshire.
Do you offer free quotations?
Yes. We offer free consultations and fixed quotations with no obligation, allowing you to make an informed decision before starting your garage conversion.
Ready to Transform Your Garage?
Thinking about converting your garage into a practical new living space?
Contact Rocko Construction Ltd today for a free consultation and fixed quotation.