Extensions & Lofts
Expand your living space with professional home extensions and loft conversions across London. At Gverra Building, we deliver fully managed building solutions that increase space, improve functionality, and add long-term value to your property.
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Compliance & Certifications
Insurance
- Public Liability Insurance (Coverage up to £10M)
- Employers' Liability Insurance (Coverage up to £10M)
- Contractors All Risk Insurance
Health & Safety
- Health & Safety Policy
- Risk Assessments
- Method Statements (RAMS)
- Accident Procedure
- Fire Safety Policy
Workforce Competence
- CSCS Card Holders
- Asbestos Awareness
- Manual Handling
- Working at Height
- First Aid Trained Operatives
Industry Accreditations
- Constructionline
- CHAS
Expert Extensions & Loft Conversions
At Gverra Building, we specialise in delivering high-quality home extensions and loft conversions across London. From rear and side extensions to full loft transformations, we help homeowners maximise space, improve functionality, and increase property value.
We manage every stage of the project — from design and planning approval to construction and final finishes — ensuring precise workmanship, structural integrity, and full compliance with UK building regulations. Whether you’re expanding your living area or creating an additional bedroom, office, or studio, we provide a seamless, stress-free building experience tailored to your needs.
Craftsmanship: quality work with attention to every detail.
Transparent Pricing and On-Time Delivery
Full-Service Renovations: Kitchens, Bathrooms, Flooring, Carpentry
Local Expertise with Attention to Every Detail
What’s included in Extensions & Lofts
Design, Planning & Building Control Support
We assist with architectural layouts, structural calculations, planning permission applications, and building control approvals to ensure your project meets all legal and technical requirements.
Structural & Groundworks
Complete foundation work, steel beam (RSJ) installation, load-bearing wall alterations, and structural reinforcements to guarantee long-term safety and stability.
Full Construction & Build Services
Rear, side and wraparound extensions, dormer and mansard loft conversions, roof alterations, and full structural builds carried out by experienced professionals.
Roofing, Insulation & Weatherproofing
Installation of high-performance insulation, energy-efficient roofing systems, and moisture protection solutions to improve comfort and reduce energy costs.
Electrical, Plumbing & Heating Installations
Complete integration of electrical wiring, lighting systems, plumbing, ventilation, and heating solutions tailored to your new living space.
Our Extensions & Lofts process
We follow a structured and efficient building process that ensures precision, safety, and full compliance with UK regulations. From planning and design to construction and finishing, every step is professionally managed by our experienced team.
- 1
Consultation & Site Survey
We meet with you to discuss your extension or loft conversion goals, assess your property, and carry out a detailed site survey to evaluate structural requirements, access points, and feasibility. - 2
Design & Space Planning
Architectural layouts, structural designs, and space planning solutions are developed to maximise usable space, improve natural light, and ensure optimal functionality. - 3
Planning Permission & Building Control
We manage all necessary approvals, including planning permission (if required), permitted development compliance, and Building Control submissions to ensure full regulatory compliance. - 4
Structural Construction & Build
All structural works are carried out safely and efficiently, including foundations, steel beam (RSJ) installation, roof alterations, dormers, floor reinforcement, and extension construction. - 5
Internal Fit-Out & Finishing
Insulation, plastering, staircases, electrics, plumbing, flooring, windows, doors, and bespoke joinery are installed to deliver a high-quality finished living space. - 6
Final Inspection & Project Handover
Final quality checks are completed, certifications are provided, and the project is handed over clean, compliant, and ready for use — with aftercare support and workmanship warranty included.
Ready to start your project?
Whether you’re planning a small upgrade or a full-scale renovation, our team at Gverra Limited is here to guide you every step of the way. Request a free quotation or call us on ( +44 ) 07367203844 to speak with one of our renovation specialists and start your project with confidence.
Our Recent Projects in London
#Full Refurbishments
#Full Refurbishments
East Dulwich, London Borough of Southwark, SE22, London
#Full Refurbishments
Greenwich, Royal Borough of Greenwich, SE10, London
#Full Refurbishments
Hampstead, London Borough of Camden, NW3, London
#Full Refurbishments
Canary Wharf, London Borough of Tower Hamlets, E14, London
#Full Refurbishments
Islington, London Borough of Islington, N1, London
Client testimonials
Based on 123 Google reviews
Brian Wilson
Grevva Building renovated our entire first floor, including the kitchen, living room, and hallway. Every step of the process was smooth, from planning to execution. Their craftsmanship is excellent, and they treated our home with the utmost respect. I can’t recommend them enough.
Emily Harper
Grevva Building renovated our entire first floor, including the kitchen, living room, and hallway. Every step of the process was smooth, from planning to execution. Their craftsmanship is excellent, and they treated our home with the utmost respect. I can’t recommend them enough.
Adam Gymes
Grevva Building renovated our entire first floor, including the kitchen, living room, and hallway. Every step of the process was smooth, from planning to execution. Their craftsmanship is excellent, and they treated our home with the utmost respect. I can’t recommend them enough.
Jessica Reynolds
Grevva Building renovated our entire first floor, including the kitchen, living room, and hallway. Every step of the process was smooth, from planning to execution. Their craftsmanship is excellent, and they treated our home with the utmost respect. I can’t recommend them enough.
Michael Thompson
Grevva Building renovated our entire first floor, including the kitchen, living room, and hallway. Every step of the process was smooth, from planning to execution. Their craftsmanship is excellent, and they treated our home with the utmost respect. I can’t recommend them enough.
Samantha Lewis
Grevva Building renovated our entire first floor, including the kitchen, living room, and hallway. Every step of the process was smooth, from planning to execution. Their craftsmanship is excellent, and they treated our home with the utmost respect. I can’t recommend them enough.
David Keller
Grevva Building renovated our entire first floor, including the kitchen, living room, and hallway. Every step of the process was smooth, from planning to execution. Their craftsmanship is excellent, and they treated our home with the utmost respect. I can’t recommend them enough.
DISCUSS
Your Project
At Gverra Limited, we provide comprehensive building and renovation services for residential projects. From structural works and extensions to full refurbishments, our work is defined by quality workmanship, clear processes, and full compliance with UK standards. We manage every stage with care, delivering reliable results built to last.
Get in touch
Where we work in London
Service area
- Central London
- South London
- West London
- North London
- East London
Others services
Quality building and renovation solutions for homes and businesses across London.
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Supporting councils and housing associations with responsive repairs, planned maintenance, property refurbishments, and compliance works delivered by qualified professionals. -
Gverra building, offers renovation and interior services across London, handling every step to create stylish, functional spaces. -
Expand your living space with professional home extensions and loft conversions across London. At Gverra Building, we deliver fully managed building solutions that increase space, improve functionality, and add long-term value to your property. -
Transform your property with Gverra Building’s expert full refurbishment services across London. From structural improvements and layout redesign to complete interior fit-out, we manage every stage of the project to deliver high-quality craftsmanship, modern, functional spaces, and full compliance with UK building regulations. Whether updating a single room or renovating an entire property, we provide a seamless, stress-free experience tailored to your lifestyle. -
Transform your kitchen or bathroom with Gverra Building’s expert renovation services across London. From bespoke design and planning to professional installation and finishing, we create stylish, functional, and high-quality spaces tailored to your home and lifestyle. -
Transform your garden and outdoor spaces with Gverra Building’s expert landscaping services across London. From bespoke garden designs to patios, driveways, and full outdoor makeovers, we create functional, stylish, and low-maintenance spaces tailored to your lifestyle.
Have questions ? We're ready to help!
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1. What services does Gverra Building offer?
We provide full-service construction and renovation for residential and commercial properties across London, managing projects of all sizes — from small refurbishments to complete rebuilds. Our team delivers high-quality workmanship, clear communication, and reliable results at every stage.
2. Are you a licensed and insured company?
Yes, Gverra Building is fully licensed and insured. We comply with all UK building regulations and safety standards, giving our clients complete peace of mind throughout the project.
3. How long will my renovation take?
Project timelines depend on the size and complexity of the work. Small renovations may take a few weeks, while larger structural projects or full refurbishments can take several months. After an initial consultation and site assessment, we provide a clear project schedule with realistic timeframes.
4. What areas do you cover in London?
We operate across all areas of Greater London, including Central, North, South, East, and West London. If you are unsure whether we cover your location, feel free to contact us and our team will be happy to assist.