Transform Your Home
With Expert Building Services
Loft Conversions • House Extensions • Garage Conversions
Our Services
Expert Building Services in London
From loft conversions to house extensions, we deliver high-quality building services that transform your home and add value to your property.
Loft Conversions
Transform your unused attic space into a beautiful living area.
- Dormer Conversions
- Velux Conversions
- Mansard Conversions
House Extensions
Add valuable space to your home with our expert extension services.
- Rear Extensions
- Side Extensions
- Wrap-around Extensions
Garage Conversions
Convert your garage into functional living space.
- Full Conversions
- Partial Conversions
- Home Offices
Why Choose Us
The Fixiz Difference
We pride ourselves on delivering exceptional quality and service on every project.
Since 2020
Delivering quality building projects across London since 2020.
Fully Insured
Complete peace of mind with comprehensive insurance coverage on all projects.
Fixed Price Quotes
Transparent pricing with no hidden costs. Know exactly what you are paying for.
Local Experts
London and M25 coverage with expert knowledge of local planning regulations.
Our Process
How It Works
From initial consultation to project completion, we guide you through every step.
Consultation
Free site visit and detailed quote. We discuss your vision and assess your property.
Design
Architectural plans and approvals. We handle all planning permission requirements.
Build
Expert construction by our skilled team. Quality workmanship at every stage.
Complete
Final handover and aftercare support. Your dream space is ready to enjoy.
Our Work
Recent Projects
Browse our portfolio of completed loft conversions, house extensions, and garage conversions.
Dormer Loft Conversion
North London
Kitchen Extension
South LondonHome Office Conversion
East London
Master Bedroom Suite
West London
Luxury Bathroom
Central London
Double Storey Extension
SurreyOur Day to Day
Real projects, straight from our team’s phones — no filters, no stock photos.
Testimonials
What Our Clients Say
“Javier and his team completed a full-scale interior and exterior renovation of our four-bedroom home over 7 to 8 months, including complete bathroom and kitchen renovations and a rear extension. Professional throughout.”Shalaka Ranadive— Google review
“Javier’s team have become a critical asset to our company. The building has 42 flats and incurs all sorts of issues night and day. The support has been second to none, professional, helpful and competitive.”Lydia Foulkes— Google review
“Javier and his team did a great job converting the garage to council regulations. We were so happy we commissioned them for other renovation work too. Good value for money and would highly recommend.”Diotima Eleftheria— Google review
Ready to Transform Your Home?
Get a free, no-obligation quote today. Let us discuss your project.
Request your free fixed-price quote
★ 5.0 · 40 Google reviews · Reply within 24 hours