Seamless integration with your existing property. Our Barnes architects ensure your new loft looks like it was always meant to be there.
Get Your Free Barnes QuoteTransform your Barnes property without moving. Add space and value with our expert loft conversion service.
Add up to 20% to your Barnes property value with a professional loft conversion.
No need to leave Barnes. Get the space you need in your current home.
Most Barnes loft conversions completed in 4-6 weeks with minimal disruption.
Create bedrooms, offices, or playrooms perfect for Barnes family living.
Transform your Barnes property's unused loft space into beautiful, functional living areas with our professional loft conversion services. Whether you need an extra bedroom, home office, or playroom in Barnes, we create bespoke solutions tailored to your lifestyle.
Our experienced Barnes team handles every aspect of your loft conversion project. From initial design and planning permission through to final decoration, we ensure your Barnes conversion maximizes space, natural light, and property value.
Choose the perfect conversion type for your Barnes property to maximize space and value
The most cost-effective option for Barnes properties using roof windows for natural light. Perfect for Barnes homes with adequate headroom.
Add valuable floor space and headroom to your Barnes property with single or multiple dormers. Popular choice in Barnes for space optimization.
Transform sloping hip roofs into vertical gable walls in your Barnes home, significantly increasing usable floor space. Ideal for Barnes semi-detached properties.
The premium option for Barnes properties creating maximum space with near-vertical walls. Perfect for period properties in Barnes.
Your Barnes property needs minimum 2.3m headroom at the highest point and sufficient floor area for conversion. Our Barnes specialists provide free assessments to determine if your loft is suitable and advise on the best conversion type for your Barnes property and budget. Most Barnes conversions fall under permitted development rights, but we handle all planning and building regulations applications where required.
Most terraced and semi-detached homes in Barnes have a 40-50 cubic meter allowance for roof extensions without full planning permission. We handle all Lawful Development Certificate applications for you.
Every conversion we build is inspected by approved inspectors to ensure compliance with Part B (Fire Safety) and Part L (Insulation) of the building regulations specific to Barnes housing stock.
Living in a terraced or semi-detached house in Barnes? We manage the Party Wall Notice process with your neighbors to ensure works can start on time.
Comprehensive evaluation of your Barnes loft space, structural assessment, and advice on the best conversion type for your property.
Architectural drawings, 3D visualizations, and planning permission applications for Barnes properties. We handle all regulatory approvals.
Steel beam installation, floor strengthening, and staircase construction by qualified Barnes engineers.
Velux roof windows, dormer construction, and window installations to maximize natural light in Barnes homes.
Complete bathroom installations including plumbing, electrical work, and luxury fixtures in your Barnes loft.
Plastering, decorating, flooring, and interior design services to create beautiful Barnes living spaces.
Professional space assessment
Architectural drawings and approvals
Professional loft specialists
Professional loft conversions throughout Barnes city centre, including period properties, modern homes, and conservation areas requiring specialist Barnes planning expertise.
Expert loft conversion services across all Barnes suburban areas. Specializing in semi-detached, detached, and terraced properties throughout Barnes.
Specialist conversions for Barnes's Victorian, Edwardian, and period properties. Sympathetic designs maintaining character while maximizing space.
Expert handling of Barnes conservation area requirements. We navigate planning restrictions and create beautiful conversions that comply with local regulations.
Barnes Loft Conversions Completed
Average Barnes Customer Rating
Years Serving Barnes
Barnes Building Control Approved
With over 15 years of experience in Barnes, we understand local planning requirements, building regulations, and architectural styles. Our Barnes team delivers exceptional loft conversions that enhance your property value.
Hip-to-gable conversion creating master bedroom with ensuite in a Victorian Barnes terrace. Added 30sqm of living space.
Project Value: £48,000
Dormer loft conversion in modern Barnes semi-detached. Created two bedrooms and bathroom for growing family.
Project Value: £42,000
Mansard conversion in Barnes conservation area. Luxury master suite with dressing room and ensuite.
Project Value: £65,000
"High-end finish on our mansard extension. The carpentry and plastering work in our Barnes home is flawless."
- Emily Lewis, Barnes
"I was expecting dust everywhere, but they left my Barnes house cleaner than they found it. Wizards, not builders!"
- Jennifer Wright, Barnes
"Professional service from start to finish. Our hip-to-gable conversion has added so much space to our Barnes home. Quality workmanship."
- Michael Hughes, Barnes
Loft conversion costs in Barnes vary based on type, size, and specifications. Typical Barnes prices: Velux conversions £20,000-£30,000, Dormer conversions £35,000-£45,000, Hip-to-gable £40,000-£55,000, Mansard conversions £45,000-£65,000. All Barnes quotes include structural work, insulation, electrics, plastering, and building control fees. Contact us for a free Barnes survey and detailed quote.
A transparent guide to typical conversion costs in the Barnes area (2025 Estimates)
| Conversion Type | Suitability | Timeframe | Price Range |
|---|---|---|---|
| Velux (Roof Light) | Existing headroom > 2.3m | 4-6 Weeks | £20k - £30k |
| Dormer (Rear) | Semis & Terraces | 6-8 Weeks | £35k - £50k |
| Hip-to-Gable | End-terrace & Semi-detached | 8-10 Weeks | £45k - £60k |
| Mansard | Period Properties / London Styles | 10-12 Weeks | £50k - £75k+ |
*Prices are indicative for Barnes properties and subject to survey.
Senior Structural Specialist
"I oversee all loft conversions in the Barnes area. My job is to ensure your project meets local building regulations while maximizing every inch of space. I'm happy to visit your property for a preliminary structural assessment."
Quality craftsmanship, guaranteed. Book your free structural survey in Barnes with Building Group.
Book Free Barnes Loft Survey