Building Group is Hill Houses's premier loft conversion company. We combine architectural expertise with master craftsmanship to deliver superior results.
Get Your Free Hill Houses QuoteTransform your Hill Houses property without moving. Add space and value with our expert loft conversion service.
Add up to 20% to your Hill Houses property value with a professional loft conversion.
No need to leave Hill Houses. Get the space you need in your current home.
Most Hill Houses loft conversions completed in 4-6 weeks with minimal disruption.
Create bedrooms, offices, or playrooms perfect for Hill Houses family living.
Transform your Hill Houses 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 Hill Houses, we create bespoke solutions tailored to your lifestyle.
Our experienced Hill Houses team handles every aspect of your loft conversion project. From initial design and planning permission through to final decoration, we ensure your Hill Houses conversion maximizes space, natural light, and property value.
Choose the perfect conversion type for your Hill Houses property to maximize space and value
The most cost-effective option for Hill Houses properties using roof windows for natural light. Perfect for Hill Houses homes with adequate headroom.
Add valuable floor space and headroom to your Hill Houses property with single or multiple dormers. Popular choice in Hill Houses for space optimization.
Transform sloping hip roofs into vertical gable walls in your Hill Houses home, significantly increasing usable floor space. Ideal for Hill Houses semi-detached properties.
The premium option for Hill Houses properties creating maximum space with near-vertical walls. Perfect for period properties in Hill Houses.
Your Hill Houses property needs minimum 2.3m headroom at the highest point and sufficient floor area for conversion. Our Hill Houses specialists provide free assessments to determine if your loft is suitable and advise on the best conversion type for your Hill Houses property and budget. Most Hill Houses conversions fall under permitted development rights, but we handle all planning and building regulations applications where required.
Most terraced and semi-detached homes in Hill Houses 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 Hill Houses housing stock.
Living in a terraced or semi-detached house in Hill Houses? We manage the Party Wall Notice process with your neighbors to ensure works can start on time.
Comprehensive evaluation of your Hill Houses loft space, structural assessment, and advice on the best conversion type for your property.
Architectural drawings, 3D visualizations, and planning permission applications for Hill Houses properties. We handle all regulatory approvals.
Steel beam installation, floor strengthening, and staircase construction by qualified Hill Houses engineers.
Velux roof windows, dormer construction, and window installations to maximize natural light in Hill Houses homes.
Complete bathroom installations including plumbing, electrical work, and luxury fixtures in your Hill Houses loft.
Plastering, decorating, flooring, and interior design services to create beautiful Hill Houses living spaces.
Professional space assessment
Architectural drawings and approvals
Professional loft specialists
Professional loft conversions throughout Hill Houses city centre, including period properties, modern homes, and conservation areas requiring specialist Hill Houses planning expertise.
Expert loft conversion services across all Hill Houses suburban areas. Specializing in semi-detached, detached, and terraced properties throughout Hill Houses.
Specialist conversions for Hill Houses's Victorian, Edwardian, and period properties. Sympathetic designs maintaining character while maximizing space.
Expert handling of Hill Houses conservation area requirements. We navigate planning restrictions and create beautiful conversions that comply with local regulations.
Hill Houses Loft Conversions Completed
Average Hill Houses Customer Rating
Years Serving Hill Houses
Hill Houses Building Control Approved
With over 15 years of experience in Hill Houses, we understand local planning requirements, building regulations, and architectural styles. Our Hill Houses team delivers exceptional loft conversions that enhance your property value.
Hip-to-gable conversion creating master bedroom with ensuite in a Victorian Hill Houses terrace. Added 30sqm of living space.
Project Value: £48,000
Dormer loft conversion in modern Hill Houses semi-detached. Created two bedrooms and bathroom for growing family.
Project Value: £42,000
Mansard conversion in Hill Houses conservation area. Luxury master suite with dressing room and ensuite.
Project Value: £65,000
"My husband is finally out of the living room and into his new man-cave! Thank you Building Group for saving my sanity in Hill Houses!"
- Michael Hughes, Hill Houses
"The neighbors are jealous, the kids are happy, and the house value went up. The trifecta! Best investment in Hill Houses."
- David Wilson, Hill Houses
"Building Group turned my scary spider attic into a 5-star hotel suite. My guests in Hill Houses never want to leave!"
- Jennifer Wright, Hill Houses
Loft conversion costs in Hill Houses vary based on type, size, and specifications. Typical Hill Houses 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 Hill Houses quotes include structural work, insulation, electrics, plastering, and building control fees. Contact us for a free Hill Houses survey and detailed quote.
A transparent guide to typical conversion costs in the Hill Houses 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 Hill Houses properties and subject to survey.
Senior Structural Specialist
"I oversee all loft conversions in the Hill Houses 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."
Warning: A new loft by Building Group may cause you to never leave your Hill Houses house again.
Book Free Hill Houses Loft Survey