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