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