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