Is your house feeling a bit tight? Let our Mortlake team perform some magic. We turn cramped attics into spacious sanctuaries.
Get Your Free Mortlake QuoteTransform your Mortlake property without moving. Add space and value with our expert loft conversion service.
Add up to 20% to your Mortlake property value with a professional loft conversion.
No need to leave Mortlake. Get the space you need in your current home.
Most Mortlake loft conversions completed in 4-6 weeks with minimal disruption.
Create bedrooms, offices, or playrooms perfect for Mortlake family living.
Transform your Mortlake 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 Mortlake, we create bespoke solutions tailored to your lifestyle.
Our experienced Mortlake team handles every aspect of your loft conversion project. From initial design and planning permission through to final decoration, we ensure your Mortlake conversion maximizes space, natural light, and property value.
Choose the perfect conversion type for your Mortlake property to maximize space and value
The most cost-effective option for Mortlake properties using roof windows for natural light. Perfect for Mortlake homes with adequate headroom.
Add valuable floor space and headroom to your Mortlake property with single or multiple dormers. Popular choice in Mortlake for space optimization.
Transform sloping hip roofs into vertical gable walls in your Mortlake home, significantly increasing usable floor space. Ideal for Mortlake semi-detached properties.
The premium option for Mortlake properties creating maximum space with near-vertical walls. Perfect for period properties in Mortlake.
Your Mortlake property needs minimum 2.3m headroom at the highest point and sufficient floor area for conversion. Our Mortlake specialists provide free assessments to determine if your loft is suitable and advise on the best conversion type for your Mortlake property and budget. Most Mortlake conversions fall under permitted development rights, but we handle all planning and building regulations applications where required.
Most terraced and semi-detached homes in Mortlake 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 Mortlake housing stock.
Living in a terraced or semi-detached house in Mortlake? We manage the Party Wall Notice process with your neighbors to ensure works can start on time.
Comprehensive evaluation of your Mortlake loft space, structural assessment, and advice on the best conversion type for your property.
Architectural drawings, 3D visualizations, and planning permission applications for Mortlake properties. We handle all regulatory approvals.
Steel beam installation, floor strengthening, and staircase construction by qualified Mortlake engineers.
Velux roof windows, dormer construction, and window installations to maximize natural light in Mortlake homes.
Complete bathroom installations including plumbing, electrical work, and luxury fixtures in your Mortlake loft.
Plastering, decorating, flooring, and interior design services to create beautiful Mortlake living spaces.
Professional space assessment
Architectural drawings and approvals
Professional loft specialists
Professional loft conversions throughout Mortlake city centre, including period properties, modern homes, and conservation areas requiring specialist Mortlake planning expertise.
Expert loft conversion services across all Mortlake suburban areas. Specializing in semi-detached, detached, and terraced properties throughout Mortlake.
Specialist conversions for Mortlake's Victorian, Edwardian, and period properties. Sympathetic designs maintaining character while maximizing space.
Expert handling of Mortlake conservation area requirements. We navigate planning restrictions and create beautiful conversions that comply with local regulations.
Mortlake Loft Conversions Completed
Average Mortlake Customer Rating
Years Serving Mortlake
Mortlake Building Control Approved
With over 15 years of experience in Mortlake, we understand local planning requirements, building regulations, and architectural styles. Our Mortlake team delivers exceptional loft conversions that enhance your property value.
Hip-to-gable conversion creating master bedroom with ensuite in a Victorian Mortlake terrace. Added 30sqm of living space.
Project Value: £48,000
Dormer loft conversion in modern Mortlake semi-detached. Created two bedrooms and bathroom for growing family.
Project Value: £42,000
Mansard conversion in Mortlake 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 Mortlake build."
- Sophie Taylor, Mortlake
"High-end finish on our mansard extension. The carpentry and plastering work in our Mortlake home is flawless."
- Helen Baker, Mortlake
"We were worried about the disruption, but the team at Building Group were incredibly considerate of our home in Mortlake."
- James Walker, Mortlake
Loft conversion costs in Mortlake vary based on type, size, and specifications. Typical Mortlake 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 Mortlake quotes include structural work, insulation, electrics, plastering, and building control fees. Contact us for a free Mortlake survey and detailed quote.
A transparent guide to typical conversion costs in the Mortlake 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 Mortlake properties and subject to survey.
Senior Structural Specialist
"I oversee all loft conversions in the Mortlake 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."
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