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