If you’re looking to add more space and natural light to your home, dormer installation is an excellent option.

We’re experienced in installing dormers in Weymouth, Portland, Dorchester and surrounding villages, helping you transform your attic or loft into a functional, attractive living area.

Can I put a dormer in my roof?

Whether you can add a dormer depends on your roof structure, planning permissions and building regulations.

Our experienced team can assess your property, advise you on feasibility, and guide you through any necessary approvals.

Most homes in Weymouth are suitable for dormers, especially pitched roofs with reasonable attic space.

Dormer Installation in Weymouth

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Installing a dormer in Weymouth

What are the benefits of installing a dormer?

  • Maximises available space without extending footprint

  • Increases natural light and ventilation upstairs

  • Adds aesthetic appeal and boosts property value

  • Offers flexible design options to suit your home style

Our dormer installation process

  1. Free survey and consultation to assess your roof and discuss your needs

  2. Clear, no-obligation quote with an estimated timeline

  3. Planning permission support if required

  4. Skilled dormer construction by experienced roofing contractors

  5. Full project clean-up and final walk-through to ensure satisfaction

We handle everything from small window dormers to large box dormers with the same care and professionalism.

Dormer installation FAQs

  • Most homes with pitched roofs can accommodate a dormer, but it depends on your roof’s shape and structure. We will advise on suitability during the survey.

  • The cost of installing a dormer varies based on size, style, materials, and any structural work needed. As a rough guide, dormer installation costs in Weymouth typically start from £8,000, but every project is different. We provide detailed, transparent quotes after inspecting your property so you know exactly what’s involved.

  • Timeframes vary, but typical dormer projects take 2 to 4 weeks, depending on size and complexity.

  • Many dormer installations require planning permission or building regulation approval. We will advise and assist with applications.