Transform your loft into a bright, spacious, and fully functional room with a Hip-to-Gable loft conversion. This is one of the most effective ways to create full-height, usable rooms and add significant value to properties with a hipped roof. By seamlessly replacing the sloping side of your roof with a vertical gable wall, you dramatically increase both usable floor space and essential headroom.
With over 30 years’ experience delivering premium loft conversions across Dudley, Wolverhampton, and the wider West Midlands, O'Sullivan Lofts ensures your new space is safe, stylish, and seamlessly integrated into your home.
“O'Sullivan Lofts delivered our beautiful new master suite in Dudley, perfectly within budget. The space gain is incredible.” – Mr. & Mrs. Jones, Dudley (5-Star Review)
Standard loft conversions work within your existing roof structure, often leaving awkward, unusable corners. The Hip-to-Gable conversion reshapes your home, unlocking every inch of loft space. Typical conversions add 20–50 cubic metres of usable space—enough for bedrooms, offices, or a multi-functional suite.
A professionally executed conversion can increase your home's value by 15–20%, making it a smart investment. Many homeowners recoup 60–80% of the cost through increased property value alone.
Properties built between the 1930s and 1950s often feature hipped roofs, which limit loft potential. Hip-to-Gable is the ideal structural solution, especially for semi-detached and end-of-terrace homes across the West Midlands.
For maximum space, light, and versatility, combining a Hip-to-Gable with a rear flat roof dormer increases width (gable) and depth (dormer), creating a multi-functional loft space suitable for:
Not sure? Our free, no-obligation survey will assess your property and confirm feasibility.
| Conversion Type | Space Added | Headroom | Suitable For | Typical Cost |
|---|---|---|---|---|
| Hip-to-Gable | 20–50m³ | Full height | Semi-detached, detached | £35,000–£50,000 |
| Roof Window (Velux) | 5–15m³ | Limited, sloped ceilings | Most roof types | £15,000–£30,000 |
| Flat Roof Dormer | 15–35m³ | Full height in dormer area | Any roof type | £30,000–£45,000 |
| Hip-to-Gable + Dormer | 35–65m³ | Full height + extended space | Semi-detached, detached | £45,000–£65,000 |
Most Hip-to-Gable conversions are completed under Permitted Development rights, meaning full planning permission is often not required. However, all projects must comply with PD volume restrictions and always require Building Regulations approval. O'Sullivan Lofts manages the entire process, from initial checks to final sign-off.
The roof opening phase lasts 2–3 weeks and is the busiest time. Interior work are left near the end of the project, and your home remains largely usable.
Typical Investment: £35,000–£50,000 (standard) | £45,000–£65,000 (with rear dormer)
Homes must meet the 2.3m central head height. Terraced homes are typically unsuitable. We assess suitability during a free survey.
Generally not if within Permitted Development rules. We confirm this and handle all necessary paperwork.
Most work is external. The roof opening phase lasts 2–3 weeks. Interior work is quieter, and disruption is minimal.
30+ years’ experience, local West Midlands expertise, fixed-price quotes and dedicated project management from start to finish.
Book your free, no-obligation survey today. We'll assess your property, confirm feasibility, and provide a detailed fixed-price quote.
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