Published 25 April 2026 · Updated 14 May 2026
By Jon Thompson, Director — Living Design & Build Ltd, FMB-member builder, Bridgnorth
Most loft conversions in the West Midlands do not need full planning permission — but a meaningful minority do, and getting it wrong is expensive. This is what we tell every Stourbridge, Wolverhampton, Kidderminster and Halesowen client at the first site visit.
Permitted development: the basics
Most houses have permitted development rights that let you convert your loft without planning permission, provided the work stays within these limits:
- Maximum 50m³ added volume on detached and semi-detached houses
- Maximum 40m³ added volume on terraced houses
- No extensions beyond the existing roof plane on the front (street-facing) elevation
- No raising of the roof ridge height
- Materials similar in appearance to the existing house
- Side-facing windows must be obscure-glazed and non-opening below 1.7m
When you definitely need planning permission
- The property is in a conservation area (Old Quarter Stourbridge, Tettenhall Wood, parts of Wolverhampton city centre, most of Bridgnorth High Town, Bewdley centre)
- The property is a listed building (any grade)
- You're exceeding the volume allowance above
- You're adding a dormer on the front elevation
- Permitted development rights have been removed (common on newer estates — check the original planning consent)
- The property is in an Area of Outstanding Natural Beauty
What's the difference between planning and Building Regs?
Even when planning permission isn't required, Building Regulations always are for a loft conversion. Planning permission asks 'is this allowed?'. Building Regulations ask 'is this safe and built correctly?'. The two are independent — getting permitted development confirmation does not exempt you from Building Regs.
West Midlands council quirks
Dudley MBC (Stourbridge, Halesowen, Kingswinford)
Generally straightforward for permitted development applications. Old Quarter conservation area in Stourbridge has tighter controls, especially on roof material and window styling.
City of Wolverhampton Council
Tettenhall Wood, Penn Common and Goldthorn Hill conservation areas require full planning even for modest dormer conversions. We've taken multiple projects through Wolverhampton planning and have a good working relationship with the case officers.
Shropshire Council (Bridgnorth, Telford, Much Wenlock)
Large rural area, lots of listed buildings and conservation areas. Bridgnorth High Town, Much Wenlock town centre and the Ironbridge Gorge WHS all have additional controls. Pre-application advice is cheap (£75) and usually worth it.
Wyre Forest District (Kidderminster, Bewdley, Stourport)
Bewdley centre is a tightly-controlled conservation area. Modern estates around Kidderminster are usually fine under permitted development.
Frequently asked questions
How long does a planning application take?+
Full planning permission is determined within 8 weeks for householder applications. Permitted development confirmation (Lawful Development Certificate) is also 8 weeks but is rarely refused if the design genuinely falls within the limits.
What happens if I build without planning permission?+
The council can serve an enforcement notice requiring you to take the work down. This is rare in practice but the risk is real, especially in conservation areas where neighbours often complain. Always confirm planning status before starting.
Will my loft conversion need building control inspections?+
Yes — always. We submit a full plans application or use an approved inspector. Building Control will visit at foundations, floor structure, fire safety, and completion stages, then issue a final certificate.
If you're planning a loft conversion anywhere in Shropshire or the West Midlands, we're happy to come and tell you in 30 minutes whether you need planning, what kind of conversion suits your roof, and what it's likely to cost. The site visit is free.