Harborne · B17
Loft Conversions in Harborne
Kingdom Build converts lofts across Harborne (B17). On the area's Victorian and Edwardian terraces an L-shaped dormer over the rear outrigger is quoted per property and adds a bedroom with en-suite. Article 4 and conservation designations apply on some streets. Free site visit.
- Free site visit
- 8–16 weeks
- Fixed-price contract
- 12-Month Guarantee
Loft Conversions in Harborne
Kingdom Build converts lofts across Harborne (B17). On the area's Victorian and Edwardian terraces an L-shaped dormer over the rear outrigger is quoted per property and adds a bedroom with en-suite. Article 4 and conservation designations apply on some streets. Free site visit.
Harborne's Victorian and Edwardian terraces present a loft opportunity that most 1930s stock does not: the rear outrigger. Because the original house has a back addition with its own roof, you can build an L-shaped dormer that wraps from the main rear roof slope around over the outrigger — giving considerably more floor area than a straight rear dormer, and often enough for a double bedroom plus a proper en-suite rather than a shower cubicle squeezed under a slope.
The roofs themselves are usually slate rather than tile, which changes who does the work. Cutting a dormer opening into a Welsh slate roof and making it both watertight and visually right is specialist work — a slate roofer, not a general roofer. It costs more and it is the difference between a dormer that looks like it belongs and one that announces itself from the end of the street.
The constraint to establish first is designation. Parts of Harborne sit within the conservation area, and Article 4 directions remove permitted development rights on some streets entirely. Where those apply, a large rear dormer may not be acceptable and a rooflight-led conversion becomes the sensible route. We check the exact position on your address before designing anything.
Costs
How much does loft conversion cost in Harborne?
What you pay depends mostly on which of the options below your property allows — the gap between the simplest and the most involved is substantial, and it is decided by the building rather than by us. We survey first, then give you a single fixed price. We would rather do that than publish a range that does not survive contact with your Harborne property.
| Option |
|---|
| Rear dormer conversionOne double bedroom with en-suite. Typically 8–10 weeks. |
| L-shaped dormer (over rear outrigger)The Harborne terrace solution. Significantly more floor area than a straight dormer. |
| Rooflight conversionWhere head height allows. Usually the most approvable option on Article 4 and conservation streets. |
| Full-width dormer / two roomsLarger detached properties on the wider streets. Full planning application. |
Free site visit across B17, then a written fixed-price quote within 5–7 days. Get yours.
Planning
Do you need planning permission in Harborne?
Your planning authority is Birmingham City Council. Here is what that means in practice for loft conversions in B17.
- Article 4 directions on parts of Harborne remove permitted development rights, so a loft conversion that would be automatic on the next street may need a full application on yours. This gets checked first, always.
- Outside those areas, standard permitted development applies: up to 40m³ of added roof volume on a terrace or semi, nothing forward of the existing front roof plane.
- An L-shaped dormer over a rear outrigger consumes volume quickly — the 40m³ calculation needs doing properly at design stage, not discovered part-way through.
- In the conservation area around the High Street and older residential streets, large rear dormers are assessed on their effect on the roofscape, and conservation-profile rooflights are frequently the more approvable route.
- Terraced properties trigger the Party Wall Act with both neighbours, since the new floor structure bears on both party walls.
- Building Regulations govern the safety-critical items regardless of the planning route: protected stair enclosure, 30-minute fire doors, escape provision and floor joist design.
Local property
What your Harborne roof allows
- Victorian terrace with rear outrigger: L-shaped dormer wrapping the main slope and the back addition — the highest-value option in B17.
- Edwardian semi: straight rear dormer usually sufficient, with better head height than the terraces.
- Welsh slate roofs throughout the older stock: any opening needs a slate roofer to detail and weather properly.
- Substantial detached (wider streets): generous volume, often room for two bedrooms and a bathroom.
- Conservation area and Article 4 streets: rooflight-led conversions are usually the approvable route rather than a large dormer.
Our work
Loft Conversions we have delivered
Loft Conversions in Harborne — your questions
Other work we do in Harborne
Loft Conversions in nearby areas
- Loft Conversions in Sutton Coldfield
- Loft Conversions in Solihull
- Loft Conversions in Edgbaston
- Loft Conversions in Walsall
- Loft Conversions in Lichfield
Or read the general loft conversions guide covering the whole West Midlands.
Ready to start?
Get a free quote for your Harborne project
Free site visit across B17. Fixed-price quote in 5–7 days. No obligation.