A city of terraces
Coventry is a terraced city. At the 2021 Census almost four in ten households lived in a terraced house and another three in ten in a semi. Detached houses are scarce, under 12%. So the odds are your loft sits over a terrace.
The war explains a lot of what was built after. The Imperial War Museum records that the raid of 14 November 1940 left almost a third of the city's houses uninhabitable, and whole districts were rebuilt as council estates. Canley shows the spread in one place. There are pre-war red-brick semis built in blocks of four, post-war houses along Charter Avenue, and steel-framed BISF semis near Thimbler Road. Each is a different roof job.
Permitted development allows a terraced house 40 cubic metres of extra roof space, where a semi or detached house gets 50. A full-width rear dormer on a long, narrow Coventry terrace can come close to that limit. Ask your designer to put the calculation on the drawings.
Which type suits which Coventry house
How each type tends to work on the houses here. Each has a full guide.
Rear dormer. The usual choice on a terrace anywhere in the city. Outside a conservation area it normally goes ahead under permitted development, as long as the volume stays inside the 40 cubic metres a terrace is allowed.
L-shaped dormer. Works on a Victorian terrace with a two-storey back addition. In Chapelfields look before you plan, because many houses there already rise to three storeys at the back.
Rooflights only. In Earlsdon, Chapelfields or the city's other conservation areas, rooflights on the back slope are the least contentious way to use the roof. You need enough height under the ridge for it to be worth doing.
Hip to gable. For semis with a sloping end roof, and Coventry has around 40,000 semis. On a corner plot the new gable is seen from two streets, so expect the planners to look at it closely.
Read our full guide: Hip-to-Gable Loft Conversions: What It Involves and Which Houses It Suits →
Extra bedroom. If the new room is a bedroom, building control wants a protected route down the stairs and interlinked smoke alarms before it signs off, so make sure both are priced in.
Home office. The weavers and watchmakers who built this city's suburbs worked at the top of the house, where the light was best. A rooflit loft office is the same idea. Run data cable up before plastering.
Read our full guide: Loft Home-Office Conversion: What Works Well Up There and What to Specify →
En-suite. The soil pipe route decides where a shower room can sit in a narrow terrace. Settle that at the first visit, not once the stairs are in.
Mansard. Always a full planning application. A mansard alters the roofline of a whole uniform row of terraces, and in a conservation area I wouldn't expect an easy hearing.
Planning. Most rear dormers here go under permitted development. The exceptions are the 19 conservation areas and listed buildings, plus any house whose original consent took those rights away.
Cost. We don't print a Coventry price. A steel-framed BISF semi in Canley and an 1850s Earlsdon terrace are different jobs, and three quotes from people who have been up in your loft will tell you more than any average.
Weavers' topshops and watchmakers' streets
The oldest suburbs grew out of the city's trades. Hillfields, begun in 1828, housed silk ribbon weavers whose looms stood in topshops on the upper floor behind big windows. Chapelfields followed from 1847 for the watchmakers. The Coventry Society notes that most of its houses are two storeys at the front and three at the back, where the workshop was. At Kingfield, beside the canal, the Cash brothers opened 48 cottage factories in 1857. They are Grade II listed, so any roof work there needs listed building consent.
Earlsdon came from a different route. The Coventry Freehold Land Society bought 30 acres of farmland in 1851, and by 1918 the suburb was finished. Its late Victorian and Edwardian red brick is little changed, which is why it became a conservation area in November 2022 with its own Article 4 direction. To a loft builder these are the best roofs in the city, and the most closely watched.
Council rules and the HMO wards
Planning goes to Coventry City Council. Search its online register by street name. What your neighbours were allowed to build is the best guide to what will pass on yours.
One local rule catches people out. An Article 4 direction on small HMOs covers eleven wards: Cheylesmore, Earlsdon, Foleshill, Lower Stoke, Radford, St Michael's, Sherbourne, Upper Stoke, Wainbody, Westwood and Whoberley. It doesn't stop you building a dormer. It does mean that turning a family house into a let for three or more sharers needs planning permission in those wards.
Building control is the council's own service. Phone 024 7683 2057 on weekdays, or book inspections with the online form. When the work is signed off you get a completion certificate. File it with the deeds, because a buyer's solicitor will ask for it.
Where these facts come from
- Coventry City Council, list of conservation areas
- Coventry City Council, Article 4 directions
- Coventry City Council, HMO Article 4 policy
- Coventry City Council, building control
- Coventry City Council, online planning register
- Census 2021 accommodation type, Coventry
- Imperial War Museum, the Blitz around Britain
- Coventry Society, Chapelfields
- Historic England, England's domestic textile industry
- Planning Portal, loft conversions
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Questions people in Coventry ask
I live in Earlsdon. Can I still put a dormer on the back?
Not under permitted development any more. Since Earlsdon became a conservation area in 2022, a roof enlargement there needs a planning application, and the area also has an Article 4 direction. Talk to the council's conservation team before you pay for drawings.
My Chapelfields house already has three floors at the back. Is there a loft left to convert?
Sometimes. The old workshop floor at the back often takes up the space you'd otherwise use, so a surveyor needs to measure the height under the main roof over the front of the house. Chapelfields has been a conservation area since 1976, so any change to the roof shape needs permission.
We want to convert the loft and let rooms to students. Do we need permission?
Possibly for the use, even if not for the dormer. In the eleven wards covered by the HMO Article 4 direction, including Earlsdon, Radford and Upper Stoke, changing a house into a small HMO needs planning permission.
Can a BISF steel house in Canley have a loft conversion?
It can be looked at, but treat it as a specialist job. BISF houses are built around a steel frame, so a structural engineer has to check how the new floor and any dormer load into it. Ask each firm if they've done one before.
We've bought a new house at Eastern Green or Keresley. Can we convert the loft?
Check two things first. Newer houses usually have trussed roofs, which means taking the trusses out and putting a steel frame in. And some estate consents remove permitted development rights. The conditions are on the planning register.