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What can I build, and will it pay? The planning rules, what neighbours have built, planning decisions, energy upgrades, and whether extending pays.
| Hillfields | Coventry | England and Wales | |
|---|---|---|---|
| Postcodes in a conservation area | 2% | 5% | 10% |
| Postcodes under an Article 4 direction | 100% | 62% | 16% |
| Listed buildings | 11 | 3 | 12 |
| Postcodes in a tree preservation order zone | 0% | 2% | 3% |
| Flats | 32% | 18% | 22% |
| Building | Grade | Distance |
|---|---|---|
| Church of St Peter | II | 310 m |
| 1-3 Charles Street | II | 330 m |
| 67-72 Far Gosford Street | II | 620 m |
| 38 Far Gosford Street | II | 640 m |
| 39 and 40 Far Gosford Street | II | 640 m |
| 32 and 33 Far Gosford Street | II | 650 m |
| 122-124, Far Gosford Street | II | 650 m |
| Church of St Mark and boundary walls to Stoney Stanton Lane and Bird Street | II | 710 m |
| Former Nurses' Home and Outpatients' Clinic at Coventry and Warwickshire Hospital | II | 730 m |
Grade I and II* are the most important few per cent. Listing means consent is needed for most changes, inside and out. Contains Historic England data © Historic England 2026 (via planning.data.gov.uk), OGL.
planning.data.gov.uk (OGL), Historic England. The rules at one address are on its postcode's Improving page. General guidance, not planning advice.
| Home | Work | Seen | Space added | Rooms |
|---|---|---|---|---|
| 120, Nicholls Street | Extension | 2026 | +26 m² | – |
| 65, The Chantries | Extension | 2026 | +11 m² | 6 → 5 |
| 95, Cambridge Street | Loft conversion | 2026 | – | 6 → 5 |
| 67, Freehold Street | Extension | 2026 | +23 m² | 7 → 7 |
| 144, Nicholls Street | Extension | 2026 | +14 m² | 7 → 5 |
| 38, Britannia Street | Extension | 2026 | +48 m² | – |
| 1, King Richard Street | Extension | 2026 | +29 m² | – |
| 24, Lowther Street | Extension | 2026 | +35 m² | 5 → 8 |
| 21, Burlington Road | Extension | 2026 | +13 m² | 5 → 5 |
| 27, Walsgrave Road | Extension | 2026 | +31 m² | 6 → 7 |
Planning applications outside London aren't published as open data yet, so search the council's own register: the drawings, the decision and the agent are there. Find the council's planning register on GOV.UK ↗
| Hillfields | Coventry | England and Wales | |
|---|---|---|---|
| Rated A or B | 8% | 11% | 12% |
| Rated E, F or G | 11% | 13% | 16% |
| Homes on mains gas | 91% | 93% | 86% |
| Gas use per home (kWh a year) | 11,148 | 11,119 | 11,043 |
| Households in fuel poverty | 23% | 14% | 10% |
| Homes built before 1919 | 47% | 13% | 20% |
A home's own recommended upgrades and their costs are on its energy certificate, shown on its page.
MHCLG energy certificates; DESNZ fuel poverty.
Across England and Wales, homes extended by a typical 30 m² and then resold rose about 11.1% more than similar homes nearby over the same years (124,884 resales); in West Midlands, 8.9% (9,962 resales).
Rough build costs and resale evidence, not quotes or a valuation. How extensions pay off by size, type and region.
The money you don't get back either way, for the same extra space in Hillfields.
| Stamp duty on the new home | £1,260 |
|---|---|
| Estate agent on yours 1.2% + VAT | £2,088 |
| Solicitors, buying and selling | £3,000 |
| Survey | £600 |
| Removals | £1,500 |
| Money gone | £8,448 |
| Building, plus 15% for design, planning and contingency | £57,500 |
|---|---|
| Less what it adds to your home's value 60% of the local price | −£25,800 |
| Money gone | £31,700 |
On these figures, moving loses about £23,252 less. Moving also changes the area, the schools and the commute; extending means months of building work and depends on planning.
Building costs vary a lot (a single-storey rear extension is often £2,000–£3,000 per m², more in London). How much space adds depends on the home and street: what extensions added to resale prices. A guide, not advice; nothing you type leaves this page.
Where people extend most, and where the planning rules are tighter.
| 69, Chandos Street |
|---|
| Extension |
| 2026 |
| +27 m² |
| – |
| 57, Richmond Street | Extension | 2026 | +27 m² | – |
|---|
| 57, Richmond Street | Loft conversion | 2026 | +27 m² | 4 → 5 |
|---|
| 18, Camden Street | Extension | 2026 | +57 m² | – |
|---|
| 50, Villiers Street | Extension | 2026 | +23 m² | – |
|---|
| 57, Grafton Street | Extension | 2026 | +16 m² | 4 → 5 |
|---|
| 8a, Bramble Street | Extension | 2026 | +20 m² | – |
|---|
| 125, Walsgrave Road | Extension | 2026 | +10 m² | 5 → 6 |
|---|
| 3, Waterloo Street | Extension | 2025 | +10 m² | 5 → 6 |
|---|
| 47, Berry Street | Extension | 2025 | +11 m² | 4 → 7 |
|---|
| 77, Blythe Road | Extension | 2025 | +17 m² | – |
|---|
| 81, Blythe Road | Extension | 2025 | +15 m² | 3 → 3 |
|---|
| 21, Vauxhall Street | Extension | 2025 | +17 m² | – |
|---|
| 3, Nicholls Street | Extension | 2025 | +41 m² | – |
|---|
| 3, Nicholls Street | Loft conversion | 2025 | +41 m² | 4 → 6 |
|---|
| 112, Paynes Lane | Extension | 2025 | +17 m² | – |
|---|
| 19, Hartlepool Road | Extension | 2025 | +24 m² | – |
|---|
| 40, Wren Street | Loft conversion | 2025 | +183 m² | 1 → 9 |
|---|
| 4, Wren Street | Extension | 2025 | +43 m² | – |
|---|
| 4, Wren Street | Loft conversion | 2025 | +43 m² | 7 → 8 |
|---|
Not every extension shows here. We only see building work when a new energy certificate is lodged, which happens when a home is sold, let or newly built. A loft or extension added since then won't appear, even with planning permission and building control sign-off, because those records aren't published as open data outside London. Missing work doesn't mean missing paperwork.
From energy certificates: an extension where a later certificate shows more floor space, a loft conversion where roof rooms appear.
Sort by any column; open a neighbourhood for the same view.
| Neighbourhood | Council | England and Wales | |
|---|---|---|---|
| Homes with solar panels | 0.7% | 0.9% | 1.2% |
| Heated by a heat pump | 0.1% | 0.1% | 1.0% |
| Mains gas | 89.2% | 92.3% | 84.0% |
| Oil or LPG | 0.2% | 0.1% | 4.1% |
| Electric heating | 10.2% | 6.9% | 8.3% |
| Community heating | 0.3% | 0.4% | 2.1% |
From each home's latest energy certificate, so panels or heat pumps fitted since aren't counted and the shares are lower than today's real figures. Compare areas in the data explorer.