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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.
| Thornton | Bradford | England and Wales | |
|---|---|---|---|
| Postcodes in a conservation area | 14% | 11% | 10% |
| Postcodes under an Article 4 direction | 0% | 1% | 16% |
| Listed buildings | 138 | 26 | 12 |
| Postcodes in a tree preservation order zone | 0% | 0% | 3% |
| Flats | 9% | 15% | 22% |
| Building | Grade | Distance |
|---|---|---|
| 19-29, Back Field | II | 60 m |
| 1-13, Back Field | II | 70 m |
| 15, 17, 22 and 24 Backfield | II | 80 m |
| 112 and 114, Market Street Bd13 | II | 90 m |
| 94, Market Street Bd13 | II | 120 m |
| 55 and 57, Market Street Bd13 | II | 120 m |
| 53, Market Street Bd13 | II | 130 m |
| 90, 90a and 92, Market Street Bd13 | II | 130 m |
| 3-15, Havelock Square | II | 130 m |
| 17, 19 and 21 Havelock Square | II | 130 m |
| 45-51, Market Street Bd13 | II | 140 m |
| Former cottage row to the rear of 53 Market Street | II | 140 m |
Nearest 12 shown. 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 |
|---|---|---|---|---|
| 15, Chapel Terrace | Extension | 2026 | +16 m² | – |
| 14, Oakhall Park | Extension | 2026 | +8 m² | 7 → 7 |
| 20, Providence Terrace | Loft conversion | 2026 | +4 m² | 3 → 4 |
| 3, Harcourt Avenue | Loft conversion | 2026 | +4 m² | 5 → 5 |
| 23, Back Lane | Extension | 2026 | +94 m² | – |
| 14, Green Mount Road | Extension | 2026 | +26 m² | – |
| 89, Sapgate Lane | Extension | 2026 | +79 m² | 5 → 8 |
| 40, Albert Street | Loft conversion | 2025 | – | 5 → 6 |
| 3, High Street | Extension | 2025 | +19 m² | – |
| 2, Mary Street | Extension | 2025 | +13 m² | 3 → 3 |
| 351, Thornton Road |
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 ↗
| Thornton | Bradford | England and Wales | |
|---|---|---|---|
| Rated A or B | 13% | 7% | 12% |
| Rated E, F or G | 17% | 24% | 16% |
| Homes on mains gas | 94% | 94% | 86% |
| Gas use per home (kWh a year) | 12,647 | 13,033 | 11,043 |
| Households in fuel poverty | 11% | 13% | 10% |
| Homes built before 1919 | 34% | 31% | 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 Yorkshire & Humber, 8% (12,484 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 Thornton.
| Stamp duty on the new home | £2,220 |
|---|---|
| Estate agent on yours 1.2% + VAT | £2,736 |
| Solicitors, buying and selling | £3,000 |
| Survey | £600 |
| Removals | £1,500 |
| Money gone | £10,056 |
| Building, plus 15% for design, planning and contingency | £57,500 |
|---|---|
| Less what it adds to your home's value 60% of the local price | −£27,600 |
| Money gone | £29,900 |
On these figures, moving loses about £19,844 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.
| Extension |
| 2025 |
| +17 m² |
| – |
| 12, George Street | Loft conversion | 2025 | – | 5 → 6 |
|---|
| 54, West Lane | Extension | 2025 | +19 m² | 5 → 7 |
|---|
| 73, Back Lane | Loft conversion | 2025 | – | 5 → 5 |
|---|
| 63, Back Lane | Extension | 2025 | +25 m² | 5 → 5 |
|---|
| 476, Thornton Road | Extension | 2024 | +36 m² | – |
|---|
| 7, Firth Street | Loft conversion | 2024 | +3 m² | 5 → 6 |
|---|
| 16, Alpine Rise | Loft conversion | 2024 | – | 6 → 5 |
|---|
| 4, John Street | Extension | 2024 | +11 m² | 4 → 4 |
|---|
| 46, Sapgate Lane | Extension | 2024 | +35 m² | – |
|---|
| 402, Thornton Road | Extension | 2024 | +11 m² | 16 → 15 |
|---|
| 16, Back Lane | Extension | 2024 | +8 m² | 7 → 10 |
|---|
| 12, Mary Street | Loft conversion | 2023 | +3 m² | 3 → 3 |
|---|
| 8, George Street | Extension | 2023 | +21 m² | – |
|---|
| 70, Market Street | Extension | 2023 | +40 m² | 6 → 6 |
|---|
| 5, Briarmains, West Lane | Extension | 2023 | +73 m² | 3 → 6 |
|---|
| 5, Hugill Street | Extension | 2023 | +140 m² | 4 → 8 |
|---|
| 5, Hugill Street | Loft conversion | 2023 | +140 m² | 4 → 8 |
|---|
| 445, Thornton Road | Loft conversion | 2023 | +13 m² | 7 → 8 |
|---|
| 7, North Cliffe Avenue | Extension | 2023 | +14 m² | 5 → 5 |
|---|
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 | 1.6% | 1.0% | 1.2% |
| Heated by a heat pump | 0.0% | 0.2% | 1.0% |
| Mains gas | 94.4% | 91.6% | 84.0% |
| Oil or LPG | 1.1% | 0.4% | 4.1% |
| Electric heating | 4.1% | 7.4% | 8.3% |
| Community heating | 0.0% | 0.2% | 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.