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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.
| Balby Carr | Doncaster | England and Wales | |
|---|---|---|---|
| Postcodes in a conservation area | 0% | 7% | 10% |
| Postcodes under an Article 4 direction | 25% | 15% | 16% |
| Listed buildings | 3 | 5 | 12 |
| Postcodes in a tree preservation order zone | 0% | 4% | 3% |
| Flats | 15% | 9% | 22% |
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 |
|---|---|---|---|---|
| 42, Cavalier Court | Extension | 2026 | +39 m² | 5 → 5 |
| 11, Chelwood Court | Extension | 2026 | +26 m² | – |
| 37, Brander Close | Extension | 2026 | +26 m² | 7 → 5 |
| 34, Haigh Road | Extension | 2025 | +17 m² | – |
| 8, Byram Court | Extension | 2025 | +34 m² | – |
| 8, Byram Court | Loft conversion | 2025 | +34 m² | 5 → 6 |
| 14, Somin Court | Extension | 2025 | +26 m² | – |
| 38, Browning Avenue | Extension | 2024 | +44 m² | 5 → 7 |
| 14, Herrick Gardens | Extension | 2024 | +17 m² | 5 → 6 |
| 32, Newbolt Road | Extension | 2024 | +15 m² | – |
| 19, Sussex Street |
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 ↗
| Balby Carr | Doncaster | England and Wales | |
|---|---|---|---|
| Rated A or B | 22% | 13% | 12% |
| Rated E, F or G | 9% | 14% | 16% |
| Homes on mains gas | 97% | 96% | 86% |
| Gas use per home (kWh a year) | 10,377 | 10,519 | 11,043 |
| Households in fuel poverty | 15% | 12% | 10% |
| Homes built before 1919 | 17% | 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 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 Balby Carr.
| Stamp duty on the new home | £2,100 |
|---|---|
| Estate agent on yours 1.2% + VAT | £2,736 |
| Solicitors, buying and selling | £3,000 |
| Survey | £600 |
| Removals | £1,500 |
| Money gone | £9,936 |
| Building, plus 15% for design, planning and contingency | £57,500 |
|---|---|
| Less what it adds to your home's value 60% of the local price | −£24,000 |
| Money gone | £33,500 |
On these figures, moving loses about £23,564 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 |
| 2024 |
| +20 m² |
| 4 → 6 |
| 21, Oak Court | Loft conversion | 2024 | – | 4 → 5 |
|---|
| 18, Coronation Road | Extension | 2024 | +29 m² | – |
|---|
| 48, Cavalier Court | Extension | 2024 | +18 m² | – |
|---|
| 16, Woodfield Road | Loft conversion | 2024 | +12 m² | 5 → 4 |
|---|
| 51, Regent Street | Extension | 2024 | +13 m² | 4 → 4 |
|---|
| 123, Blossom Crescent | Extension | 2024 | +24 m² | – |
|---|
| 8, Gray Gardens | Extension | 2023 | +71 m² | – |
|---|
| 47, Somin Court | Extension | 2023 | +37 m² | 7 → 8 |
|---|
| 156, Woodfield Road | Extension | 2022 | +12 m² | 4 → 4 |
|---|
| 11, Coronation Road | Extension | 2022 | +34 m² | – |
|---|
| 46, Coronation Road | Extension | 2022 | +9 m² | 4 → 4 |
|---|
| 11, Crofters Court | Extension | 2022 | +20 m² | – |
|---|
| 14, Byram Court | Extension | 2022 | +8 m² | 5 → 5 |
|---|
| 9, Burton Terrace | Extension | 2022 | +10 m² | 3 → 3 |
|---|
| 9, Newbolt Road | Extension | 2021 | +10 m² | 4 → 5 |
|---|
| 50, Farnley Road | Extension | 2021 | +22 m² | – |
|---|
| 17, Brander Close | Extension | 2021 | +13 m² | 6 → 7 |
|---|
| 15, Haigh Road | Extension | 2021 | +19 m² | – |
|---|
| 4, Stonegate Mews | Extension | 2021 | +37 m² | – |
|---|
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 | 0.9% | 2.2% | 1.2% |
| Heated by a heat pump | 0.3% | 0.4% | 1.0% |
| Mains gas | 95.5% | 95.2% | 84.0% |
| Oil or LPG | 0.0% | 1.2% | 4.1% |
| Electric heating | 4.0% | 2.4% | 8.3% |
| Community heating | 0.1% | 0.1% | 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.