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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.
| Blyth Newsham | Northumberland | England and Wales | |
|---|---|---|---|
| Postcodes in a conservation area | 0% | 12% | 10% |
| Postcodes under an Article 4 direction | 0% | 1% | 16% |
| Listed buildings | 4 | 48 | 12 |
| Postcodes in a tree preservation order zone | 0% | 1% | 3% |
| Flats | 12% | 10% | 22% |
| Building | Grade | Distance |
|---|---|---|
| War Memorial in Miners Welfare Park | II | 440 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 |
|---|---|---|---|---|
| 9, Font Drive | Loft conversion | 2026 | – | – |
| 11, Font Drive | Loft conversion | 2026 | – | – |
| 31, Holystone Avenue | Extension | 2026 | +15 m² | 4 → 4 |
| 15, Halton Grove | Extension | 2026 | +27 m² | – |
| 61, Haggerston Road | Loft conversion | 2026 | +4 m² | – |
| 632, Plessey Road | Extension | 2025 | +11 m² | 3 → 3 |
| 512, Plessey Road | Extension | 2025 | +9 m² | 2 → 3 |
| 60, Haggerston Road | Loft conversion | 2025 | – | – |
| 17, Halton Grove | Extension | 2025 | +30 m² | – |
| 65, Haggerston Road | Loft conversion | 2025 | +3 m² | – |
| 63, Haggerston 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 ↗
| Blyth Newsham | Northumberland | England and Wales | |
|---|---|---|---|
| Rated A or B | 35% | 15% | 12% |
| Rated E, F or G | 4% | 16% | 16% |
| Homes on mains gas | 98% | 82% | 86% |
| Gas use per home (kWh a year) | 9,639 | 11,357 | 11,043 |
| Households in fuel poverty | 6% | 9% | 10% |
| Homes built before 1919 | 7% | 21% | 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 North East, 6.4% (4,384 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 Blyth Newsham.
| Stamp duty on the new home | £2,650 |
|---|---|
| Estate agent on yours 1.2% + VAT | £2,952 |
| Solicitors, buying and selling | £3,000 |
| Survey | £600 |
| Removals | £1,500 |
| Money gone | £10,702 |
| Building, plus 15% for design, planning and contingency | £57,500 |
|---|---|
| Less what it adds to your home's value 60% of the local price | −£28,800 |
| Money gone | £28,700 |
On these figures, moving loses about £17,998 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.
| Loft conversion |
| 2025 |
| +3 m² |
| – |
| 55, Haggerston Road | Extension | 2025 | +32 m² | – |
|---|
| 7, Wooler Grange | Extension | 2025 | +31 m² | – |
|---|
| 27, Newcastle Road | Extension | 2025 | +24 m² | 4 → 5 |
|---|
| 13, Whitton Avenue | Extension | 2024 | +9 m² | 4 → 5 |
|---|
| 26, Haggerston Road | Loft conversion | 2024 | – | – |
|---|
| 18, Bishopdale Avenue | Extension | 2024 | +14 m² | 4 → 5 |
|---|
| 6, Beaufront Walk | Extension | 2024 | +8 m² | – |
|---|
| 10, St Bedes Road | Extension | 2023 | +10 m² | 3 → 4 |
|---|
| 3, Pecket Close | Extension | 2022 | +8 m² | – |
|---|
| 42, Stanton Avenue | Extension | 2022 | +31 m² | 7 → 6 |
|---|
| 7, Font Drive | Loft conversion | 2022 | – | – |
|---|
| 47, Haggerston Road | Loft conversion | 2022 | – | – |
|---|
| 51, Haggerston Road | Loft conversion | 2022 | +2 m² | – |
|---|
| 55, Shelley Crescent | Extension | 2022 | +67 m² | 4 → 8 |
|---|
| 1, Berwick Court | Loft conversion | 2022 | – | 6 → 5 |
|---|
| 6, Tarset Walk | Extension | 2022 | +17 m² | – |
|---|
| 9, Kielder Close | Extension | 2021 | +8 m² | 5 → 5 |
|---|
| 733, Plessey Road | Extension | 2020 | +43 m² | 3 → 4 |
|---|
| 92, Holystone Avenue | Extension | 2019 | +15 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 | 1.1% | 1.4% | 1.2% |
| Heated by a heat pump | 1.0% | 1.4% | 1.0% |
| Mains gas | 97.2% | 81.8% | 84.0% |
| Oil or LPG | 0.2% | 10.4% | 4.1% |
| Electric heating | 1.5% | 4.8% | 8.3% |
| Community heating | 0.0% | 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.