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What you could build on Pemberton Road: the planning rules at this address, what neighbours have built and how big, planning decisions nearby, rough costs and the value an extension adds, and how to get started. In Winstanley, Wigan.
Checks tied to a spot (flood, radon, ground, noise, distances) are measured at WN3 6DA, where most of the street's homes are. A long street can differ from end to end: open a postcode for its own improving page.
● work seen on energy certificates · ● application approved · ● refused · ● pending or other · ● this postcode
| Home | Work | Seen | Space added | Floor area | Rooms | Distance |
|---|---|---|---|---|---|---|
| 5, Moreton Close | Extension | 2026 | +24 m² | 140 m² → 164 m² | 5 → 7 | 302 m |
| 26a, Pemberton Road | Extension | 2025 | +65 m² | 51 m² → 116 m² | – | 1 m |
| 15, Skyes Crescent | Extension | 2025 | +24 m² | 75 m² → 99 m² | 4 → 6 | 523 m |
| 84, Pemberton Road | Extension | 2023 | +17 m² | 104 m² → 121 m² | – | 1 m |
| 142, Pemberton Road | Extension | 2023 | +13 m² | 52 m² → 65 m² | 3 → 3 | 377 m |
| 20, Castleton Way | Extension | 2022 | +12 m² | 68 m² → 80 m² | 4 → 4 | 259 m |
Planning applications outside London aren't published as open data yet, so search the council's own register: the drawings, decision and the agent are there. Find your council's planning register on GOV.UK ↗
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). How extensions pay off by size, type and region.
Build costs are rough 2026 ranges from industry guides, not quotes. Get three quotes for your plans.
The money you don't get back either way, for the same extra space in Winstanley.
| Stamp duty on the new home | £4,250 |
|---|---|
| Estate agent on yours 1.2% + VAT | £3,312 |
| Solicitors, buying and selling | £3,000 |
| Survey | £600 |
| Removals | £1,500 |
| Money gone | £12,662 |
| Building, plus 15% for design, planning and contingency | £57,500 |
|---|---|
| Less what it adds to your home's value 60% of the local price | −£33,000 |
| Money gone | £24,500 |
On these figures, moving loses about £11,838 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.
Find help: RIBA Find an Architect ↗ · CIAT architectural technologists ↗ · TrustMark tradespeople ↗ · Federation of Master Builders ↗ · Planning Portal guides ↗
General guidance, not planning or legal advice. Fees and rules as checked in October 2026; confirm with the council.
Energy certificates: MHCLG (OGL). Planning applications: GLA Planning London Datahub. Conservation areas and Article 4: planning.data.gov.uk (OGL).
| Extension |
| 2021 |
| +88 m² |
| 102 m² → 190 m² |
| – |
| 377 m |
| 20, Pine View | Loft conversion | 2020 | +5 m² | 67 m² → 72 m² | 4 → 4 | 258 m |
| 1, Cambrian Crescent | Extension | 2020 | +13 m² | 123 m² → 136 m² | 7 → 7 | 393 m |
| 23, Burley Crescent | Extension | 2020 | +43 m² | 42 m² → 85 m² | 4 → 6 | 410 m |
| 36, Petworth Avenue | Loft conversion | 2019 | – | 67 m² → 67 m² | 5 → 5 | 556 m |
| 9, Amesbury Drive | Extension | 2017 | +55 m² | 77 m² → 132 m² | 4 → 5 | 503 m |
| 5, Hollington Way | Extension | 2016 | +16 m² | 65 m² → 81 m² | – | 225 m |
| 16, Shefford Crescent | Loft conversion | 2016 | +1 m² | 66 m² → 67 m² | 4 → 4 | 345 m |
| 24, Skyes Crescent | Extension | 2016 | +21 m² | 67 m² → 88 m² | 5 → 6 | 523 m |
From energy certificates: an extension where a later certificate shows more floor space, a loft conversion where roof rooms appear. Certificates come with sales, lettings and some building work, so the year is when it was first seen.
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.