Spotted when a home's energy certificate shows at least 15 m² (and 15%) more floor area than an earlier one. Only homes with two certificates show up, so the real number is higher. A busy street suggests extensions get permission here; check the council's planning register for the details.
Storm overflows within 2 km
2storm overflows within 2 km
0hours of spills in 2025 between them (typical neighbourhood: about 36)
No road or street works with a permit running now or planned within 1 km (England; permits granted up to the end of September 2026).
DfT Street Manager permits (OGL), England. Dates are the planned ones; works often finish early or overrun.
Major infrastructure projects within 30 km
Decided
M3 Junction 9 ImprovementHighways · Adjacent to Winnal industrial estate, Winchester, north of Alresford Road B3404
decided May 2024 15.6 km away
Pre-examination
Hampshire Water Transfer and Water Recycling ProjectDams and Reservoirs · The project is located in Hampshire, South East England, extending from Havant on the south coast, to Otterbourne near Winchester. The proposed Water Recycling Plant would be located off Harts Farm Way in Havant.
application due in May 2026 27.2 km away
Planning Inspectorate list of nationally significant infrastructure projects (roads, railways, energy, water, waste), October 2026 (OGL). Each is placed at one point, usually the middle of the site; long schemes run well beyond it.
Transport schemes within 20 km
None on our list yet. We're starting with recently opened and under-construction rail schemes.
The longer view
Like-for-like prices in Romsey Cupernham & Halterworth: +19% over five years (2020 → 2025).
Council tax list: 0 homes added in the neighbourhood since April 2024.
Population (GP registrations): -1.3% in two years.
Unit 2b, School Lane - Solar PanelsApproved, not yet built · 320 kW
Jun 2023 6.7 km away
Rooftop solar
Cooper Vision, Speedwell Close - Solar PanelsApproved, not yet built · 640 kW
Oct 2024 6.7 km away
Running nearest: Highwood Lane (solar farm, 1.9 km); Squabb Wood (landfill gas, 3.0 km); Grove Solar Park (Phase 1) (solar farm, 3.7 km); Grove Solar Park (Phase 2) (solar farm, 3.7 km); Field House Solar / Hursley Road (solar farm, 6.4 km).
DESNZ Renewable Energy Planning Database, April to June 2026 (OGL). Projects of 150 kW and over; refused, withdrawn and abandoned ones are left out.