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
1storm overflows within 2 km
32hours of spills in 2025 between them (typical neighbourhood: about 36)
4spill events counted
Southern Water
Harestock Wastewater Treatment Workinto The River Itchen4 spills, 32 hours in 2025
10 planned, approved or being built and 3 running (50 MW between them). Those within 5 km are on the map above.
Battery storage
Stockbridge RoadApproved, not yet built · 10 MW
Dec 2017 1.7 km away
Rooftop solar
Micheldever Tyres Winchester, Winnall Warehouse - Solar PV PanelsApproved, not yet built
Jan 2026 2.1 km away
Rooftop solar
Winchester Sport And Leisure Park, Bar End Road - Solar PanelsPlanning application in · 190 kW
Apr 2026 3.4 km away
Rooftop solar
Sainsburys Supermarkets, Badger Farm Road - Solar PanelsApproved, not yet built · 600 kW
Jun 2024 4.1 km away
Solar farm
South Lynch Farm - Solar FarmApproved, not yet built · 20 MW
Oct 2024 5.5 km away
Rooftop solar
Unit 2 To 5, Hazeley Enterprise Park - PV panelsApproved, not yet built · 190 kW
Jul 2022 6.8 km away
Battery storage
Silkstead Farm, Poles Lane - Battery Energy Storage SystemApproved, not yet built · 50 MW
Mar 2025 7.6 km away
Solar farm
IBM Hursley - Solar PanelsApproved, not yet built
Jun 2024 8.1 km away
Battery storage
IBM Hursley - Battery StorageApproved, not yet built · 2 MW
Jun 2024 8.1 km away
Solar farm
Home Farm, Hursley Park Road - Solar PanelsApproved, not yet built · 5 MW
Jun 2025 8.8 km away
Running nearest: Three Maids Hill Solar Farm (solar farm, 3.9 km); Winchester Battery Storage (battery storage, 5.9 km); Field House Solar / Hursley Road (solar farm, 9.5 km).
Road and street works within 1 km
2 permitted works running now or planned, 1 of them major.
Major
Andover Road, WinchesterDiversionary works · SCOTTISH AND SOUTHERN POWER DISTRIBUTION (SSEPD) · Multi-way signals
Oct 2026 to Nov 2026 650 m away
Standard
Taplings Road, WinchesterHighway improvement works · HAMPSHIRE COUNTY COUNCIL · Give and take
Oct 2026 to Oct 2026 800 m away
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 2.4 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 26.6 km away
Decision
AQUIND InterconnectorElectric Lines · From the UK seaward limit in the English Channel to Lovedean Substation.
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 Winchester North & Sparsholt: +18% over five years (2020 → 2025).
Council tax list: 160 homes added in the neighbourhood since April 2024.
Population (GP registrations): +3.3% in two years.