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
3storm overflows within 2 km
88hours of spills in 2025 between them (typical neighbourhood: about 36)
21spill events counted
Southern Water
Woolston Wwtwinto River Itchen Estuary18 spills, 78 hours in 2025
1.3 km away
Southern Water
Chapel Wharf Wpsinto River Itchen Estuary3 spills, 10 hours in 2025
1.4 km away
Southern Water
Woolston Wwtwinto River Itchen Estuary0 spills, 0 hours in 2025
47 planned, approved or being built and 10 running (62 MW between them). Those within 5 km are on the map above.
Battery storage
Butts Field, Mill Lane - Battery StorageApproved, not yet built · 99 MW
Oct 2024 1.7 km away
Rooftop solar
Lucia Foster Welch Student Hall Of Residence - Solar PanelsApproved, not yet built
Sept 2022 1.8 km away
Rooftop solar
Saxon House, Lower York Street - Solar Photovoltaic PanelsApproved, not yet built
May 2021 2.0 km away
Rooftop solar
Antelope Retail Park, Bursledon Road - Solar Photovoltaic PanelsApproved, not yet built · 670 kW
Apr 2026 2.2 km away
Rooftop solar
Harbour Parade - Solar PhotovoltaicsApproved, not yet built
Jul 2025 3.0 km away
Rooftop solar
West Quay Retail Park, Harbour Parade - Solar PanelsApproved, not yet built
Dec 2025 3.0 km away
Battery storage
Hound RoadPlanning application in
Sept 2020 3.4 km away
Battery storage
Hamble Lane Battery Energy StorageApproved, not yet built · 6 MW
Nov 2019 3.6 km away
Rooftop solar
Grosvenor House & Belmont House, Portswood Road - Solar PanelsApproved, not yet built · 160 kW
Apr 2025 3.6 km away
Rooftop solar
Buildings J K And Z Tesla Centre, Herbert Walker Avenue - Solar PanelsApproved, not yet built · 840 kW
Jan 2023 3.8 km away
Road and street works within 1 km
12 permitted works running now or planned, 4 of them major.
Major, planned
Fort Road, SouthamptonHighway improvement works · SOUTHAMPTON CITY COUNCIL · Road closure
Oct 2026 to Oct 2026 350 m away
Major
Portsmouth Road, SouthamptonUtility repair and maintenance works · SOUTHERN WATER · Road closure
Nov 2026 to Nov 2026 350 m away
Major, planned
Longmore Avenue, SouthamptonHighway improvement works · SOUTHAMPTON CITY COUNCIL · Road closure
Nov 2026 to Nov 2026 750 m away
Major
Sholing Road, SouthamptonUtility repair and maintenance works · SOUTHERN GAS NETWORKS PLC · Multi-way signals
Sept 2026 to Nov 2026 850 m away
Standard
Porchester Road, SouthamptonUtility repair and maintenance works · SOUTHERN WATER · Some carriageway incursion
Nov 2026 to Nov 2026 150 m away
Standard
Fern Road, SouthamptonDisconnection or alteration of supply · SCOTTISH AND SOUTHERN POWER DISTRIBUTION (SSEPD) · Some carriageway incursion
Oct 2026 to Nov 2026 200 m away
Standard
College Road, SouthamptonHighway improvement works · SOUTHAMPTON CITY COUNCIL · Some carriageway incursion
Oct 2026 to Oct 2026 600 m away
Standard
Pinegrove Road, SouthamptonHighway improvement works · SOUTHAMPTON CITY COUNCIL · Some carriageway incursion
Oct 2026 to Oct 2026 650 m away
Standard
South East Road, SouthamptonUtility repair and maintenance works · SOUTHERN WATER · Two-way signals
Nov 2026 to Dec 20261000 m away
Major infrastructure projects within 30 km
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 15.5 km away
Decided
M3 Junction 9 ImprovementHighways · Adjacent to Winnal industrial estate, Winchester, north of Alresford Road B3404
decided May 2024 20.1 km away
Decision
AQUIND InterconnectorElectric Lines · From the UK seaward limit in the English Channel to Lovedean Substation.
application due Q4 2019 23.1 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 Woolston: +22% over five years (2020 → 2025).
Council tax list: 100 homes added in the neighbourhood since April 2024.
Population (GP registrations): +1.6% in two years.