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
89hours of spills in 2025 between them (typical neighbourhood: about 36)
34 planned, approved or being built and 8 running (96 MW between them). Those within 5 km are on the map above.
Rooftop solar
CooperVision, Ensign Way - Solar PanelsApproved, not yet built · 1 MW
Sept 2024 2.0 km away
Rooftop solar
South Point, Hamble-Le-Rice - Solar PanelsApproved, not yet built · 500 kW
Sept 2024 2.0 km away
Battery storage
Hamble Lane Battery Energy StorageApproved, not yet built · 6 MW
Nov 2019 3.5 km away
Battery storage
Hound RoadPlanning application in
Sept 2020 3.6 km away
Solar farm
ATS, Sopwith Way - Ground Mounted Solar Photovoltaic ArraysApproved, not yet built · 3 MW
Jun 2024 3.9 km away
Rooftop solar
National Air Traffic Services, Sopwith Way - Solar PanelsApproved, not yet built · 990 kW
Aug 2023 4.1 km away
Rooftop solar
Concorde Way, Segensworth - Solar PanelsBeing built · 1 MW
Mar 2023 4.2 km away
Rooftop solar
Octagon House, Concorde Way - Solar PanelsApproved, not yet built · 410 kW
Dec 2023 4.4 km away
Rooftop solar
CooperVision, Concorde Way - Unit 8 - Solar PanelsApproved, not yet built · 900 kW
Jun 2025 4.5 km away
Rooftop solar
Fusion, Parkway - Solar PanelsApproved, not yet built · 190 kW
Jul 2023 4.6 km away
Rooftop solar
Road and street works within 1 km
11 permitted works running now or planned, 5 of them major.
Major
Osborne Road, WarsashUtility repair and maintenance works · SOUTHERN GAS NETWORKS PLC · Multi-way signals
Oct 2026 to Dec 2026 450 m away
Major, planned
Warsash Road, WarsashHighway repair and maintenance works · HAMPSHIRE COUNTY COUNCIL · Road closure
Feb 2027 to Feb 2027 450 m away
Major
Warsash Road, WarsashHighway repair and maintenance works · HAMPSHIRE COUNTY COUNCIL · Road closure
Feb 2027 to Feb 2027 450 m away
Major
Spenser Close, WarsashUtility repair and maintenance works · SOUTHERN GAS NETWORKS PLC · Give and take
Sept 2026 to Nov 2026 550 m away
Major
Brook Lane, WarsashUtility repair and maintenance works · SOUTHERN GAS NETWORKS PLC · Multi-way signals
Sept 2026 to Nov 2026 600 m away
Standard
Meadcroft Close, WarsashUtility repair and maintenance works · SOUTHERN GAS NETWORKS PLC · Multi-way signals
Nov 2026 to Dec 2026 400 m away
Standard
Dibles Road, WarsashUtility repair and maintenance works · SOUTHERN WATER · Two-way signals
Oct 2026 to Oct 2026 450 m away
Standard
Brook Lane, WarsashUtility asset works · SCOTTISH AND SOUTHERN POWER DISTRIBUTION (SSEPD) · Two-way signals
Nov 2026 to Nov 2026 500 m away
Standard
Beechwood Close Footpath, WarsashUtility repair and maintenance works · SOUTHERN GAS NETWORKS PLC · No carriageway incursion
Apr 2027 to Apr 2027700 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 10.6 km away
Decision
AQUIND InterconnectorElectric Lines · From the UK seaward limit in the English Channel to Lovedean Substation.
application due Q4 2019 19.7 km away
Decided
M3 Junction 9 ImprovementHighways · Adjacent to Winnal industrial estate, Winchester, north of Alresford Road B3404
decided May 2024 24.5 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 Warsash: +18% over five years (2020 → 2025).
Council tax list: 250 homes added in the neighbourhood since April 2024.
Population (GP registrations): +3.8% in two years.