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
4storm overflows within 2 km
0hours of spills in 2025 between them (typical neighbourhood: about 36)
4spill events counted
Southern Water
Wessex Lane Southampton Outside 11into Saline Estuary2 spills, 0 hours in 2025
1.6 km away
Southern Water
Chestnut Avenue Ceointo The Monks Brook2 spills, 0 hours in 2025
650 m away
Southern Water
Wessex Lane Southamptoninto Saline Estuary0 spills, 0 hours in 2025
1.5 km away
Southern Water
Wessex Lane Southampton Outside 15into Saline Estuary0 spills, 0 hours in 2025
45 planned, approved or being built and 11 running (86 MW between them). Those within 5 km are on the map above.
Rooftop solar
Airways Distribution Park, Wide Lane - Solar PanelsApproved, not yet built · 340 kW
Jun 2023 1.2 km away
Rooftop solar
Airways Distribution Park, Wide Lane, Unit 1 - Solar PanelsApproved, not yet built · 450 kW
Jan 2025 1.2 km away
Rooftop solar
Pei Genesis UK Limited, George Curl Way - Solar PanelsApproved, not yet built · 270 kW
Jan 2023 1.2 km away
Rooftop solar
Chandlers Ford - Solar panelsApproved, not yet built · 200 kW
Jun 2022 1.4 km away
Solar farm
Itchen Power, West End - Solar PanelsApproved, not yet built · 200 kW
Jan 2022 2.5 km away
Rooftop solar
Cooper Vision, Speedwell Close - Solar PanelsApproved, not yet built · 640 kW
Oct 2024 2.6 km away
Rooftop solar
Allington Lane, West End - Solar panelsApproved, not yet built · 500 kW
Nov 2021 2.8 km away
Rooftop solar
Unit 2b, School Lane - Solar PanelsApproved, not yet built · 320 kW
Jun 2023 3.0 km away
Rooftop solar
Grosvenor House & Belmont House, Portswood Road - Solar PanelsApproved, not yet built · 160 kW
Apr 2025 3.3 km away
Rooftop solar
Holiday Inn Express, Botley Road - Solar PanelsApproved, not yet built · 240 kW
May 2025 4.7 km away
Road and street works within 1 km
7 permitted works running now or planned.
Standard
Wide Lane, EastleighHighway repair and maintenance works · NATIONAL HIGHWAYS · No carriageway incursion
Nov 2026 to Nov 2026 650 m away
Standard
Wide Lane, EastleighHighway repair and maintenance works · NATIONAL HIGHWAYS · No carriageway incursion
Dec 2026 to Dec 2026 700 m away
Standard
Wide Lane, EastleighHighway improvement works · HAMPSHIRE COUNTY COUNCIL · Lane closure
Oct 2026 to Oct 2026 700 m away
Standard
Wide Lane, EastleighHighway repair and maintenance works · NATIONAL HIGHWAYS · Lane closure
Nov 2026 to Nov 2026 800 m away
Minor
Stoneham Way, EastleighHighway improvement works · HAMPSHIRE COUNTY COUNCIL · Lane closure
Nov 2026 to Nov 2026 850 m away
Minor
Wide Lane, EastleighHighway repair and maintenance works · HAMPSHIRE COUNTY COUNCIL · Lane closure
Oct 2026 to Oct 2026 850 m away
Minor
Nightingale Avenue, EastleighWorks for road purposes · HAMPSHIRE COUNTY COUNCIL · Some carriageway incursion
Oct 2026 to Oct 2026 950 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 14.1 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 18.3 km away
Decision
AQUIND InterconnectorElectric Lines · From the UK seaward limit in the English Channel to Lovedean Substation.
application due Q4 2019 23.8 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 Eastleigh West: +16% over five years (2020 → 2025).
Council tax list: 190 homes added in the neighbourhood since April 2024.
Population (GP registrations): +2.5% in two years.
Southampton General Hospital, Tremona Road - Solar PanelsApproved, not yet built · 250 kW
Feb 2024 4.8 km away
Battery storage
Misslebrook Farm, Botley Road - Battery StorageApproved, not yet built · 60 MW
Apr 2024 4.8 km away
Running nearest: Chalcroft Solar Park (solar farm, 4.7 km); Field House Solar / Hursley Road (solar farm, 6.0 km); Fairoak Landfill (landfill gas, 6.4 km); Grove Solar Park (Phase 1) (solar farm, 7.4 km); Grove Solar Park (Phase 2) (solar farm, 7.4 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.