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
47hours of spills in 2025 between them (typical neighbourhood: about 36)
6spill events counted
Southern Water
Pound Road Bursledon Ceointo Unnamed Trib Of River Itchen6 spills, 47 hours in 2025
49 planned, approved or being built and 8 running (57 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 650 m away
Rooftop solar
Antelope Retail Park, Bursledon Road - Solar Photovoltaic PanelsApproved, not yet built · 670 kW
Apr 2026 1000 m away
Rooftop solar
Unit 1, Strategic Park, Comines Way - Solar PanelsApproved, not yet built · 340 kW
Sept 2022 2.2 km away
Rooftop solar
Strategic Park, Comines Way - Solar Photovoltaic PanelsPlanning application in · 410 kW
Oct 2022 2.2 km away
Battery storage
Hamble Lane Battery Energy StorageApproved, not yet built · 6 MW
Nov 2019 2.3 km away
Battery storage
Hound RoadPlanning application in
Sept 2020 2.4 km away
Rooftop solar
Utilita Bowl, Marshall Drive - Solar PanelsApproved, not yet built · 430 kW
May 2024 2.9 km away
Rooftop solar
Sainsbury Supermarket, Tollbar Way - Solar PV PanelsApproved, not yet built · 840 kW
Mar 2025 3.2 km away
Rooftop solar
Holiday Inn Express, Botley Road - Solar PanelsApproved, not yet built · 240 kW
May 2025 3.3 km away
Rooftop solar
National Air Traffic Services, Sopwith Way - Solar PanelsApproved, not yet built · 990 kW
Aug 2023 3.6 km away
Road and street works within 1 km
7 permitted works running now or planned, 2 of them major.
Major, planned
Botley Road, SouthamptonUtility repair and maintenance works · SCOTTISH AND SOUTHERN POWER DISTRIBUTION (SSEPD) · Road closure
Jan 2027 to Jan 2027 300 m away
Major
Botley Road, SouthamptonHighway improvement works · SOUTHAMPTON CITY COUNCIL · Road closure
Oct 2026 to Oct 2026 400 m away
Standard
Warburton Road, SouthamptonUtility repair and maintenance works · SCOTTISH AND SOUTHERN POWER DISTRIBUTION (SSEPD) · Some carriageway incursion
Oct 2026 to Oct 2026 500 m away
Minor
Bursledon Road, SouthamptonHighway improvement works · SOUTHAMPTON CITY COUNCIL · Multi-way signals
Oct 2026 to Oct 2026 400 m away
Minor
Butts Road, SouthamptonHighway improvement works · SOUTHAMPTON CITY COUNCIL · Two-way signals
Oct 2026 to Oct 2026 650 m away
Immediate - emergency
Heathfield Road, SouthamptonHighway improvement works · SOUTHAMPTON CITY COUNCIL · Some carriageway incursion
Aug 2026 to Dec 2026 750 m away
Minor
Butts Road, SouthamptonHighway improvement works · SOUTHAMPTON CITY COUNCIL · Two-way signals
Oct 2026 to Oct 2026 900 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
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 13.2 km away
Decided
M3 Junction 9 ImprovementHighways · Adjacent to Winnal industrial estate, Winchester, north of Alresford Road B3404
decided May 2024 19.6 km away
Decision
AQUIND InterconnectorElectric Lines · From the UK seaward limit in the English Channel to Lovedean Substation.
application due Q4 2019 20.7 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 Hightown: +23% over five years (2020 → 2025).
Council tax list: 60 homes added in the neighbourhood since April 2024.
Population (GP registrations): +1.8% in two years.