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
6storm overflows within 2 km
592hours of spills in 2025 between them (typical neighbourhood: about 36)
61spill events counted
Southern Water
Thornham Wwtwinto Chichester Hbr Via Little Deep21 spills, 237 hours in 2025
1.9 km away
Southern Water
Cso Breakers Yard Nutbourneinto The Ham Brook19 spills, 189 hours in 2025
450 m away
Southern Water
Thornham Wwtwinto Chichester Hbr Via Little Deep12 spills, 119 hours in 2025
1.9 km away
Southern Water
School Lane Psinto Ham Brook2 spills, 23 hours in 2025
150 m away
Southern Water
Chidham Lane Sps Chidhaminto Ditch To Chichester Harbour3 spills, 18 hours in 2025
1.9 km away
Southern Water
Thornham Wwtwinto Chichester Hbr Via Little Deep4 spills, 6 hours in 2025
14 planned, approved or being built and 3 running (15 MW between them). Those within 5 km are on the map above.
Solar farm
Baker Barracks Solar DevelopmentApproved, not yet built · 2 MW
Feb 2021 2.9 km away
Rooftop solar
Walton Barn - Solar PanelsApproved, not yet built · 180 kW
Apr 2024 3.9 km away
Rooftop solar
Ham Farm, Bosham - Solar PanelsApproved, not yet built · 370 kW
Apr 2024 4.6 km away
Rooftop solar
Spire Portsmouth Hospital, Bartons Road - Solar Pv PanelsApproved, not yet built · 150 kW
Apr 2024 4.9 km away
Battery storage
Bedhampton Pumping Station, Meyrick Road - Battery Energy StoragePlanning application in · 150 MW
May 2025 5.7 km away
Solar farm
Palk Road, Bedhampton - Solar PanelsApproved, not yet built · 250 kW
Jan 2022 7.0 km away
Rooftop solar
Chichester College, Westgate Fields - Solar PanelsApproved, not yet built · 350 kW
Feb 2025 7.9 km away
Rooftop solar
Via Ravenna - Solar PanelApproved, not yet built · 170 kW
Apr 2022 7.9 km away
Rooftop solar
Dunsbury Park, Fitzwygram Way - Solar PanelsApproved, not yet built · 1 MW
Jun 2024 8.5 km away
Solar farm
Farlington Water Treatment Works, Gillman Road - Solar PanelsApproved, not yet built · 4 MW
Nov 2022 9.2 km away
Road and street works within 1 km
6 permitted works running now or planned, 5 of them major.
Major
School Lane, NutbourneUtility repair and maintenance works · SOUTHERN WATER · Road closure
Oct 2026 to Oct 2026 150 m away
Major, planned
Main Road, SouthbourneUtility asset works · SCOTTISH AND SOUTHERN POWER DISTRIBUTION (SSEPD) · Multi-way signals
Jan 2027 to Jan 2027 250 m away
Major
Main Road, NutbourneUtility repair and maintenance works · SOUTHERN WATER · Multi-way signals
Oct 2026 to Dec 2026 700 m away
Major, planned
Prinsted Lane, SouthbourneHighway improvement works · WEST SUSSEX COUNTY COUNCIL · Road closure
Nov 2026 to Nov 2026 950 m away
Major
Prinsted Lane, SouthbourneHighway improvement works · WEST SUSSEX COUNTY COUNCIL · Road closure
Nov 2026 to Nov 2026 950 m away
Standard
Inlands Road, NutbourneUtility asset works · SCOTTISH AND SOUTHERN POWER DISTRIBUTION (SSEPD) · Multi-way signals
Jan 2027 to Jan 2027 250 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
Decision
AQUIND InterconnectorElectric Lines · From the UK seaward limit in the English Channel to Lovedean Substation.
application due Q4 2019 13.0 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 18.0 km away
Decided
Rampion 2 Offshore Wind FarmGenerating Stations · Adjacent to the exisiting Rampion Wind Farm, approximately 13km off the Sussex Coast
decided Apr 2025 24.1 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 Southbourne, Bosham & Thorney: +16% over five years (2020 → 2025).
Council tax list: 120 homes added in the neighbourhood since April 2024.
Population (GP registrations): +0.6% in two years.