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
14storm overflows within 2 km
1,745hours of spills in 2025 between them (typical neighbourhood: about 36)
350spill events counted
Yorkshire Water
Halifax Copley Stwinto River Calder And Hebble Brook74 spills, 784 hours in 2025
1.9 km away
Yorkshire Water
Halifax Copley Stwinto River Calder And Hebble Brook89 spills, 430 hours in 2025
1.7 km away
Yorkshire Water
Halifax Copley Stwinto River Calder And Hebble Brook38 spills, 245 hours in 2025
2.0 km away
Yorkshire Water
Raglan Street Csointo Hebble Brook (Culverted)65 spills, 132 hours in 2025
DfT Street Manager permits (OGL), England. Dates are the planned ones; works often finish early or overrun.
Major infrastructure projects within 30 km
Pre-application
Calderdale Energy ParkGenerating Stations · Walshaw Moor, on either side of the three Walshaw Dean Reservoirs in the Metropolitan Borough of Calderdale, West Yorkshire.
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 Savile Park: +24% over five years (2020 → 2025).
Council tax list: 20 homes added in the neighbourhood since April 2024.
Population (GP registrations): +0.6% in two years.