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
599hours of spills in 2025 between them (typical neighbourhood: about 36)
139spill events counted
Yorkshire Water
Barber Row No 2 Csointo River Colne72 spills, 351 hours in 2025
1.8 km away
Yorkshire Water
Spa Mills Bridge St Csointo River Colne45 spills, 188 hours in 2025
850 m away
Yorkshire Water
Stones Lane/Waingate Csointo Hoyle House Brook (Culverted)9 spills, 42 hours in 2025
1.9 km away
Yorkshire Water
Causeway Side 13 C.S.Ointo Hoyle House Brook12 spills, 17 hours in 2025
1.9 km away
Yorkshire Water
Copley Bank Csointo Unnamed Trib Of River Colne1 spills, 1 hours in 2025
1.9 km away
Yorkshire Water
Not Matched In Ea Consents Databaseinto Not Matched In Ea Consents Database0 spills, 0 hours in 2025
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 Slaithwaite & Linthwaite: +33% 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.