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
3storm overflows within 2 km
518hours of spills in 2025 between them (typical neighbourhood: about 36)
130spill events counted
United Utilities
Castleton Wwtw Cstltinto Trub Brook Trib River Irwell45 spills, 318 hours in 2025
700 m away
United Utilities
Castleton South Junction Csointo Culverted Tributary Of Trub Brook40 spills, 122 hours in 2025
600 m away
United Utilities
Hartley Lane Csointo Trib Of Suddon Brook45 spills, 78 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.
application due November 2026 25.6 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 Castleton & Trub: +41% over five years (2020 → 2025).
Council tax list: 220 homes added in the neighbourhood since April 2024.
Population (GP registrations): +5.5% in two years.