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
10storm overflows within 2 km
2,129hours of spills in 2025 between them (typical neighbourhood: about 36)
459spill events counted
Yorkshire Water
High Royd Sewage Treatment Worksinto River Calder57 spills, 548 hours in 2025
850 m away
Yorkshire Water
Brearley Main Sewer Csointo River Calder79 spills, 471 hours in 2025
1.9 km away
Yorkshire Water
High Royd Sewage Treatment Worksinto River Calder113 spills, 417 hours in 2025
700 m away
Yorkshire Water
High Royd Sewage Treatment Worksinto River Calder36 spills, 230 hours in 2025
850 m away
Yorkshire Water
New Road Csointo Luddenden Brook19 spills, 208 hours in 2025
1.4 km away
Yorkshire Water
Sowerby New Road Csointo River Calder66 spills, 73 hours in 2025
1.6 km away
Yorkshire Water
Ellen House Roadinto River Calder7 spills, 72 hours in 2025
50 m away
Yorkshire Water
Longbottom Bridge Csointo River Calder9 spills, 72 hours in 2025
Booth House Road, Sowerby BridgeNew service connection · YORKSHIRE WATER · Road closure
Nov 2026 to Nov 2026 850 m away
Major
Booth House Road, Sowerby BridgeNew service connection · YORKSHIRE WATER · Road closure
Nov 2026 to Nov 2026 850 m away
Standard
Burnley Road, Sowerby BridgeUtility asset works · ENERGY ASSETS PIPELINES LTD · Multi-way signals
Oct 2026 to Oct 2026 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
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 Sowerby & Luddendenfoot: +27% over five years (2020 → 2025).
Council tax list: 20 homes added in the neighbourhood since April 2024.
Population (GP registrations): +0.2% in two years.