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
101hours of spills in 2025 between them (typical neighbourhood: about 36)
56spill events counted
Northumbrian Water
Beehive Csointo Brierdene Burn35 spills, 94 hours in 2025
1.9 km away
Northumbrian Water
Westbourne Estate Ssointo Seaton Burn18 spills, 6 hours in 2025
600 m away
Northumbrian Water
Northside Place Csointo Seaton Burn2 spills, 1 hours in 2025
250 m away
Northumbrian Water
Holywell House (Cso)into Brierdene Burn (Coastal Strea)1 spills, 0 hours in 2025
1.8 km away
Northumbrian Water
Holywell Pumping Stationinto Seaton Burn0 spills, 0 hours in 2025
1.2 km away
Northumbrian Water
Ten Acre Farm Combined Sewer Overflinto Brierdene Burn0 spills, 0 hours in 2025
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 Holywell & Hartley: +30% over five years (2020 → 2025).
Council tax list: 70 homes added in the neighbourhood since April 2024.
Population (GP registrations): +2.0% in two years.