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
1storm overflows within 2 km
14hours of spills in 2025 between them (typical neighbourhood: about 36)
8spill events counted
Anglian Water
Letchworth-Norton Common Csointo The Pix Brook8 spills, 14 hours in 2025
DESNZ Renewable Energy Planning Database, April to June 2026 (OGL). Projects of 150 kW and over; refused, withdrawn and abandoned ones are left out.
Utility repair and maintenance works · UK POWER NETWORKS EASTERN & LONDON · Some carriageway incursion
Oct 2026 to Oct 2026 900 m away
Standard
Birds Hill, Letchworth Garden CityDisconnection or alteration of supply · CADENT GAS LIMITED · Two-way signals
Jan 2027 to Jan 2027 1000 m away
Minor
Wissen Drive, Letchworth Garden CityUtility repair and maintenance works · AFFINITY WATER - C · Some carriageway incursion
Oct 2026 to Oct 2026 600 m away
Minor
Berkeley, Letchworth Garden CityUtility repair and maintenance works · AFFINITY WATER - C · Some carriageway incursion
Oct 2026 to Oct 2026 750 m away
DfT Street Manager permits (OGL), England. Dates are the planned ones; works often finish early or overrun.
application due August 2027 28.6 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.