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
987hours of spills in 2025 between them (typical neighbourhood: about 36)
58spill events counted
Severn Trent Water
Whatstandwell Stwinto River Derwent58 spills, 987 hours in 2025
12 planned, approved or being built and 4 running (20 MW between them). Those within 5 km are on the map above.
Rooftop solar
Anthony Gell School, Wood Street - Solar PanelsApproved, not yet built · 200 kW
Apr 2026 3.9 km away
Solar farm
Derby Road - Solar PanelsPlanning application in · 38 MW
Mar 2025 7.6 km away
Battery storage
Derby Road - Battery Energy Storage SystemPlanning application in · 40 MW
Mar 2025 7.6 km away
Rooftop solar
Sainsbury, Cawdor Way - Solar PanelsApproved, not yet built · 180 kW
Apr 2024 7.6 km away
Rooftop solar
Ripley Leisure Centre, Derby Road - Solar PV PanelsApproved, not yet built · 240 kW
Sept 2023 7.8 km away
Solar farm
Swanwick CollieryPlanning application in · 1 MW
Jul 2015 8.2 km away
Solar farm
Brassington Works, Manystones Lane - Solar FarmApproved, not yet built · 4 MW
Oct 2024 8.3 km away
Rooftop solar
Alfreton Leisure Centre Car Park, Church Street - Solar PanelsApproved, not yet built · 390 kW
Sept 2023 8.4 km away
Rooftop solar
Hl Plastics Extrusions, Flamstead House Hall Road - Solar PanelsApproved, not yet built · 4 MW
Apr 2024 8.6 km away
Rooftop solar
SC Johnson, Denby - Solar PanelsBeing built · 620 kW
Sept 2022 8.6 km away
Solar farm
Road and street works within 1 km
No road or street works with a permit running now or planned within 1 km (England; permits granted up to the end of September 2026).
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
Chesterfield to WillingtonElectric Lines · Land between the Chesterfield Substation, south-east of Chesterfield and Willington Substation, east of Willington, Derbyshire.
Castle Way EnergyGenerating Stations · The proposed development includes five development sites (Sites A-E) which are situated in the rural expanse between Derby, Uttoxeter and Ashbourne.
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 Ambergate, Heage & Idridgehay: +24% over five years (2020 → 2025).
Council tax list: 140 homes added in the neighbourhood since April 2024.
Population (GP registrations): +4.7% in two years.