What's changing near AL5 1BT
Within 2 km, around Harpenden Common in St Albans. Building, planning, schools, transport, prices and crime.
9new homes completed within 2 km, last 2 years
42homes given permission on brownfield sites since 2021
-1.6%like-for-like prices in Harpenden Common, 2024 → 2025 (council +1.5%)
+9%recorded crime, last 12 months vs the 12 before
On the map
New homesPlanning grantedExtended homeEnergy projectBlack pin: the postcode. Tap a dot for details.
Nearby, most recent first
- Planning permissionMar 2024
1.1 km away
New-home postcodes with fewer than 5 homes are counted above but not listed. 6 postcodes nearby had new homes completed in the last two years.
3homes extended 2021–2025, typically adding 135 m²
5since energy certificates began (2008)
0in AL5 1BT itself
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
No monitored sewer storm overflows within 2 km (England only).
Environment Agency event duration monitoring, 2025 annual return (OGL; © Environment Agency copyright and/or database right 2026). Overflows release diluted sewage into rivers and the sea when sewers are overwhelmed, mostly after heavy rain.
Solar, wind and battery projects within 10 km
31 planned, approved or being built and 5 running (13 MW between them). Those within 5 km are on the map above.
- Rooftop solar
Spire Harpenden Hospital - Solar PanelsApproved, not yet built · 260 kW
Jun 2024
3.6 km away - Rooftop solar
Sandringham school, The Ridgeway - Solar PanelsApproved, not yet built · 160 kW
Dec 2023
3.9 km away - Rooftop solar
Verulam School - Solar PanelsApproved, not yet built · 170 kW
Dec 2023
5.1 km away - Rooftop solar
The Maltings Shopping Centre - Solar ArrayApproved, not yet built · 330 kW
Aug 2023
5.1 km away - Rooftop solar
St Albans School, Abbey Gateway - Solar PanelsApproved, not yet built · 190 kW
Aug 2025
5.2 km away - Rooftop solar
Hatfield Road - Solar PanelsApproved, not yet built · 290 kW
Oct 2024
5.6 km away - Rooftop solar
Westminster Lodge Leisure Centre - Solar PanelsPlanning application in · 180 kW
Mar 2022
5.8 km away - Rooftop solar
St Albans Retail Park, Griffiths Way - Solar PanelsApproved, not yet built · 790 kW
Oct 2023
6.2 km away - Rooftop solar
The Range, Graham Close - Roof Mounted Solar PanelsApproved, not yet built · 470 kW
Jul 2024
6.2 km away - Rooftop solar
G Park, Maxted Road - Solar PanelsApproved, not yet built · 770 kW
Sept 2025
7.1 km away
Road and street works within 1 km
8 permitted works running now or planned, 5 of them major.
- Major
Limbrick Road, HarpendenUtility asset works · CADENT GAS LIMITED · Road closure
Jul 2027 to Aug 2027
500 m away - Major
Eastmoor Park, HarpendenUtility asset works · CADENT GAS LIMITED · Multi-way signals
Aug 2027 to Oct 2027
700 m away - Major
Magna Close, HarpendenUtility asset works · CADENT GAS LIMITED · Some carriageway incursion
Nov 2027 to Nov 2027
750 m away - Major
Broadstone Road, HarpendenUtility asset works · CADENT GAS LIMITED · Multi-way signals
Oct 2027 to Dec 2027
750 m away - Major
St Johns Road, HarpendenUtility asset works · CADENT GAS LIMITED · Some carriageway incursion
Sept 2026 to Jun 2027
900 m away - Standard
Footpath Between Camberley Place And Cranbourne Drive, HarpendenRemedial works · HERTFORDSHIRE COUNTY COUNCIL · No carriageway incursion
Oct 2026 to Oct 2026
550 m away - Standard
Fovant Close, HarpendenUtility asset works · CADENT GAS LIMITED · Some carriageway incursion
Nov 2027 to Nov 2027
650 m away - Standard
Parva Close, HarpendenUtility asset works · CADENT GAS LIMITED · Some carriageway incursion
Oct 2027 to Oct 2027
800 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
- Decideddecided Oct 2013
8.4 km away - Decideddecided Apr 2025
8.9 km away - Decideddecided Sept 2014
16.4 km away - Decideddecided Feb 2017
28.9 km away - Pre-application
SDC M40 CampusGenerating Stations · The site of the project is located in Buckinghamshire, England. It is approximately 2km to the west of Gerrards Cross, approximately 2.5km east of Beaconsfield and approximately 1.5km north of Hedgerley. The site comprises land immediately to the south of the A40 Oxford Road and immediately to the north of the M40 motorway. It has a history of landfill activities and is currently operated by Veolia for the landfilling of inert building waste (albeit the site no longer accepts any forms of waste). application due January 2027
29.1 km away - Decideddecided Apr 201429.7 km away
Transport schemes within 20 km
None on our list yet. We're starting with recently opened and under-construction rail schemes.
Running nearest: Land North of Chiltern Greeen (solar farm, 7.2 km); Aylett Nurseries - Solar Panels (rooftop solar, 7.8 km); Iron Mountain Site (rooftop solar, 8.2 km); Ld At Lawrence End Park &, Dane Street (solar farm, 8.5 km); Coursers Farm AD Plant (Waste AD) (anaerobic digestion, 9.9 km).
DESNZ Renewable Energy Planning Database, April to June 2026 (OGL). Projects of 150 kW and over; refused, withdrawn and abandoned ones are left out.
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.