Country England and Wales › Region East of England › Council North Hertfordshire › Neighbourhood Great Ashby & Wymondley › Postcode SG4 7LJ What's changing near SG4 7LJ Within 2 km, around Great Ashby & Wymondley in North Hertfordshire. Building, planning, schools, transport, prices and crime.
471 new homes completed within 2 km, last 2 years
0 homes given permission on brownfield sites since 2021
+1.4% like-for-like prices in Great Ashby & Wymondley, 2024 → 2025 (council +2.1%)
+2% recorded crime, last 12 months vs the 12 before
On the map
Black pin: the postcode. Tap a dot for details.
Nearby, most recent first New homes 44 new homes completed 1 flats, 43 houses · Oct 2024 – Oct 2026
Oct 2026 New homes 8 new homes completed houses · Jun 2026 – Sep 2026
Sept 2026 New homes 48 new homes completed houses · Mar 2025 – Jul 2026
Jul 2026 New homes 31 new homes completed houses · Oct 2025 – Jul 2026
Jul 2026 New homes 16 new homes completed houses · Jun 2026
Jul 2026 New homes 11 new homes completed houses · Dec 2025 – Jun 2026
Jun 2026 New homes 12 new homes completed flats · Apr 2026
Apr 2026 New homes 17 new homes completed houses · Jul 2025 – Mar 2026
Mar 2026 New homes 5 new homes completed 4 flats, 1 houses · Jun 2025 – Mar 2026
Mar 2026 New homes 14 new homes completed houses · Jun 2025 – Jan 2026
Jan 2026 New homes 19 new homes completed 2 flats, 17 houses · Jun 2025 – Jan 2026
Jan 2026 New homes 12 new homes completed flats · Dec 2025
Dec 2025 3 homes extended 2021–2025, typically adding 37 m²
3 since energy certificates began (2008)
1 in SG4 7LJ 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 24 planned, approved or being built and 5 running (8 MW between them). Those within 5 km are on the map above.
Rooftop solar Sainsburys, Hitchin Road - Solar Panels Approved, not yet built · 310 kW
Mar 2025 Solar farm Wymondley Solar Farm, Great Wymondley Approved, not yet built · 50 MW
Mar 2024 Battery storage Wymondley Solar Farm, Great Wymondley Approved, not yet built
Mar 2024 Rooftop solar Chesfield Downs Golf Club, Jacks Hill - Solar panels Approved, not yet built · 200 kW
Oct 2023 Battery storage Stevenage Road, Titmore Green - Battery Energy Storage System Planning application in · 57 MW
May 2025 Battery storage Martins Way - Micro Energy Storage Approved, not yet built · 200 kW
Jun 2026 Solar farm St Ippolyts - Solar Farm & Battery Storage Approved, not yet built · 25 MW
Jul 2025 Battery storage St Ippolyts - Solar Farm & Battery Storage Approved, not yet built · 13 MW
Jul 2025 Battery storage Larwood Drive, Rusling Way - Micro Battery Storage Planning application in · 200 kW
May 2026 Rooftop solar Tesco Store The Forum Stevenage Approved, not yet built · 400 kW
Mar 2020 Rooftop solar Road and street works within 1 km 1 permitted works running now or planned.
DfT Street Manager permits (OGL), England. Dates are the planned ones; works often finish early or overrun.
Major infrastructure projects within 30 km Decided decided Apr 2025 Decided decided Oct 2013 Decided decided Sept 2014 Decided decided Oct 2011 Decided Millbrook Power Generating Stations · The Rookery Pit Near Stewartby, Bedfordshire decided Mar 2019 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.
Running nearest: Flamingo House (rooftop solar, 3.3 km); Hitchin (landfill gas, 7.4 km); Arlesey Landfill Gas (Extension) (landfill gas, 8.5 km); Arlesey Landfill Site (landfill gas, 8.6 km); Bygrave Lodge Farm Anaerobic Digestion Facility (Farm AD) (anaerobic digestion, 9.0 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.