AL4 area guide
House prices, recent sales, crime and schools for the AL4 postcode district in Hertsmere. Free to read, from official open data. For one address in detail, run a full property report.
Hertsmere · 2026-08 (UK HPI)
Land Registry Price Paid
Street-level crime at the district centre
Ofsted rated, within one mile
What the data says about AL4
The average home across Hertsmere is worth about £553,008 (UK House Price Index, 2026-08), and prices have risen 1.5% over the last year.
Of 155 energy certificates sampled across 12 postcodes in AL4, band D is the most common, and 60.6% of homes sit below band C — the point at which most lenders' green mortgage deals and future rental rules bite.
Police recorded 356 crimes around the centre of AL4 in the six months to 2026-09, most often violence and sexual offences (75).
There are 1 schools rated Good or Outstanding by Ofsted within a mile of AL4 in Hertsmere, including Sandridge School.
The district covers the Codicote & Kimpton, Colney Heath, Cunningham, Hatfield Villages ward areas.
Sample of 155 energy certificates from 12 postcodes in AL4, taken from the government energy performance register, most recent lodged 2026. Indicative of the district rather than a full census.
Prices changed +1.5% over the last year in Hertsmere.
Street-level crime from data.police.uk, six months to 2026-09.
Primary
- Sandridge SchoolNot rated · 0.5 mi
- Skyswood Primary & Nursery SchoolNot rated · 0.6 mi
- St John Fisher Catholic Primary School, a Voluntary AcademyNot rated · 0.7 mi
- Wheatfields Junior Mixed SchoolNot rated · 0.7 mi
- Wheatfields Infants' and Nursery SchoolNot rated · 0.7 mi
Secondary
- Sandringham SchoolOutstanding · 0.6 mi
- Beaumont SchoolNot rated · 1.3 mi
- Oaklands CollegeNot rated · 1.3 mi
- Verulam SchoolNot rated · 1.6 mi
- St Albans Girls' SchoolNot rated · 1.6 mi
Codicote & Kimpton · Colney Heath · Cunningham · Hatfield Villages · Hill End · London Colney · Marshalswick East & Jersey Farm · Marshalswick West · Sandridge & Wheathampstead · Shenley · Welham Green and Hatfield South
Common questions about AL4
What is the average house price in AL4?
The UK House Price Index puts the average home in Hertsmere at £553,008 as of 2026-08.
How much does each property type cost in AL4?
Detached £1,207,168, semi-detached £619,477, terraced £491,260, flats £294,407, based on the UK House Price Index for Hertsmere.
Is AL4 a safe area?
Police recorded 356 crimes near the centre of AL4 in the six months to 2026-09. The most common category was violence and sexual offences with 75 reports. Crime is recorded at street level, so figures vary street to street within the same district.
What EPC rating do homes in AL4 usually have?
Band D is the most common rating in our sample of 155 certificates from AL4, with 60.6% of homes rated below band C. A full property report shows the exact certificate, running costs and recommended improvements for one address.
What are the schools like near AL4?
1 schools within a mile of the AL4 district centre are rated Good or Outstanding by Ofsted. Nearby secondaries include Sandringham School. Catchment areas are set by the local authority and can change year to year.
Where does this AL4 data come from?
HM Land Registry Price Paid Data and the UK House Price Index for prices, the government's energy performance register for EPC bands, data.police.uk for crime, Get Information About Schools and Ofsted for schools, and ONS postcode geography. All are published under the Open Government Licence v3.0.
A full report covers the energy certificate, sale history and valuation, council tax band and bill, flood and crime risk, schools, transport and neighbourhood data for a single property.
Search an addressMore on AL4
Nearby AL postcode districts
Sources: HM Land Registry Price Paid Data and UK House Price Index, ONS postcode geography, data.police.uk, Get Information About Schools and Ofsted. Contains public sector information licensed under the Open Government Licence v3.0.