L23 area guide
House prices, recent sales, crime and schools for the L23 postcode district in Sefton. Free to read, from official open data. For one address in detail, run a full property report.
Sefton · 2026-07 (UK HPI)
Median £265,250
Street-level crime at the district centre
Ofsted rated, within one mile
What the data says about L23
The average home across Sefton is worth about £224,289 (UK House Price Index, 2026-07), and the median of the 28 most recent Land Registry sales recorded inside L23 is £265,250, and prices have risen 3.7% over the last year.
Of 188 energy certificates sampled across 12 postcodes in L23, band D is the most common, and 87.8% of homes sit below band C — the point at which most lenders' green mortgage deals and future rental rules bite.
Police recorded 1,000 crimes around the centre of L23 in the six months to 2026-08, most often violence and sexual offences (368).
There are 2 schools rated Good or Outstanding by Ofsted within a mile of L23 in Sefton, including Great Crosby Catholic Primary School.
The district covers the Blundellsands, Formby East, Great Crosby, Netherton North ward areas.
Sample of 188 energy certificates from 12 postcodes in L23, taken from the government energy performance register, most recent lodged 2026. Indicative of the district rather than a full census.
Prices changed +3.7% over the last year in Sefton.
Street-level crime from data.police.uk, six months to 2026-08.
Primary
- Great Crosby Catholic Primary SchoolNot rated · 0.2 mi
- St Luke's Halsall Church of England Primary SchoolNot rated · 0.3 mi
- Valewood Primary SchoolNot rated · 0.4 mi
- Forefield Junior SchoolNot rated · 0.5 mi
- Forefield Community Infant and Nursery SchoolGood · 0.6 mi
Secondary
- Olsen House SchoolNot rated · 0.2 mi
- St. Mary's CollegeNot rated · 0.3 mi
- Sacred Heart Catholic AcademyNot rated · 0.3 mi
- Crosby High SchoolNot rated · 0.4 mi
- Merchant Taylors' SchoolsNot rated · 0.5 mi
Blundellsands · Formby East · Great Crosby · Netherton North · Thornton & Hightown · Waterloo
Common questions about L23
What is the average house price in L23?
The UK House Price Index puts the average home in Sefton at £224,289 as of 2026-07. Recent Land Registry sales recorded inside the L23 district have a median price of £265,250.
How much does each property type cost in L23?
Detached £395,919, semi-detached £249,184, terraced £183,852, flats £126,948, based on the UK House Price Index for Sefton.
Is L23 a safe area?
Police recorded 1,000 crimes near the centre of L23 in the six months to 2026-08. The most common category was violence and sexual offences with 368 reports. Crime is recorded at street level, so figures vary street to street within the same district.
What EPC rating do homes in L23 usually have?
Band D is the most common rating in our sample of 188 certificates from L23, with 87.8% 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 L23?
2 schools within a mile of the L23 district centre are rated Good or Outstanding by Ofsted. Nearby secondaries include Olsen House School. Catchment areas are set by the local authority and can change year to year.
Where does this L23 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 L23
Nearby L 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.