SG4 area guide
House prices, recent sales, crime and schools for the SG4 postcode district in North Hertfordshire. Free to read, from official open data. For one address in detail, run a full property report.
North Hertfordshire · 2026-08 (UK HPI)
Median £483,625
Street-level crime at the district centre
Ofsted rated, within one mile
What the data says about SG4
The average home across North Hertfordshire is worth about £422,835 (UK House Price Index, 2026-08), and the median of the 44 most recent Land Registry sales recorded inside SG4 is £483,625, and prices have risen 3.1% over the last year.
Of 109 energy certificates sampled across 12 postcodes in SG4, band D is the most common, and 70.6% of homes sit below band C — the point at which most lenders' green mortgage deals and future rental rules bite.
Police recorded 37 crimes around the centre of SG4 in the six months to 2026-09, most often violence and sexual offences (9).
There are 1 schools rated Good or Outstanding by Ofsted within a mile of SG4 in North Hertfordshire, including St Ippolyts Church of England Aided Primary School.
The district covers the Codicote & Kimpton, Graveley, St Ippolyts & Wymondley, Hitchin Bearton, Hitchin Highbury ward areas.
Sample of 109 energy certificates from 12 postcodes in SG4, taken from the government energy performance register, most recent lodged 2026. Indicative of the district rather than a full census.
Prices changed +3.1% over the last year in North Hertfordshire.
Street-level crime from data.police.uk, six months to 2026-09.
Primary
- St Ippolyts Church of England Aided Primary SchoolGood · 0.7 mi
- Wymondley Junior Mixed and Infant SchoolGood · 1.4 mi
- Preston Primary SchoolGood · 1.5 mi
- Whitehill Junior SchoolNot rated · 1.5 mi
- Highbury Infant School and NurseryNot rated · 1.9 mi
Secondary
- Kingshott SchoolNot rated · 1.3 mi
- The Saint John Henry Newman Catholic SchoolNot rated · 2.0 mi
- Hitchin Girls' SchoolNot rated · 2.0 mi
- The Thomas Alleyne AcademyNot rated · 2.2 mi
- Hitchin Boys' SchoolNot rated · 2.3 mi
Codicote & Kimpton · Graveley, St Ippolyts & Wymondley · Hitchin Bearton · Hitchin Highbury · Hitchin Priory · Hitchin Walsworth · Hitchwood · Knebworth · Letchworth South West · Roebuck · Welwyn West · Weston & Sandon
Common questions about SG4
What is the average house price in SG4?
The UK House Price Index puts the average home in North Hertfordshire at £422,835 as of 2026-08. Recent Land Registry sales recorded inside the SG4 district have a median price of £483,625.
How much does each property type cost in SG4?
Detached £798,369, semi-detached £486,365, terraced £383,241, flats £229,978, based on the UK House Price Index for North Hertfordshire.
Is SG4 a safe area?
Police recorded 37 crimes near the centre of SG4 in the six months to 2026-09. The most common category was violence and sexual offences with 9 reports. Crime is recorded at street level, so figures vary street to street within the same district.
What EPC rating do homes in SG4 usually have?
Band D is the most common rating in our sample of 109 certificates from SG4, with 70.6% 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 SG4?
1 schools within a mile of the SG4 district centre are rated Good or Outstanding by Ofsted. Nearby secondaries include Kingshott School. Catchment areas are set by the local authority and can change year to year.
Where does this SG4 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 SG4
Nearby SG 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.