SG4 7HD North Hertfordshire
Live postcode, introduced January 1980. Ward: Graveley, St Ippolyts & Wymondley. Region: East of England.
Streets
- Priory Lane, North Hertfordshire: 19 addresses
- Church Green, Great Wymondley: 1 address
- Rose Cottages, Little Wymondley: 1 address
Council tax
What each band costs in North Hertfordshire in 2026-27: Band D £2,449 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,632 | £1,904 | £2,176 | £2,449 | £2,993 | £3,537 | £4,081 | £4,897 |
Homes by band in the neighbourhood around this postcode: most are in band C (41% of about 610 homes).
Planning and heritage
- Conservation area: no postcode centre in this postcode is in one.
- Listed buildings within 100 m of this postcode: 5.
- Article 4 direction (removing permitted development rights): none recorded, though not every council has published theirs.
- Tree preservation orders: none recorded, though not every council has published theirs.
- Green belt: yes, North Hertfordshire.
Listed buildings
- THE PRIORY, grade I
- Tithe barn at The Priory and attached outbuildings, grade II*
- BARN AND ATTACHED STABLE AT PRIORY FARM, 50 METRES TO SOUTH WEST OF THE PRIORY, grade II
- DOVE COTTAGE, grade II
- Garden walls at The Priory, grade II
Flood risk
Rivers, the sea or surface water: in this postcode, 0 addresses are in areas at high risk, 2 at medium risk and 0 at low risk. Each address counts once, at the higher of its rivers-and-sea and surface-water risk.
Rivers and the sea alone: no home is in an area at risk.
High: 3.3% (1 in 30) or more chance of flooding a year. Medium: 1% to 3.3%. Low: 0.1% to 1%. Very low: under 0.1%. The rivers and sea figures allow for flood defences. Counts cover whole postcodes, which can include other streets.
Flood zone for planning: no postcode centre is in flood zone 2 or 3.
Height above sea level
The postcode's 21 addresses are between 80 m and 91 m above sea level (83 m on average).
Broadband
Superfast 100%, ultrafast 100%, gigabit 100% of premises; 0% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Hitchin 2.9 million journeys in 2024–25 | 3.0 km |
| Stevenage 4.7 million journeys in 2024–25 | 4.2 km | |
| Letchworth Garden City 1.8 million journeys in 2024–25 | 4.8 km | |
| Bus stops | 0 stops within 400 m, 13 within 800 m; nearest Grimstone Road Little Wymondley | 550 m |
| Bus or coach station | Bus Station Stevenage | 4.3 km |
| EV charging points | 2 within 1.6 km; nearest Smart Charge Charging Station | 1.5 km |
| Airport with scheduled flights | London Luton Airport LTN | 11.8 km |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | The Symonds Green Health Centre | 2.7 km |
| Pharmacies | Md Chemist | 2.7 km |
| NHS dentists | Dental Surgery | 2.6 km |
| Hospital | The Lister Hospital | 1.8 km |
| Police station | Hitchin Police Station | 3.7 km |
| Cash machines | Nisa Local, 1 Filey Close Cashzone | 2.7 km |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 1 within 800 m; nearest Unnamed 3,680 m² | 790 m |
| Play area | Unnamed 2,340 m² | 810 m |
| Playing field | Unnamed 2.3 ha | 900 m |
| Allotments | 1 within 800 m; nearest Unnamed 8,030 m² | 720 m |
Within 800 m: 1 park or garden, 0.4 hectares in all.
Landmarks
The nearest historic landmark is The Priory, a listed building (Grade I), 70 m north-east. 32 listed buildings are within 1.0 km, 3 of them Grade I and 6 of them Grade II*.
| Name | What it is | From the postcode's centre |
|---|---|---|
| The Priory | Listed building, Grade I | 70 m north-east |
| Tithe barn at The Priory and attached outbuildings | Listed building, Grade II* | 80 m east |
| Wymondley Priory, barn, moat, associated earthworks, enclosures, platforms, hollow-way and conduit head | Scheduled monument | 120 m north-east |
| Wymondley Hall | Listed building, Grade II* | 410 m south-west |
| Great Wymondley Castle: a motte and bailey castle and associated manorial enclosure 20m east of St Mary's Church, Great Wymondley | Scheduled monument | 610 m north-west |
| Delamere House and Barn Attached on West | Listed building, Grade II* | 640 m north-west |
| Roman villa (site of) 330yds (300m) N of Ninesprings | Scheduled monument | 1.6 km north-west |
| Name | What it is | From the postcode's centre |
|---|---|---|
| Great Wymondley Community Orchard | Wood | 920 m north |
| Ash Plantation | Wood | 1.2 km north-west |
| Bury Wood | Wood | 1.2 km south |
| Graveley Pond | Lake or reservoir | 1.3 km east |
| Jack's Hill | Hill | 2.4 km north-east |
| Langley Valley | Valley | 4.3 km south |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 8.1 | 40 | 10 |
| Fine particles (PM2.5) | 7.1 | 20 | 5 |
| Particles (PM10) | 12.6 | 40 | 15 |
All three are within the UK legal limits; PM2.5 is above the WHO guideline, as in most towns and cities.
Road and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| 55 to 59 | 2 | 0 |
| Under 55 | 19 | 21 |
2 of the postcode's 21 addresses are modelled at 55 dB or more from road traffic, above the WHO guidelines.
People and work
Who lives here
| Around this postcode | England | |
|---|---|---|
| Median age | 47 | 40 |
| Children under 15 | 16% | 17% |
| Aged 65 and over | 23% | 18% |
Homes
| Around this postcode | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 64% | 61% |
| Owned outright | 39% | 33% |
| Shared ownership | 0% | 1% |
| Social rented | 21% | 17% |
| Private rented | 15% | 21% |
Work and commuting
| Around this postcode | England | |
|---|---|---|
| Adults (16 and over) in work | 56% | 57% |
| Unemployment (of those working or looking for work) | 4% | 6% |
| Retired (of adults) | 29% | 22% |
| Long-term sick or disabled (of adults) | 0% | 4% |
| Work mainly from home (of those in work) | 50% | 32% |
| Travel to work by car or van | 45% | 48% |
| By train, Underground, metro or tram | 0% | 4% |
| By any public transport, including bus | 0% | 8% |
| On foot or by bicycle | 4% | 10% |
| Work within 10 km of home (of those who travel to work) | 42% | 65% |
| Work 30 km or more away | 26% | 8% |
Education and languages
| Around this postcode | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 41% | 34% |
| No qualifications | 12% | 18% |
| Apprenticeship as highest qualification | 4% | 5% |
| Main language English (aged 3 and over) | 99% | 91% |
| Cannot speak English well or at all | 0% | 2% |
Deprivation
The neighbourhood around this postcode is in decile 6 of 10 on the English Indices of Deprivation 2025, where 1 is the most deprived tenth of England's 33,755 neighbourhoods and 10 the least.
The full dossier for this postcode's main street is on Priory Lane.