Property market
The five-year median is £822,500 from 2 recorded sales in AL4 9TN. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for St Albans is £651,448 in June 2026, up 4.3% year on year.
AL4 9TN
Marshalswick East & Jersey Farm · St Albans · England
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- St Albans
- Local authority
- St Albans
- Constituency
- Harpenden and Berkhamsted
- Postcode district
- AL4
- Postcode sector
- AL4 9
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- AL4 9TN
- Status
- Current
- Introduced
- 1 July 1983
- Terminated
- Not published
- Postcode area
- AL
- Postcode district
- AL4
- Postcode sector
- AL4 9
- Latitude
- 51.772464
- Longitude
- -0.299409
- British National Grid easting
- 517,432
- British National Grid northing
- 209,566
Statistical and administrative geographies
- Country
- England · E92000001
- Region
- East of England · E12000006
- Local authority district
- St Albans · E07000240
- Electoral ward
- Marshalswick East & Jersey Farm · E05015801
- Parish or community
- E04013286
- Westminster constituency
- Harpenden and Berkhamsted · E14001268
- Output area
- E00120528
- Lower layer super output area
- St Albans 007B · E01023734
- Middle layer super output area
- St Albans 007 · E02004930
Postcode source versions
- Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
- Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
- Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence
Explore AL4
Property
18 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| 2, Mayfair Close, St Albans, AL4 9TN | 3 July 2023 | £800,000 |
| 16, Mayfair Close, St Albans, AL4 9TN | 10 May 2023 | £845,000 |
| 6, Mayfair Close, St Albans, AL4 9TN | 7 October 2020 | £760,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 51
- Primary
- 32
- Secondary
- 7
- 610 m
Sandringham School
Academy converter
- 610 m
Skyswood Primary & Nursery School
Academy converter
- 793 m
St John Fisher Catholic Primary School, a Voluntary Academy
Academy converter
Recorded crime
Within 1 mile of this postcode
- Published events
- 748
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 213
- Anti social behaviour 127
- Shoplifting 102
- Other theft 95
- Vehicle crime 64
Census 2021
Population and age profile
- Postcode residents
- 43
- Postcode households
- 18
- Residents per household
- 2.4
- AL4 9 residents
- 11,409
25 female, 18 male
Age bands in AL4 9
Wider postcode sector- Age 0 to 14
- 19.8%
- Age 15 to 24
- 9.9%
- Age 25 to 44
- 22.1%
- Age 45 to 64
- 29.1%
- Age 65 and over
- 19.2%
2,292 residents
1,144 residents
2,566 residents
3,371 residents
2,228 residents
This postcode contained 0.4% of the sector's usual residents on Census Day. The age profile describes the wider AL4 9 sector, not people in this individual postcode.
Small counts are adjusted for privacy, so totals can differ slightly between Census tables.
Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.
Fixed broadband coverage
Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.
- Superfast, 30 Mbit/s+
- 100%
- Ultrafast, 100 Mbit/s+
- 100%
- Ultrafast, 300 Mbit/s+
- 100%
- Gigabit-capable
- 88.9%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 100%
- Decent broadband available from fixed wireless
- 0%
Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.
Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.
GP practices
6
within 5 km
PARKBURY HOUSE SURGERY
ST. PETERS STREET, ST ALBANS, AL1 3HD
ODS code E82060
3.0 km
GRANGE STREET SURGERY
2 GRANGE STREET, ST. ALBANS, AL3 5NF
ODS code E82059
3.0 km
LODGE,HIGHFIELD & REDBOURN
NORMANDY ROAD, ST. ALBANS, AL3 5NP
ODS code E82014
3.2 km
HATFIELD ROAD SURGERY
2 THE PARADE, ELLIS HOUSE, ST. ALBANS, AL1 3FY
ODS code E82004
3.4 km
HARVEY GROUP PRACTICE
13-15 RUSSELL AVENUE, ST. ALBANS, AL3 5HB
ODS code E82084
3.5 km
MALTINGS SURGERY
8-14 VICTORIA STREET, ST ALBANS, AL1 3JB
ODS code E82031
3.5 km
Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.
Source acquired on 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.
Nearby transport
- 0.0 miles
Portman Close
BCT · Jersey Farm
- 0.1 miles
Portman Close
BCT · Jersey Farm
- 0.1 miles
Wilstone Drive
BCT · Jersey Farm
- 0.1 miles
Wilstone Drive
BCT · Jersey Farm
- 0.2 miles
Blackberry Jack PH
BCT · Jersey Farm
Relative deprivation
English Indices of Deprivation 2025 for St Albans 007B, the published LSOA linked to this postcode. Decile 1 contains the most deprived 10% of English LSOAs and decile 10 the least deprived 10%.
Overall IMD decile
10 of 10
Overall England rank
33,642 of 33,755
- Income
- 10 of 10
- Employment
- 10 of 10
- Education and skills
- 10 of 10
- Health and disability
- 10 of 10
- Crime
- 10 of 10
- Housing and services
- 9 of 10
- Living environment
- 8 of 10
These are relative area statistics, not measures of an individual household, affluence or absolute change. They cannot be compared with indices for other UK nations. Source: English Indices of Deprivation 2025, version 2025-v2.
Flood risk
Environment Agency long-term indicators for the area around addresses in this postcode. They are not an assessment of any individual property and do not show current or forecast flooding.
- High risk addresses
- 0
- Medium risk addresses
- 0
- Low risk addresses
- 0
- Groundwater flood alert area
- Unlikely
Source: Environment Agency flood-risk postcode search tool data, version 2026-06-18. Check the long-term risk for an individual area. © Environment Agency copyright and/or database right 2025. All rights reserved.
Evidence in context
Schools
51 open schools are in scope, including 32 primary and 7 secondary schools. Sandringham School is the nearest published school at 610 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
748 published events cover 12 months, averaging 62.333 events per published month. The largest recorded category is Violence and sexual offences with 213 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.