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AREA REPORT · ST ALBANS AL4

AL4.

St Albans

AL4 is an outcode in St Albans, covering the neighbourhoods of Marshalswick, Wheathampstead, Colney Heath & Highfield Park, Welham Green and Longacres. Over the last 12 months 221 properties changed hands — a median of £285k for flats (£5,230/sqm) and £692k for houses (£6,929/sqm). Housing stock peaks at EPC band C.

Sales · 12m
221
949 over 3y
Houses · £/sqm
£6,929
n=178
Flats · £/sqm
£5,230
n=42
EPC score
69
Potential 81
PRICE MATRIX
Sales by window, type, and floor area.
Houses · 6m
Avg £
£696k
n=60
Median £
£640k
n=60
Avg £/sqm
£6,989
n=60
Median £/sqm
£6,947
n=60
Houses · 12m
Avg £
£740k
n=179
Median £
£692k
n=179
Avg £/sqm
£6,937
n=178
Median £/sqm
£6,929
n=178
Houses · 3y
Avg £
£763k
n=798
Median £
£715k
n=798
Avg £/sqm
£6,916
n=790
Median £/sqm
£6,791
n=790
Flats · 6m
Avg £
£307k
n=10
Median £
£319k
n=10
Avg £/sqm
£4,866
n=10
Median £/sqm
£4,935
n=10
Flats · 12m
Avg £
£300k
n=42
Median £
£285k
n=42
Avg £/sqm
£5,156
n=42
Median £/sqm
£5,230
n=42
Flats · 3y
Avg £
£311k
n=151
Median £
£290k
n=151
Avg £/sqm
£5,000
n=151
Median £/sqm
£5,000
n=151
£/sqm derives from EPC-matched floor area. Thin-coverage rows appear muted.
PRICE + VOLUME · 25Y
Medians and monthly sales, 2001–present.
£98k£437k£776k20052010201520202025Median house · 12m smoothedMedian flat · 12m smoothedSales volume (monthly)
EPC · 25Y
Certificates issued, by band.
057011402010201520202025
A
B
C
D
E
F
G
Total issued
COUNCIL TAX
Band distribution.
Council tax data coming in Phase 2.
SECTORS
Drill down to sector.
COVERAGE
Neighbourhoods and wards.
Neighbourhoods (MSOA)
13 · click column to sort
Marshalswick
3,055
3,426
Jersey Farm & Sandridge
2,159
3,284
Wheathampstead
2,559
3,031
Colney Heath & Highfield Park
2,279
3,015
Longacres
1,207
1,799
Knebworth, Codicote & Kimpton
154
205
The Camp & Cunningham
49
78
Welham Green
70
75
Bernards Heath
18
14
Welwyn & Hatfield Garden Village
7
6
London Colney
3
1
Shenley & South Mimms
15
0
Hatfield South
10
0
Wards
12 · click column to sort
Marshalswick East & Jersey Farm
3,435
4,614
Sandridge & Wheathampstead
3,317
3,816
Hill End
2,410
3,695
Marshalswick West
1,039
1,325
Colney Heath
1,076
1,119
Codicote & Kimpton
154
205
Cunningham
49
78
Welham Green and Hatfield South
70
75
Hatfield Villages
7
6
London Colney
3
1
Shenley
15
0
Hatfield South West
10
0
LAND REGISTRY · EPC · ONS UPRN · GEOLYTIX · REFRESHED 25 APR 2026