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AREA REPORT · NORTH HERTFORDSHIRE SG3

SG3.

North Hertfordshire

SG3 is an outcode in North Hertfordshire, covering the neighbourhoods of Knebworth, Codicote & Kimpton, Woolmer Green, Oaklands & Digswell, Datchworth, Walkern & Cottered and Watton-at-Stone, Bramfield & Bayford. Over the last 12 months 82 properties changed hands — a median of £258k for flats (£4,191/sqm) and £510k for houses (£5,219/sqm). Housing stock peaks at EPC band C.

Sales · 12m
82
307 over 3y
Houses · £/sqm
£5,219
n=65
Flats · £/sqm
£4,191
n=16
EPC score
69
Potential 82
PRICE MATRIX
Sales by window, type, and floor area.
Houses · 6m
Avg £
£536k
n=16
Median £
£508k
n=16
Avg £/sqm
£5,360
n=16
Median £/sqm
£5,473
n=16
Houses · 12m
Avg £
£558k
n=66
Median £
£510k
n=66
Avg £/sqm
£5,262
n=65
Median £/sqm
£5,219
n=65
Houses · 3y
Avg £
£555k
n=238
Median £
£510k
n=238
Avg £/sqm
£5,225
n=235
Median £/sqm
£5,179
n=235
Flats · 6m
Avg £
£299k
n=3
Median £
£285k
n=3
Avg £/sqm
£4,744
n=3
Median £/sqm
£4,831
n=3
Flats · 12m
Avg £
£256k
n=16
Median £
£258k
n=16
Avg £/sqm
£4,314
n=16
Median £/sqm
£4,191
n=16
Flats · 3y
Avg £
£292k
n=69
Median £
£278k
n=69
Avg £/sqm
£4,577
n=67
Median £/sqm
£4,592
n=67
£/sqm derives from EPC-matched floor area. Thin-coverage rows appear muted.
PRICE + VOLUME · 25Y
Medians and monthly sales, 2001–present.
£72k£323k£574k20052010201520202025Median house · 12m smoothedMedian flat · 12m smoothedSales volume (monthly)
EPC · 25Y
Certificates issued, by band.
01723432010201520202025
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.
SG3 6
Sales307
House£510k
Flat£278k
COVERAGE
Neighbourhoods and wards.
Neighbourhoods (MSOA)
4 · click column to sort
Knebworth, Codicote & Kimpton
2,511
2,941
Woolmer Green, Oaklands & Digswell
645
1,057
Datchworth, Walkern & Cottered
394
448
Watton-at-Stone, Bramfield & Bayford
13
15
Wards
4 · click column to sort
Knebworth
2,511
2,941
Welwyn East
645
1,057
Aston, Datchworth & Walkern
394
448
Hertford Rural
13
15
LAND REGISTRY · EPC · ONS UPRN · GEOLYTIX · REFRESHED 25 APR 2026