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AREA REPORT · CHILTERN SL9

SL9.

Chiltern

SL9 is an outcode in Chiltern, covering the neighbourhoods of Gerrards Cross, Chalfont Common & St Peter East, Chalfont St Peter West, Denham and Chalfont St Giles, Seer Green & Jordans. Over the last 12 months 171 properties changed hands — a median of £410k for flats (£5,678/sqm) and £905k for houses (£6,000/sqm). Housing stock peaks at EPC band D.

Sales · 12m
171
753 over 3y
Houses · £/sqm
£6,000
n=135
Flats · £/sqm
£5,678
n=26
EPC score
67
Potential 80
PRICE MATRIX
Sales by window, type, and floor area.
Houses · 6m
Avg £
£874k
n=41
Median £
£838k
n=41
Avg £/sqm
£5,795
n=41
Median £/sqm
£5,844
n=41
Houses · 12m
Avg £
£1.08m
n=143
Median £
£905k
n=143
Avg £/sqm
£6,173
n=135
Median £/sqm
£6,000
n=135
Houses · 3y
Avg £
£1.11m
n=582
Median £
£938k
n=582
Avg £/sqm
£6,378
n=535
Median £/sqm
£6,111
n=535
Flats · 6m
Avg £
£470k
n=7
Median £
£440k
n=7
Avg £/sqm
£5,845
n=7
Median £/sqm
£5,176
n=7
Flats · 12m
Avg £
£503k
n=28
Median £
£410k
n=28
Avg £/sqm
£5,919
n=26
Median £/sqm
£5,678
n=26
Flats · 3y
Avg £
£590k
n=171
Median £
£495k
n=171
Avg £/sqm
£6,279
n=155
Median £/sqm
£6,077
n=155
£/sqm derives from EPC-matched floor area. Thin-coverage rows appear muted.
PRICE + VOLUME · 25Y
Medians and monthly sales, 2001–present.
£106k£586k£1.1m20052010201520202025Median house · 12m smoothedMedian flat · 12m smoothedSales volume (monthly)
EPC · 25Y
Certificates issued, by band.
03216412010201520202025
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)
7 · click column to sort
Gerrards Cross
3,948
4,278
Chalfont Common & St Peter East
2,962
3,818
Chalfont St Peter West
2,192
2,758
Farnham & Hedgerley
54
25
Mill End, Heronsgate & Maple Cross
4
11
Chalfont St Giles, Seer Green & Jordans
13
6
Denham
10
4
Wards
5 · click column to sort
Chalfont St Peter
4,689
6,021
Gerrards Cross & Denham
4,423
4,837
Farnhams & Stoke Poges
54
25
Chorleywood South & Maple Cross
4
11
Chalfont St Giles & Little Chalfont
13
6
LAND REGISTRY · EPC · ONS UPRN · GEOLYTIX · REFRESHED 25 APR 2026