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AREA REPORT · HARLOW CM20

CM20.

Harlow

CM20 is an outcode in Harlow, covering the neighbourhoods of Mark Hall & Templefields, Nettleswell, Little Parndon & Hare Street, Old Harlow & Newhall and Much Hadham & Hunsdon. Over the last 12 months 140 properties changed hands — a median of £214k for flats (£3,915/sqm) and £333k for houses (£4,167/sqm). Housing stock peaks at EPC band C.

Sales · 12m
140
753 over 3y
Houses · £/sqm
£4,167
n=85
Flats · £/sqm
£3,915
n=54
EPC score
71
Potential 81
PRICE MATRIX
Sales by window, type, and floor area.
Houses · 6m
Avg £
£345k
n=24
Median £
£338k
n=24
Avg £/sqm
£4,245
n=23
Median £/sqm
£4,133
n=23
Houses · 12m
Avg £
£348k
n=86
Median £
£333k
n=86
Avg £/sqm
£4,187
n=85
Median £/sqm
£4,167
n=85
Houses · 3y
Avg £
£360k
n=445
Median £
£335k
n=445
Avg £/sqm
£4,029
n=440
Median £/sqm
£4,000
n=440
Flats · 6m
Avg £
£208k
n=19
Median £
£190k
n=19
Avg £/sqm
£4,276
n=19
Median £/sqm
£4,510
n=19
Flats · 12m
Avg £
£218k
n=54
Median £
£214k
n=54
Avg £/sqm
£4,024
n=54
Median £/sqm
£3,915
n=54
Flats · 3y
Avg £
£229k
n=308
Median £
£218k
n=308
Avg £/sqm
£4,031
n=306
Median £/sqm
£4,128
n=306
£/sqm derives from EPC-matched floor area. Thin-coverage rows appear muted.
PRICE + VOLUME · 25Y
Medians and monthly sales, 2001–present.
£66k£205k£344k20052010201520202025Median house · 12m smoothedMedian flat · 12m smoothedSales volume (monthly)
EPC · 25Y
Certificates issued, by band.
0181636312010201520202025
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
Nettleswell
5,745
3,300
Little Parndon & Hare Street
4,436
2,654
Mark Hall & Templefields
4,736
2,481
Passmores & The High
1,167
513
Much Hadham & Hunsdon
387
459
Old Harlow & Newhall
52
103
Sawbridgeworth
0
0
Wards
9 · click column to sort
Netteswell
5,580
3,174
Little Parndon & Town Centre
5,425
3,025
Mark Hall
4,901
2,607
Hunsdon
357
447
Old Harlow
52
103
Great Parndon
95
80
Passmores
83
62
Much Hadham
30
12
Sawbridgeworth
0
0
LAND REGISTRY · EPC · ONS UPRN · GEOLYTIX · REFRESHED 25 APR 2026