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AREA REPORT · CARDIFF CF23

CF23.

Cardiff

CF23 is an outcode in Cardiff, covering the neighbourhoods of Pen-y-lan South, Pontprennau, Llanedeyrn, Roath and Pentwyn. Over the last 12 months 374 properties changed hands — a median of £180k for flats (£2,956/sqm) and £332k for houses (£3,679/sqm). Housing stock peaks at EPC band C.

Sales · 12m
374
1,421 over 3y
Houses · £/sqm
£3,679
n=289
Flats · £/sqm
£2,956
n=80
EPC score
69
Potential 81
PRICE MATRIX
Sales by window, type, and floor area.
Houses · 6m
Avg £
£373k
n=77
Median £
£295k
n=77
Avg £/sqm
£3,573
n=75
Median £/sqm
£3,536
n=75
Houses · 12m
Avg £
£400k
n=291
Median £
£332k
n=291
Avg £/sqm
£3,562
n=289
Median £/sqm
£3,679
n=289
Houses · 3y
Avg £
£390k
n=1,130
Median £
£335k
n=1,130
Avg £/sqm
£3,499
n=1,112
Median £/sqm
£3,551
n=1,112
Flats · 6m
Avg £
£178k
n=30
Median £
£170k
n=30
Avg £/sqm
£2,788
n=29
Median £/sqm
£2,742
n=29
Flats · 12m
Avg £
£218k
n=83
Median £
£180k
n=83
Avg £/sqm
£3,205
n=80
Median £/sqm
£2,956
n=80
Flats · 3y
Avg £
£195k
n=291
Median £
£173k
n=291
Avg £/sqm
£2,995
n=274
Median £/sqm
£2,831
n=274
£/sqm derives from EPC-matched floor area. Thin-coverage rows appear muted.
PRICE + VOLUME · 25Y
Medians and monthly sales, 2001–present.
£53k£202k£351k20052010201520202025Median house · 12m smoothedMedian flat · 12m smoothedSales volume (monthly)
EPC · 25Y
Certificates issued, by band.
096619322010201520202025
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)
9 · click column to sort
Pontprennau
2,891
6,136
Pen-y-lan South
2,773
3,183
Pentwyn
3,288
3,106
Pen-y-lan North
2,145
2,800
Llanedeyrn
4,037
2,785
Cyncoed South & Roath Park
2,180
2,515
Cyncoed North
1,658
2,322
Roath
904
625
Heath
41
54
Wards
6 · click column to sort
Pentwyn
7,743
6,495
Pontprennau and Old St Mellons
2,891
6,136
Penylan
4,918
5,983
Cyncoed
3,420
4,233
Plasnewydd
904
625
Heath
41
54
LAND REGISTRY · EPC · ONS UPRN · GEOLYTIX · REFRESHED 25 APR 2026