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AREA REPORT · GWYNEDD LL23

LL23.

Gwynedd

LL23 is an outcode in Gwynedd, covering the neighbourhoods of Bala & Mawddwy. Over the last 12 months 22 properties changed hands — a median of £0 for flats (£0/sqm) and £140k for houses (£1,869/sqm). Housing stock peaks at EPC band D.

Sales · 12m
22
107 over 3y
Houses · £/sqm
£1,869
n=21
Flats · £/sqm
£0
n=0
EPC score
59
Potential 82
PRICE MATRIX
Sales by window, type, and floor area.
Houses · 6m
Avg £
£182k
n=7
Median £
£175k
n=7
Avg £/sqm
£1,879
n=7
Median £/sqm
£2,006
n=7
Houses · 12m
Avg £
£204k
n=22
Median £
£140k
n=22
Avg £/sqm
£2,135
n=21
Median £/sqm
£1,869
n=21
Houses · 3y
Avg £
£242k
n=107
Median £
£179k
n=107
Avg £/sqm
£2,500
n=94
Median £/sqm
£2,087
n=94
Flats · 6m
Avg £
£0
n=0
Median £
£0
n=0
Avg £/sqm
£0
n=0
Median £/sqm
£0
n=0
Flats · 12m
Avg £
£0
n=0
Median £
£0
n=0
Avg £/sqm
£0
n=0
Median £/sqm
£0
n=0
Flats · 3y
Avg £
£0
n=0
Median £
£0
n=0
Avg £/sqm
£0
n=0
Median £/sqm
£0
n=0
£/sqm derives from EPC-matched floor area. Thin-coverage rows appear muted.
PRICE + VOLUME · 25Y
Medians and monthly sales, 2001–present.
£0k£128k£256k20052010201520202025Median house · 12m smoothedMedian flat · 12m smoothedSales volume (monthly)
EPC · 25Y
Certificates issued, by band.
0921832010201520202025
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.
LL23 7
Sales107
House£179k
Flat£0
COVERAGE
Neighbourhoods and wards.
Neighbourhoods (MSOA)
1 · click column to sort
Bala & Mawddwy
1,770
1,480
Wards
3 · click column to sort
Y Bala
979
807
Llanuwchllyn
362
353
Llandderfel
429
320
LAND REGISTRY · EPC · ONS UPRN · GEOLYTIX · REFRESHED 25 APR 2026