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AREA REPORT · GWYNEDD LL57

LL57.

Gwynedd

LL57 is an outcode in Gwynedd, covering the neighbourhoods of Bangor City, Bethesda, Bangor South and Llanberis & Deiniolen. Over the last 12 months 166 properties changed hands — a median of £88k for flats (£1,767/sqm) and £192k for houses (£2,261/sqm). Housing stock peaks at EPC band D.

Sales · 12m
166
666 over 3y
Houses · £/sqm
£2,261
n=152
Flats · £/sqm
£1,767
n=7
EPC score
66
Potential 82
PRICE MATRIX
Sales by window, type, and floor area.
Houses · 6m
Avg £
£230k
n=53
Median £
£218k
n=53
Avg £/sqm
£2,489
n=51
Median £/sqm
£2,467
n=51
Houses · 12m
Avg £
£217k
n=158
Median £
£192k
n=158
Avg £/sqm
£2,351
n=152
Median £/sqm
£2,261
n=152
Houses · 3y
Avg £
£211k
n=628
Median £
£185k
n=628
Avg £/sqm
£2,260
n=599
Median £/sqm
£2,186
n=599
Flats · 6m
Avg £
£144k
n=2
Median £
£144k
n=2
Avg £/sqm
£1,980
n=2
Median £/sqm
£1,980
n=2
Flats · 12m
Avg £
£109k
n=8
Median £
£88k
n=8
Avg £/sqm
£1,616
n=7
Median £/sqm
£1,767
n=7
Flats · 3y
Avg £
£107k
n=38
Median £
£93k
n=38
Avg £/sqm
£1,734
n=34
Median £/sqm
£1,605
n=34
£/sqm derives from EPC-matched floor area. Thin-coverage rows appear muted.
PRICE + VOLUME · 25Y
Medians and monthly sales, 2001–present.
£24k£115k£206k20052010201520202025Median house · 12m smoothedMedian flat · 12m smoothedSales volume (monthly)
EPC · 25Y
Certificates issued, by band.
061212242010201520202025
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)
4 · click column to sort
Bethesda
3,068
3,300
Bangor City
4,436
2,980
Bangor South
3,444
2,929
Llanberis & Deiniolen
822
838
Wards
11 · click column to sort
Canol Bangor
2,871
2,244
Dwyrain Bangor
2,818
1,550
Y Faenol
1,004
943
Gerlan
629
910
Dewi
855
874
Tre-garth a Mynydd Llandygái
732
794
Canol Bethesda
820
706
Glyder
622
577
Arllechwedd
693
562
Rachub
465
531
Penisa'r-waun
261
356
LAND REGISTRY · EPC · ONS UPRN · GEOLYTIX · REFRESHED 25 APR 2026