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 192 properties changed hands — a median of £98k for flats (£1,972/sqm) and £190k for houses (£2,278/sqm). Housing stock peaks at EPC band D.

Recorded dwellings
9,805
residential addresses we hold records for
Across
4
sectors — see breakdown below
Sales
12 month
3 year
Flats
10
41
Houses
182
641
Recorded transactions across the area.
Median sale price
12 month
3 year
Flats
£98k
n = 10
£95k
n = 41
Houses
£190k
n = 182
£188k
n = 641
Median sale price across the window.
Median £/sqm
12 month
3 year
Flats
£1,972
n = 9
£1,767
n = 37
Houses
£2,278
n = 177
£2,183
n = 620
Typical price per square metre, where floor area is available.
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PRICE MATRIX
Sales by window, type, and floor area.
Headline price
Mean
Houses
Climbing
+7.9% vs 12m
+9.0% vs 3y
£115k£230k£188k£190k£205k3Yn=64112Mn=1826Mn=53
Flats
Buoyant
+59.7% vs 12m
+64.7% vs 3y
£85k£170k£95k£98k£157k3Yn=4112Mn=106Mn=4
Bar height = median sale price. Tick = mean. Trend word reads the joint state of the 6m-vs-12m and 6m-vs-3y tiers.
Size-normalised — £ per sqm
Mean
Houses
Climbing
+8.6% vs 12m
+13.3% vs 3y
£0£1,300£2,600£2,183£2,278£2,4733Yn=62012Mn=1776Mn=53
Flats
Buoyant
+12.9% vs 12m
+26.0% vs 3y
£0£1,200£2,400£1,767£1,972£2,2263Yn=3712Mn=96Mn=4
From EPC-matched floor area. Hatched bars mark windows where fewer than 60% of sales matched a certificate.
Show numbers
Houses · 6m
Avg £
£212k
n=53
Median £
£205k
n=53
Avg £/sqm
£2,467
n=53
Median £/sqm
£2,473
n=53
Houses · 12m
Avg £
£218k
n=182
Median £
£190k
n=182
Avg £/sqm
£2,366
n=177
Median £/sqm
£2,278
n=177
Houses · 3y
Avg £
£213k
n=641
Median £
£188k
n=641
Avg £/sqm
£2,262
n=620
Median £/sqm
£2,183
n=620
Flats · 6m
Avg £
£144k
n=4
Median £
£157k
n=4
Avg £/sqm
£2,181
n=4
Median £/sqm
£2,226
n=4
Flats · 12m
Avg £
£120k
n=10
Median £
£98k
n=10
Avg £/sqm
£1,888
n=9
Median £/sqm
£1,972
n=9
Flats · 3y
Avg £
£109k
n=41
Median £
£95k
n=41
Avg £/sqm
£1,868
n=37
Median £/sqm
£1,767
n=37
PRICE + VOLUME · 25Y
Medians and monthly sales, 2001–present.
£24k£114k£205k20052010201520202025Median house · 12m smoothedMedian flat · 12m smoothedSales volume (monthly)
EPC · 25Y
Certificates issued, by band.
Median EPC score
67
Median potential
82
061412282010201520202025
A
B
C
D
E
F
G
COUNCIL TAX
Band distribution.
Column width shows the number of properties in each council tax band. Colour shows the composition within that band.
Flats/maisonettes
Band A
2,401
Flats/maisonettes
Terraced
Semi-detached
Band B
4,328
Terraced
Semi-detached
Band C
4,599
Terraced
Semi-detached
Detached
Bungalows
Band D
3,199
Semi-detached
Detached
Bungalows
Band E
1,523
Detached
Band F
824
Detached
Band G
308
Detached
Band H
30
Detached
Band I
16
Flats/maisonettes
Terraced houses
Semi-detached houses
Detached houses
Bungalows
Other/unknown
Property type totals
Flats/maisonettes
3,618
21%
Terraced houses
5,661
32%
Semi-detached houses
4,297
25%
Detached houses
2,562
15%
Bungalows
1,277
7.3%
Other/unknown
6
<1%
AMENITIES
Transport access and schools.
Counts of public transport stop points and schools inside the outcode (or within ~100m of the boundary). Drill into a sector for the full stop-by-stop list.
Rail stations
1
Metro & tram
0
Bus & coach
6
Bus stops
244
Schools
18
SECTORS
Drill down to sector.
Drill in
Open the full report for any LL57 sector.
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COVERAGE
Neighbourhoods and wards.
Neighbourhoods (MSOA)
4 · click column to sort
Bethesda
3,102
3,317
Bangor City
4,469
2,995
Bangor South
3,476
2,944
Llanberis & Deiniolen
818
844
Wards
11 · click column to sort
Canol Bangor
2,904
2,254
Dwyrain Bangor
2,838
1,560
Y Faenol
1,001
949
Gerlan
635
913
Dewi
867
878
Tre-garth a Mynydd Llandygái
744
800
Canol Bethesda
829
707
Glyder
625
578
Arllechwedd
696
569
Rachub
467
533
Penisa'r-waun
259
359
NEARBY OUTCODES
Nearby outcodes.
FAQ

LL57 property data — common questions

What is the average house price in Gwynedd (LL57)?
Over the last 12 months the median house sale price in LL57 (Gwynedd) was £190k, with an average of £218k, from 182 recorded sales (HM Land Registry).
How much do flats cost in LL57?
The median flat sale price in LL57 over the last 12 months was £98k (about £1,972 per square metre), from 10 recorded sales.
What is the price per square metre in LL57?
Typical sale prices per square metre in LL57 are £2,278 for houses and £1,972 for flats, where floor area is recorded on the energy certificate.
What EPC rating do homes in LL57 have?
Homes in LL57 most commonly hold EPC band D, with a median current energy-efficiency score of 67 (a potential of 82 after improvements).
How many properties sold in LL57 in the last year?
192 properties were sold in LL57 over the last 12 months, and 682 over the last three years (HM Land Registry Price Paid data).
REFRESHED 13 JUN 2026 ·DATA & SOURCES