AREA REPORT · GWYNEDD LL54

LL54.

Gwynedd

LL54 is an outcode in Gwynedd, covering the neighbourhoods of Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle, Caernarfon West & Waunfawr, Cricieth & Llanaelhaearn and Porthmadog. Over the last 12 months 77 properties changed hands — a median of for flats (£0/sqm) and £165k for houses (£2,121/sqm). Housing stock peaks at EPC band D.

Recorded dwellings
4,453
residential addresses we hold records for
Across
3
sectors — see breakdown below
Sales
12 month
3 year
Flats
0
0
Houses
77
339
Recorded transactions across the area.
Median sale price
12 month
3 year
Flats
n = 0
n = 0
Houses
£165k
n = 77
£160k
n = 339
Median sale price across the window.
Median £/sqm
12 month
3 year
Flats
n = 0
n = 0
Houses
£2,121
n = 73
£2,047
n = 324
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
·Plateauing
+0.6% vs 12m
+3.8% vs 3y
£105k£210k£160k£165k£166k3Yn=33912Mn=776Mn=25
Flats
·Limited data
vs 12m
vs 3y
£0.55£1.13Yn=012Mn=06Mn=0
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
+9.9% vs 12m
+13.9% vs 3y
£0£1,250£2,500£2,047£2,121£2,3313Yn=32412Mn=736Mn=24
Flats
·Limited data
vs 12m
vs 3y
£0£1£13Yn=012Mn=06Mn=0
From EPC-matched floor area. Hatched bars mark windows where fewer than 60% of sales matched a certificate.
Show numbers
Houses · 6m
Avg £
£191k
n=25
Median £
£166k
n=25
Avg £/sqm
£2,280
n=24
Median £/sqm
£2,331
n=24
Houses · 12m
Avg £
£197k
n=77
Median £
£165k
n=77
Avg £/sqm
£2,190
n=73
Median £/sqm
£2,121
n=73
Houses · 3y
Avg £
£190k
n=339
Median £
£160k
n=339
Avg £/sqm
£2,191
n=324
Median £/sqm
£2,047
n=324
Flats · 6m
Avg £
n=0
Median £
n=0
Avg £/sqm
£0
n=0
Median £/sqm
£0
n=0
Flats · 12m
Avg £
n=0
Median £
n=0
Avg £/sqm
£0
n=0
Median £/sqm
£0
n=0
Flats · 3y
Avg £
n=0
Median £
n=0
Avg £/sqm
£0
n=0
Median £/sqm
£0
n=0
PRICE + VOLUME · 25Y
Medians and monthly sales, 2001–present.
£0k£93k£186k20052010201520202025Median house · 12m smoothedMedian flat · 12m smoothedSales volume (monthly)
EPC · 25Y
Certificates issued, by band.
Median EPC score
55
Median potential
82
03997982010201520202025
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
Terraced
Bungalows
Band A
1,564
Terraced
Semi-detached
Band B
2,734
Terraced
Semi-detached
Detached
Bungalows
Band C
1,653
Semi-detached
Detached
Bungalows
Band D
1,449
Detached
Bungalows
Band E
977
Detached
Bungalows
Band F
337
Detached
Band G
98
Band H
0
Band I
0
Flats/maisonettes
Terraced houses
Semi-detached houses
Detached houses
Bungalows
Other/unknown
Property type totals
Flats/maisonettes
248
2.8%
Terraced houses
3,060
34%
Semi-detached houses
1,618
18%
Detached houses
2,370
27%
Bungalows
1,547
17%
Other/unknown
43
<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
0
Metro & tram
3
Bus & coach
0
Bus stops
230
Schools
13
SECTORS
Drill down to sector.
Drill in
Open the full report for any LL54 sector.
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COVERAGE
Neighbourhoods and wards.
Neighbourhoods (MSOA)
4 · click column to sort
Pen-y-groes, Tal-y-sarn & Dyffryn Nantlle
3,567
3,072
Caernarfon West & Waunfawr
1,091
999
Cricieth & Llanaelhaearn
563
459
Porthmadog
5
1
Wards
11 · click column to sort
Llanllyfni
958
941
Y Groeslon
620
673
Pen-y-groes
765
611
Tryfan
959
610
Llanwnda
529
494
Clynnog
588
493
Yr Eifl
563
459
Waunfawr
110
122
Y Bontnewydd
112
122
Canol Tref Caernarfon
17
5
Dolbenmaen
5
1
NEARBY OUTCODES
Nearby outcodes.
FAQ

LL54 property data — common questions

What is the average house price in Gwynedd (LL54)?
Over the last 12 months the median house sale price in LL54 (Gwynedd) was £165k, with an average of £197k, from 77 recorded sales (HM Land Registry).
What is the price per square metre in LL54?
Typical sale prices per square metre in LL54 are £2,121 for houses and £0 for flats, where floor area is recorded on the energy certificate.
What EPC rating do homes in LL54 have?
Homes in LL54 most commonly hold EPC band D, with a median current energy-efficiency score of 55 (a potential of 82 after improvements).
How many properties sold in LL54 in the last year?
77 properties were sold in LL54 over the last 12 months, and 339 over the last three years (HM Land Registry Price Paid data).
REFRESHED 13 JUN 2026 ·DATA & SOURCES