What is the average house price in Gwynedd (LL40)?

Over the last 12 months the median house sale price in LL40 (Gwynedd) was £200k, with an average of £211k, from 43 recorded sales (HM Land Registry).

How much do flats cost in LL40?

The median flat sale price in LL40 over the last 12 months was £142k (about £2,216 per square metre), from 4 recorded sales.

What is the price per square metre in LL40?

Typical sale prices per square metre in LL40 are £2,124 for houses and £2,216 for flats, where floor area is recorded on the energy certificate.

What EPC rating do homes in LL40 have?

Homes in LL40 most commonly hold EPC band D, with a median current energy-efficiency score of 58 (a potential of 81 after improvements).

How many properties sold in LL40 in the last year?

47 properties were sold in LL40 over the last 12 months, and 191 over the last three years (HM Land Registry Price Paid data).

PropXpertBeta

AREA REPORT · GWYNEDD LL40

LL40.

Gwynedd

LL40 is an outcode in Gwynedd, covering the neighbourhoods of Barmouth & Dolgellau, Tywyn & Llangelynnin, Bala & Mawddwy and Blaenau Ffestiniog & Trawsfynydd. Over the last 12 months 47 properties changed hands — a median of £142k for flats (£2,216/sqm) and £200k for houses (£2,124/sqm). Housing stock peaks at EPC band D.

Recorded dwellings

1,928

residential addresses we hold records for

Across

sectors — see breakdown below

Sales

12 month

3 year

Flats

Houses

179

Recorded transactions across the area.

Median sale price

12 month

3 year

Flats

£142k

n = 4

£138k

n = 12

Houses

£200k

n = 43

£200k

n = 179

Median sale price across the window.

Median £/sqm

12 month

3 year

Flats

£2,216

n = 4

£1,911

n = 11

Houses

£2,124

n = 37

£2,248

n = 162

Typical price per square metre, where floor area is available.

Sign in freeThe prices, EPC, transport and stock above are free. Sign in to add crime, broadband and the flood-risk map for LL40 — plus the full per-sector reports.

PRICE MATRIX

Sales by window, type, and floor area.

Headline price

Mean

Houses

▼Correcting

−12.5% vs 12m

−12.5% vs 3y

Flats

▼Correcting

−24.5% vs 12m

−22.2% vs 3y

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

▲Recovering

+5.8% vs 12m

0.0% vs 3y

Flats

▼Sliding

−13.8% vs 12m

0.0% vs 3y

From EPC-matched floor area. Hatched bars mark windows where fewer than 60% of sales matched a certificate.

›Show numbers

Segment

Avg £

Median £

Avg £/sqm

Median £/sqm

Houses · 6m

Avg £

£198k

n=14

Median £

£175k

n=14

Avg £/sqm

£2,361

n=11

Median £/sqm

£2,248

n=11

Houses · 12m

Avg £

£211k

n=43

Median £

£200k

n=43

Avg £/sqm

£2,243

n=37

Median £/sqm

£2,124

n=37

Houses · 3y

Avg £

£241k

n=179

Median £

£200k

n=179

Avg £/sqm

£2,366

n=162

Median £/sqm

£2,248

n=162

Flats · 6m

Avg £

£117k

n=3

Median £

£107k

n=3

Avg £/sqm

£1,779

n=3

Median £/sqm

£1,911

n=3

Flats · 12m

Avg £

£138k

n=4

Median £

£142k

n=4

Avg £/sqm

£1,984

n=4

Median £/sqm

£2,216

n=4

Flats · 3y

Avg £

£143k

n=12

Median £

£138k

n=12

Avg £/sqm

£2,008

n=11

Median £/sqm

£1,911

n=11

PRICE + VOLUME · 25Y

Medians and monthly sales, 2001–present.

EPC · 25Y

Certificates issued, by band.

Median EPC score

Median potential

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

Band A

512

Flats/maisonettes

Terraced

Band B

948

Terraced

Semi-detached

Bungalows

Band C

953

Semi-detached

Detached

Bungalows

Band D

750

Detached

Bungalows

Band E

875

Detached

Bungalows

Band F

454

Detached

Band G

124

Detached

Band H

Detached

Band I

Flats/maisonettes

Terraced houses

Semi-detached houses

Detached houses

Bungalows

Other/unknown

Property type totals

Flats/maisonettes

484

10%

Terraced houses

1,058

23%

Semi-detached houses

729

16%

Detached houses

1,619

35%

Bungalows

734

16%

Other/unknown

<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

Metro & tram

Bus & coach

Bus stops

Schools

SECTORS

Drill down to sector.

Drill in

Open the full report for any LL40 sector.

Crime, broadband and flood risk unlock right here, plus per-postcode sales, schools & Ofsted in every sector report. Free account, magic-link sign-in.

Continue with email

Sector

Sales (3y)

Median house

Median flat

COVERAGE

Neighbourhoods and wards.

Neighbourhoods (MSOA)

4 · click column to sort

Barmouth & Dolgellau

1,988

1,996

Tywyn & Llangelynnin

Blaenau Ffestiniog & Trawsfynydd

Bala & Mawddwy

Wards

6 · click column to sort

De Dolgellau

698

767

Gogledd Dolgellau

671

711

Brithdir and Llanfachreth/Ganllwyd/Llanelltyd

619

518

Arthog a Llangelynnin

Trawsfynydd

Llanuwchllyn

FAQ

LL40 property data — common questions

What is the average house price in Gwynedd (LL40)?: Over the last 12 months the median house sale price in LL40 (Gwynedd) was £200k, with an average of £211k, from 43 recorded sales (HM Land Registry).
How much do flats cost in LL40?: The median flat sale price in LL40 over the last 12 months was £142k (about £2,216 per square metre), from 4 recorded sales.
What is the price per square metre in LL40?: Typical sale prices per square metre in LL40 are £2,124 for houses and £2,216 for flats, where floor area is recorded on the energy certificate.
What EPC rating do homes in LL40 have?: Homes in LL40 most commonly hold EPC band D, with a median current energy-efficiency score of 58 (a potential of 81 after improvements).
How many properties sold in LL40 in the last year?: 47 properties were sold in LL40 over the last 12 months, and 191 over the last three years (HM Land Registry Price Paid data).

REFRESHED 13 JUN 2026 ·DATA & SOURCES