What is the average house price in Gwynedd (LL23)?

Over the last 12 months the median house sale price in LL23 (Gwynedd) was £150k, with an average of £204k, from 21 recorded sales (HM Land Registry).

What is the price per square metre in LL23?

Typical sale prices per square metre in LL23 are £2,033 for houses and £0 for flats, where floor area is recorded on the energy certificate.

What EPC rating do homes in LL23 have?

Homes in LL23 most commonly hold EPC band D, with a median current energy-efficiency score of 59 (a potential of 82 after improvements).

How many properties sold in LL23 in the last year?

21 properties were sold in LL23 over the last 12 months, and 104 over the last three years (HM Land Registry Price Paid data).

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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 21 properties changed hands — a median of — for flats (£0/sqm) and £150k for houses (£2,033/sqm). Housing stock peaks at EPC band D.

Recorded dwellings

1,671

residential addresses we hold records for

Across

sectors — see breakdown below

Sales

12 month

3 year

Flats

Houses

104

Recorded transactions across the area.

Median sale price

12 month

3 year

Flats

—

n = 0

—

n = 0

Houses

£150k

n = 21

£196k

n = 104

Median sale price across the window.

Median £/sqm

12 month

3 year

Flats

—

n = 0

—

n = 0

Houses

£2,033

n = 20

£2,087

n = 90

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

▲Rebounding

+19.3% vs 12m

−8.4% vs 3y

Flats

·Limited data

— vs 12m

— 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

▲Firming

+1.3% vs 12m

−1.3% vs 3y

Flats

·Limited data

— vs 12m

— 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 £

£185k

n=5

Median £

£179k

n=5

Avg £/sqm

£2,078

n=5

Median £/sqm

£2,059

n=5

Houses · 12m

Avg £

£204k

n=21

Median £

£150k

n=21

Avg £/sqm

£2,516

n=20

Median £/sqm

£2,033

n=20

Houses · 3y

Avg £

£246k

n=104

Median £

£196k

n=104

Avg £/sqm

£2,579

n=90

Median £/sqm

£2,087

n=90

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.

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

417

Terraced

Semi-detached

Band B

1,168

Terraced

Semi-detached

Detached

Bungalows

Band C

489

Semi-detached

Detached

Bungalows

Band D

871

Detached

Bungalows

Band E

836

Detached

Band F

298

Detached

Band G

127

Detached

Band H

Band I

Flats/maisonettes

Terraced houses

Semi-detached houses

Detached houses

Bungalows

Property type totals

Flats/maisonettes

304

7.3%

Terraced houses

1,049

25%

Semi-detached houses

631

15%

Detached houses

1,600

38%

Bungalows

584

14%

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 LL23 sector.

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Sector

Sales (3y)

Median house

Median flat

COVERAGE

Neighbourhoods and wards.

Neighbourhoods (MSOA)

1 · click column to sort

Bala & Mawddwy

1,809

1,484

Wards

3 · click column to sort

Y Bala

988

808

Llanuwchllyn

374

355

Llandderfel

447

321

FAQ

LL23 property data — common questions

What is the average house price in Gwynedd (LL23)?: Over the last 12 months the median house sale price in LL23 (Gwynedd) was £150k, with an average of £204k, from 21 recorded sales (HM Land Registry).
What is the price per square metre in LL23?: Typical sale prices per square metre in LL23 are £2,033 for houses and £0 for flats, where floor area is recorded on the energy certificate.
What EPC rating do homes in LL23 have?: Homes in LL23 most commonly hold EPC band D, with a median current energy-efficiency score of 59 (a potential of 82 after improvements).
How many properties sold in LL23 in the last year?: 21 properties were sold in LL23 over the last 12 months, and 104 over the last three years (HM Land Registry Price Paid data).

REFRESHED 13 JUN 2026 ·DATA & SOURCES