Detached
£263,000
77% above the Llanllyfni average
15.7% of sales
What is the average house price in Llanllyfni? £148,267
The average house price in Llanllyfni is £148,267, based on 39 homes sold in the 12 months to September 2026. Prices are down 8.4% (£13,548) on a year earlier.
- 1 year change
- −8.4%
- Sold in 12 months
- 39
- Data up to
- September 2026
Sold prices from HM Land Registry, not asking prices. How we calculate this
How much does each type of property cost in Llanllyfni?
Average sold price by property type, and each type's share of recent sales.
Semi-detached
£142,357
4% below the Llanllyfni average
14.5% of sales
Terraced
£129,963
12% below the Llanllyfni average
69.9% of sales
Are house prices in Llanllyfni going up or down?
House prices in Llanllyfni are falling: down 8.4% (£13,548) over the past year. Over the past 10 years, prices are up 52.9% (£51,303).
Past 12 months
−8.4%
−£13,548From £161,815 to £148,267
£161,815£146,716
Past 10 years
+52.9%
+£51,303From £96,964 to £148,267
£161,815£96,964
Quick answers for Llanllyfni
9 key facts at a glance.
When did prices peak?
£313,000
Highest average, reached in May 2009
How many homes sold?
39
Recorded so far for the 12 months to September 2026
What sells most often?
Terraced houses
69.9% of recent sales
What is the most common price range?
£100k - £150k
42.2% of sales
How many people live in Llanllyfni?
4,109
248 people per square mile · Typical (Census 2021)
Population density is Typical, on a scale from Very Low to Very High.
Usual residents, including communal establishments.
How many households are in Llanllyfni?
1,782
108 households per square mile · High (Census 2021)
Household density is High, on a scale from Very Low to Very High.
Occupied households, not communal establishments.
How much green space is in Llanllyfni?
28 m² per resident
Less green space per resident than 55% of areas in England and Wales. That's about 3.9 football pitches for every 1,000 residents.
0.3% of the area · 0 public parks. Parks, playing fields, allotments and other public green space, not counting golf courses. Contains OS data © Crown copyright and database right 2026.
What is the crime rate in Llanllyfni?
54 crimes per 1,000 residents
Typical · −32.7% on the previous year · 12 months to September 2026
Crime rate is Typical, on a scale from Very Low to Very High.
Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk.
How does Llanllyfni rank?
63rd most expensive area of Gwynedd.
Compared with 64 areas
What are the most expensive homes sold in Llanllyfni?
The highest recorded sale prices in Llanllyfni, from HM Land Registry.
How do house prices in Llanllyfni compare with nearby areas?
Llanllyfni compared with the 6 nearest other areas in Gwynedd.
Llanllyfni vs Clynnog
- Llanllyfni
- £148,267
- Clynnog
- £269,846+£121,579
Open comparison
Llanllyfni vs Llandwrog
- Llanllyfni
- £148,267
- Llandwrog
- £272,446+£124,179
Open comparison
Llanllyfni vs Llanwnda
- Llanllyfni
- £148,267
- Llanwnda
- £266,300+£118,033
Open comparison
Llanllyfni vs Betws Garmon
- Llanllyfni
- £148,267
- Betws Garmon
- £286,100+£137,833
Open comparison
Llanllyfni vs Dolbenmaen
- Llanllyfni
- £148,267
- Dolbenmaen
- £171,166+£22,899
Open comparison
Llanllyfni vs Waunfawr
- Llanllyfni
- £148,267
- Waunfawr
- £233,115+£84,848
Open comparison
Thinking of buying in Llanllyfni?
There's a lot to think about. Whether it's a home to live in or a buy-to-let, our free checklist walks you through what to check before you make an offer.
What to check before you buyWhere does this data come from?
Price information is from HM Land Registry, location boundaries are from OpenStreetMap, and households and population are from Nomis Census 2021 postcode estimates (21 March 2021). Parks and green space are from OS Open Greenspace. Contains OS data © Crown copyright and database right 2026. Crime is from police.uk street-level data. Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk.
Last updated 6 November 2026 at 00:19 with the latest Land Registry data (September 2026). The Llanllyfni dataset covers 167 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.