Detached
£305,598
35% above the Llanddeiniolen average
43.0% of sales
What is the average house price in Llanddeiniolen? £226,884
The average house price in Llanddeiniolen is £226,884, based on 55 homes sold in the 12 months to September 2026. Prices are up 1.4% (£3,146) on a year earlier.
- 1 year change
- +1.4%
- Sold in 12 months
- 55
- 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 Llanddeiniolen?
Average sold price by property type, and each type's share of recent sales.
Semi-detached
£217,535
4% below the Llanddeiniolen average
22.8% of sales
Terraced
£121,078
47% below the Llanddeiniolen average
34.2% of sales
Are house prices in Llanddeiniolen going up or down?
House prices in Llanddeiniolen are rising: up 1.4% (£3,146) over the past year. Over the past 10 years, prices are up 53.2% (£78,766).
Past 12 months
+1.4%
+£3,146From £223,738 to £226,884
£230,347£207,612
Past 10 years
+53.2%
+£78,766From £148,118 to £226,884
£238,847£148,118
Quick answers for Llanddeiniolen
9 key facts at a glance.
When did prices peak?
£392,500
Highest average, reached in May 2026
How many homes sold?
55
Recorded so far for the 12 months to September 2026
What sells most often?
Detached houses
43.0% of recent sales
What is the most common price range?
£200k - £300k
33.3% of sales
How many people live in Llanddeiniolen?
4,874
304 people per square mile · High (Census 2021)
Population density is High, on a scale from Very Low to Very High.
Usual residents, including communal establishments.
How many households are in Llanddeiniolen?
2,061
129 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 Llanddeiniolen?
293 m² per resident
More green space per resident than 97% of areas in England and Wales. That's about 41 football pitches for every 1,000 residents.
3.4% 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 Llanddeiniolen?
35 crimes per 1,000 residents
Low · +11.0% on the previous year · 12 months to September 2026
Crime rate is Low, 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 Llanddeiniolen rank?
39th most expensive area of Gwynedd.
Compared with 64 areas
What are the most expensive homes sold in Llanddeiniolen?
The highest recorded sale prices in Llanddeiniolen, from HM Land Registry.
How do house prices in Llanddeiniolen compare with nearby areas?
Llanddeiniolen compared with the 6 nearest other areas in Gwynedd.
Llanddeiniolen vs Llanrug
- Llanddeiniolen
- £226,884
- Llanrug
- £218,625−£8,259
Open comparison
Llanddeiniolen vs Pentir
- Llanddeiniolen
- £226,884
- Pentir
- £273,757+£46,873
Open comparison
Llanddeiniolen vs Llandygai
- Llanddeiniolen
- £226,884
- Llandygai
- £287,991+£61,107
Open comparison
Llanddeiniolen vs Y Felinheli
- Llanddeiniolen
- £226,884
- Y Felinheli
- £221,278−£5,606
Open comparison
Llanddeiniolen vs Waunfawr
- Llanddeiniolen
- £226,884
- Waunfawr
- £233,115+£6,231
Open comparison
Llanddeiniolen vs Llanberis
- Llanddeiniolen
- £226,884
- Llanberis
- £279,164+£52,280
Open comparison
Thinking of buying in Llanddeiniolen?
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 Llanddeiniolen dataset covers 192 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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