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LL55 3NBHouse Prices / Wales, Gwynedd, Deiniolen, Caernarfon
Last updated May 2026
Key Postcode Insights
LL55 3NB is a residential postcode situated on Deiniolen, Caernarfon, LL55 with 6 addresses.
It ranks as the 410th largest and 517th most expensive of the 1,192 postcodes in the LL55 area. The dominant property type is a period house built between 1800 and 1911.
The postcode contains a total of 6 properties: 5 houses and 1 flat.
6
Properties
- Houses
- Flats
Key Postcode Insights
LL55 3NB is a residential postcode situated on Deiniolen, Caernarfon, LL55 with 6 addresses.
It ranks as the 410th largest and 517th most expensive of the 1,192 postcodes in the LL55 area. The dominant property type is a period house built between 1800 and 1911.
The postcode contains a total of 6 properties: 5 houses and 1 flat.
6
Properties
- Houses
- Flats
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House Pricesin LL55 3NB
Sale prices range from £147,140 for 3 bedroom Leasehold flats (1,345 ft2) to £305,031 for 5 bedroom freehold houses with a garden (2,325 ft2) .
Monthly rental prices range from £742 pcm for 3 bed flats to £1,353 pcm for 5 bed houses.
The gross rental yield is between 5.3% and 6.1%.
The average value per square foot is £181.
Average Sale Value
£211,939
Average Rental Value
£975 pcm
Average Rental Yield
5.5% /year
Average Value Per Sqft
£181 /ft2
Sales Market Trendsin LL55 3NB
The last sale in LL55 3NB sold for £212,000 on 21st June 2024. Since then prices are down an average of 0.4%.
The current average value in the postcode is £211,939.
The LL55 3NB Sales Market has increased by 34.9% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | -2.7% | £211,939 |
| April 2025 | 1.8% | £217,921 |
| April 2024 | -1.1% | £214,094 |
| April 2023 | 3.5% | £216,536 |
| April 2022 | 12.7% | £209,218 |
| April 2021 | 7.1% | £185,658 |
| April 2020 | 2.6% | £173,352 |
| April 2019 | 3.8% | £169,031 |
| April 2018 | 2.6% | £162,779 |
| April 2017 | 0.9% | £158,616 |
| April 2016 | 1.3% | £157,124 |
| April 2015 | 1% | £155,095 |
| April 2014 | 0.8% | £153,634 |
| April 2013 | 3.1% | £152,437 |
| April 2012 | -4.6% | £147,886 |
| April 2011 | 1% | £154,954 |
| April 2010 | 0.7% | £153,408 |
| April 2009 | -9.9% | £152,319 |
| April 2008 | -3.9% | £169,109 |
| April 2007 | 0% | £175,973 |
Rental Market Trendsin LL55 3NB
The current average rental value in the postcode is £975.
The LL55 3NB Rental Market has increased by 51.7% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 2.2% | £975pcm |
| April 2025 | 3.6% | £954pcm |
| April 2024 | 6.5% | £920pcm |
| April 2023 | 9.9% | £864pcm |
| April 2022 | 7.7% | £787pcm |
| April 2021 | 5.7% | £731pcm |
| April 2020 | 2.7% | £691pcm |
| April 2019 | 0.4% | £673pcm |
| April 2018 | 2.5% | £670pcm |
| April 2017 | 1.7% | £653pcm |
| April 2016 | 2.3% | £642pcm |
| April 2015 | 1% | £628pcm |
| April 2014 | 1.5% | £622pcm |
| April 2013 | 0.5% | £613pcm |
| April 2012 | 0.1% | £610pcm |
| April 2011 | 1.4% | £609pcm |
| April 2010 | -0.1% | £601pcm |
| April 2009 | -5.1% | £601pcm |
| April 2008 | 3.1% | £634pcm |
| April 2007 | 0% | £615pcm |
Properties and Buildingsin LL55 3NB, Deiniolen, Caernarfon, LL55
Sales Historyin LL55 3NB
The last sale was on 21st June 2024 for £212,000 and since then the market in the area has decreased by 0.4%. The postcode has had a total of 1 sales since 1995.
LL55 3NB has seen 1 sale in the last three years and no sales in the last twelve months.
Nearby Postcodesto LL55 3NB
LL55 3NB is the 410th largest and the 517th most expensive postcode out of the 1,192 postcodes in the LL55 area.
- 161 mLL55 3ND, Deiniolen, Caernarfon, LL55LL55 3ND4 Addresses
- 252 mLL55 3EE, Deiniolen, Caernarfon, LL55LL55 3EE5 Addresses
- 264 mLL55 3HH, Deiniolen, Caernarfon, LL55LL55 3HH5 Addresses
- 497 mLL55 3HL, Rhydfadog Estate, Deiniolen, Caernarfon, LL55LL55 3HL46 Addresses
- 509 mLL55 3EF, Gallt Y Foel, Caernarfon, LL55LL55 3EF17 Addresses
- 567 mLL55 3EP, Dinorwig, Caernarfon, LL55LL55 3EP2 Addresses
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Property Typesin LL55 3NB
- 3 period houses built between 1800 and 1911
- 3 period flats built between 1800 and 1911
- period house (3)
- period flat (3)
Energy Efficiencyof properties in LL55 3NB
- Energy Performance Certificate (EPC) surveys conducted for 4 properties.
- The dominant rating is E.
- A (0)
- E (2)
- B (0)
- F (0)
- C (1)
- G (1)
- D (0)
- No EPC (2)
Top 3 Most Expensive Saleson Deiniolen, Caernarfon
Schools Nearbyto LL55 3NB
Public Transport Nearbyto LL55 3NB
The closest station to LL55 3NB is Bangor (Gwynedd) station which is 8.7 kilometres away.
- 8.7kmBangor (Gwynedd)
- 10.5kmLlanfairpwll
- 15.3kmLlanfairfechan
- 17.2kmRoman Bridge
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