House prices on Lon Llainffynnon
Median value — November 2026
£153,000
Modelled from 13 properties Stede tracks in Lon Llainffynnon
Market snapshot
£153,000
Median value
£163,077
Average value
0
Sales in the last 12 months
+2%
Change over the past year
Value over time
- Modelled value
- Projected
Modelled month by month from the UK House Price Index, averaged across every property type Stede tracks here.
View as a table
| Year | Modelled value |
|---|---|
| 2000 | £52,931 |
| 2001 | £55,047 |
| 2002 | £71,629 |
| 2003 | £93,511 |
| 2004 | £128,462 |
| 2005 | £135,815 |
| 2006 | £145,043 |
| 2007 | £151,506 |
| 2008 | £139,673 |
| 2009 | £137,847 |
| 2010 | £136,624 |
| 2011 | £139,353 |
| 2012 | £135,239 |
| 2013 | £130,944 |
| 2014 | £138,929 |
| 2015 | £138,745 |
| 2016 | £147,578 |
| 2017 | £152,109 |
| 2018 | £154,752 |
| 2019 | £164,399 |
| 2020 | £175,512 |
| 2021 | £188,889 |
| 2022 | £210,023 |
| 2023 | £210,805 |
| 2024 | £202,207 |
| 2025 | £205,131 |
| 2026 | £211,000 |
There aren't enough recorded sales on Lon Llainffynnon alone to model a trend for it, so this line shows Caernarfon instead.
Property types
- Mid-terrace house69%£148,000
- Semi-detached house23%£205,000
- Detached house8%£174,000
Recent sales
- Rhes Gosen, 5, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TR£245,000 · 2024£268,000
- Tyn Y Weirglodd, 5, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TT£140,000 · 2023£155,000
- Llain Ffynnon, 2, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TS£150,000 · 2021£118,000
- Tan Y Bryn, 2, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TP£160,000 · 2021£205,000
- Llain Ffynnon, 4, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TS£145,000 · 2019£194,000
- Rhes Gosen, 2, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TR£90,000 · 2016£133,000
- Tyn Y Weirglodd, 3, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TT£85,000 · 2012£133,000
- Tan Y Bryn, 1, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TP£96,000 · 2011£164,000
Addresses in Lon Llainffynnon
- Llain Ffynnon, 2, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TS£150,000 · 2021£118,000
- Llain Ffynnon, 3, Lon Llainffynnon, Groeslon, Caernarfon, Arfon, Gwynedd, LL54 7TS£38,500 · 1995£153,000
- Llain Ffynnon, 4, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TS£145,000 · 2019£194,000
- Rhes Gosen, 1, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TR£40,000 · 2001£148,000
- Rhes Gosen, 2, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TR£90,000 · 2016£133,000
- Rhes Gosen, 3, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TR£34,500 · 2002£127,000
- Rhes Gosen, 4, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TR£98,500 · 2009£148,000
- Rhes Gosen, 5, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TR£245,000 · 2024£268,000
- Tan Y Bryn, 1, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TP£96,000 · 2011£164,000
- Tan Y Bryn, 2, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TP£160,000 · 2021£205,000
- Tyn Y Weirglodd, 1, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TT£92,500 · 2005£174,000
- Tyn Y Weirglodd, 3, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TT£85,000 · 2012£133,000
- Tyn Y Weirglodd, 5, Lon Llainffynnon, Groeslon, Caernarfon, Gwynedd, LL54 7TT£140,000 · 2023£155,000
About this area
Lon Llainffynnon, in Caernarfon, is a street. Stede can model 13 properties there, from HM Land Registry Price Paid Data and the UK House Price Index.
As of November 2026, Lon Llainffynnon has a median estimated value of £153,000 and an average of £163,077.
Modelled values in Lon Llainffynnon are +2% over the past year and +12% over five years.
The market here is mostly mid-terrace houses, which make up 69% of the properties Stede tracks in Lon Llainffynnon.
Common questions
What is the average house price in Lon Llainffynnon?
As of November 2026, the average estimated value is £163,077 and the median is £153,000 across 13 properties Stede tracks in Lon Llainffynnon. This is not a formal market valuation.
Are house prices in Lon Llainffynnon going up or down?
Modelled values in Lon Llainffynnon are +2% over the past year and +12% over five years, based on the UK House Price Index.
What types of property are in Lon Llainffynnon?
69% of the properties Stede tracks in Lon Llainffynnon are mid-terrace houses. semi-detached houses are next most common, at 23%.
How many properties are in Lon Llainffynnon?
Stede can model 13 properties in Lon Llainffynnon, with 0 recorded sales in the past 12 months.
How does Stede calculate house prices for Lon Llainffynnon?
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources used for every individual property valuation on Stede. Full detail is on the methodology page.
How we calculate this
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources behind every individual property valuation on Stede.
Read the full methodology and data sources →