House prices on Castle Square
Median value — July 2026
£289,842
Modelled from 15 properties Stede tracks in Castle Square
Market snapshot
£289,842
Median value
£378,959
Average value
0
Sales in the last 12 months
+6%
Change over the past year
Value over time
- Modelled value
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 | £52,108 |
| 2001 | £54,192 |
| 2002 | £70,517 |
| 2003 | £92,059 |
| 2004 | £126,467 |
| 2005 | £133,706 |
| 2006 | £142,790 |
| 2007 | £149,153 |
| 2008 | £137,504 |
| 2009 | £135,706 |
| 2010 | £134,502 |
| 2011 | £137,189 |
| 2012 | £133,139 |
| 2013 | £128,911 |
| 2014 | £136,771 |
| 2015 | £136,590 |
| 2016 | £145,286 |
| 2017 | £149,747 |
| 2018 | £152,349 |
| 2019 | £161,846 |
| 2020 | £172,786 |
| 2021 | £185,956 |
| 2022 | £206,761 |
| 2023 | £207,532 |
| 2024 | £199,067 |
| 2025 | £201,766 |
| 2026 | £209,172 |
There aren't enough recorded sales on Castle Square alone to model a trend for it, so this line shows Caernarfon instead.
Property types
- Property60%£255,830
- Semi-detached house20%£342,570
- Mid-terrace house20%£315,647
Recent sales
- 13 Castle Square, Caernarfon, Gwynedd, LL55 2NF£177,500 · 2024£186,000
- 18 Castle Square, Caernarfon, Gwynedd, LL55 2NE£145,000 · 2024£155,000
- 14 Castle Square, Caernarfon, Gwynedd, LL55 2NF£230,000 · 2023£256,000
- 36 Castle Square, Caernarfon, Gwynedd, LL55 2NN£249,000 · 2018£360,000
- Natwest, Castle Square, Caernarfon, Gwynedd, LL55 2WY£207,500 · 2017£290,000
- 5 Castle Square, Caernarfon, Gwynedd, LL55 2NF£100,000 · 2017£143,000
- 9 Castle Square, Caernarfon, Gwynedd, LL55 2NF£10,000 · 2017£15,000
- 23 Castle Square, Caernarfon, Gwynedd, LL55 2NA£1,273,000 · 2017£1,869,000
Addresses in Castle Square
- 13 Castle Square, Caernarfon, Gwynedd, LL55 2NF£177,500 · 2024£186,000
- 14 Castle Square, Caernarfon, Gwynedd, LL55 2NF£230,000 · 2023£256,000
- 18 Castle Square, Caernarfon, Gwynedd, LL55 2NE£145,000 · 2024£155,000
- 23 Castle Square, Caernarfon, Gwynedd, LL55 2NA£1,273,000 · 2017£1,869,000
- 3 Castle Square, Caernarfon, Gwynedd, LL55 2NF£165,000 · 2005£289,000
- 32 Castle Square, Caernarfon, Gwynedd, LL55 2NN£217,375 · 2007£316,000
- 36 Castle Square, Caernarfon, Gwynedd, LL55 2NN£249,000 · 2018£360,000
- 4 Castle Square, Caernarfon, Gwynedd, LL55 2NF£90,000 · 2001£343,000
- 5 Castle Square, Caernarfon, Gwynedd, LL55 2NF£100,000 · 2017£143,000
- 7 Castle Square, Caernarfon, Gwynedd, LL55 2NF£250,000 · 2005£417,000
- 8 Castle Square, Caernarfon, Gwynedd, LL55 2NF£120,000 · 2005£186,000
- 9 Castle Square, Caernarfon, Gwynedd, LL55 2NF£10,000 · 2017£15,000
- Castle Hotel, Castle Square, Caernarfon, Gwynedd, LL55 2NN£75,000 · 1996£439,000
- Dental Surgery, 35, Castle Square, Caernarfon, Gwynedd, LL55 2NN£285,000 · 2016£422,000
- Natwest, Castle Square, Caernarfon, Gwynedd, LL55 2WY£207,500 · 2017£290,000
About this area
Castle Square, in Caernarfon, is a street. Stede can model 15 properties there, from HM Land Registry Price Paid Data and the UK House Price Index.
As of July 2026, Castle Square has a median estimated value of £289,842 and an average of £378,959.
Modelled values in Castle Square are +6% over the past year and +15% over five years.
The market here is mostly propertys, which make up 60% of the properties Stede tracks in Castle Square.
Common questions
What is the average house price in Castle Square?
As of July 2026, the average estimated value is £378,959 and the median is £289,842 across 15 properties Stede tracks in Castle Square. This is not a formal market valuation.
Are house prices in Castle Square going up or down?
Modelled values in Castle Square are +6% over the past year and +15% over five years, based on the UK House Price Index.
What types of property are in Castle Square?
60% of the properties Stede tracks in Castle Square are propertys. semi-detached houses are next most common, at 20%.
How many properties are in Castle Square?
Stede can model 15 properties in Castle Square, with 0 recorded sales in the past 12 months.
How does Stede calculate house prices for Castle Square?
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 →