How much is 23 Castle Square, Caernarfon, Gwynedd, LL55 2NA worth?
Estimated value — July 2026
£1,869,000
Latest recorded sale January 2017
65%
confidence
Medium
Property details
Property
Castle Square · Caernarfon · LL55 2NA
Address
- District
- Gwynedd
- County
- Gwynedd
Value over time
- Modelled value
- Recorded sale
- Today's estimate
Modelled by indexing this property's most recent recorded sale, month by month, against the UK House Price Index for its area and property type. Earlier sales are shown as recorded. Today's estimate also uses the property's earlier sales, so it can sit a little off the line.
View as a table
| Year | Modelled value | Recorded sale |
|---|---|---|
| 2017 | £1,337,906 | £1,273,000 |
| 2018 | £1,361,156 | — |
| 2019 | £1,446,002 | — |
| 2020 | £1,543,750 | — |
| 2021 | £1,661,410 | — |
| 2022 | £1,847,296 | — |
| 2023 | £1,854,180 | — |
| 2024 | £1,778,551 | — |
| 2025 | £1,802,666 | — |
| 2026 | £1,868,831 | — |
Sale history
Mortgage calculator
£10,031
Estimated monthly repayment
£1,682,100
Loan amount
£1,929,071
Total interest
£3,611,171
Total repayable
A guide only, based on a capital repayment mortgage held at a constant interest rate for the full term. Not a mortgage offer or financial advice.
About this property
23 Castle Square, Caernarfon, Gwynedd, LL55 2NA is a property on Castle Square in Caernarfon, Gwynedd. Stede's estimated value for July 2026 is £1,869,000. It re-indexes the property's recorded sale prices to today using the UK House Price Index. The confidence score is 65 out of 100 (medium), based on how recent the most recent recorded sale is.
It last sold in January 2017 for £1,273,000. The current estimate is 47% higher than that price. The current owner has held it for about 9 years.
The modelled value is up 6% over the past year and up 15% over the past five years.
Common questions
How much is 23 Castle Square, Caernarfon, Gwynedd, LL55 2NA worth?
Stede estimates 23 Castle Square, Caernarfon, Gwynedd, LL55 2NA is worth £1,869,000 as of July 2026. The estimate is generated automatically from recorded sale prices and the UK House Price Index, and is not a formal valuation.
When did 23 Castle Square, Caernarfon, Gwynedd, LL55 2NA last sell?
It last sold in January 2017 for £1,273,000.
What type of property is 23 Castle Square, Caernarfon, Gwynedd, LL55 2NA?
Its property type is not recorded in the available sale data.
How reliable is this estimate?
The confidence score is 65 out of 100 (medium), which reflects how recent the most recent recorded sale is rather than local market volatility. The figure is a data model, not a RICS valuation or Home Report, and should not be used for mortgage or legal decisions.
How does Stede calculate this estimate?
Stede re-indexes this property's recorded sale prices to today using the House Price Index for its type and region, and tests the result against real sales to set the likely range and confidence. Full detail is on the methodology page.
How we calculated this
This estimate re-indexes the property's recorded sale prices to today with the UK House Price Index for its area and type. The confidence score reflects how recent the most recent recorded sale is.
2
Valuation methods used
1
Recorded sales on file
2017
Most recent recorded sale