How much is 27 William Street, Caernarfon, Gwynedd, LL55 1ND worth?
Estimated value — October 2026
£70,000
Likely range £70,000 – £70,000
Latest recorded sale February 1996
0%
confidence
Low
Property details
Mid-terrace house
William Street · Caernarfon · LL55 1ND
Energy performance
Mains Gas (Not Community) · EPC 9336-2329-7500-0477-8222 · inspected January 2026
Address
- District
- Gwynedd
- County
- Gwynedd
Value over time
- Modelled value
- 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 blends in the other valuation methods, so it can sit a little off the line.
View as a table
| Year | Modelled value |
|---|---|
| 2000 | £16,518 |
| 2001 | £17,219 |
| 2002 | £22,473 |
| 2003 | £29,901 |
| 2004 | £41,996 |
| 2005 | £44,795 |
| 2006 | £48,104 |
| 2007 | £50,256 |
| 2008 | £46,416 |
| 2009 | £45,944 |
| 2010 | £44,962 |
| 2011 | £45,548 |
| 2012 | £44,434 |
| 2013 | £42,977 |
| 2014 | £45,575 |
| 2015 | £45,304 |
| 2016 | £47,894 |
| 2017 | £49,277 |
| 2018 | £50,089 |
| 2019 | £53,291 |
| 2020 | £57,105 |
| 2021 | £61,405 |
| 2022 | £68,718 |
| 2023 | £68,879 |
| 2024 | £66,498 |
| 2025 | £67,635 |
| 2026 | £70,139 |
Sale history
Mortgage calculator
£376
Estimated monthly repayment
£63,000
Loan amount
£72,250
Total interest
£135,250
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.
Related properties
- 34 William Street, Caernarfon, Gwynedd, LL55 1ND£90,000 · 2025£94,000
- 28 William Street, Caernarfon, Gwynedd, LL55 1ND£90,000 · 2024£94,000
- 36 William Street, Caernarfon, Gwynedd, LL55 1ND£57,000 · 2005£89,000
- 37 William Street, Caernarfon, Gwynedd, LL55 1ND£111,000 · 2024£119,000
- 4 William Street, Caernarfon, Gwynedd, LL55 1ND£118,000 · 2023£119,000
- 39 William Street, Caernarfon, Gwynedd, LL55 1ND£110,000 · 2022£113,000
- 40 William Street, Caernarfon, Gwynedd, LL55 1ND£134,000 · 2022£140,000
- 20 William Street, Caernarfon, Gwynedd, LL55 1ND£107,500 · 2022£115,000
- 29 William Street, Caernarfon, Gwynedd, LL55 1ND£102,000 · 2021£118,000
- 21 William Street, Caernarfon, Gwynedd, LL55 1ND£90,000 · 2020£111,000
About this property
27 William Street, Caernarfon, Gwynedd, LL55 1ND is a mid-terrace house on William Street in Caernarfon, Gwynedd. Stede's estimated value for October 2026 is £70,000. It is the average of 2 independent methods that re-index recorded sale prices to today. The confidence score is 0 out of 100 (low), based on how recent the most recent recorded sale is.
It last sold in February 1996 for £12,500. The current estimate is 460% higher than that price. The current owner has held it for about 30 years.
Its EPC energy-efficiency rating is band D (66 out of 100), with a potential of band C (77) after the recommended improvements. The certificate records a total floor area of 56 m² (603 sq ft). It was lodged in January 2026.
The modelled value is up 6% over the past year and up 15% over the past five years.
Among 10 nearby properties Stede tracks in the LL55 area, estimated values run from £89,000 to £140,000. This mid-terrace house's £70,000 sits below that range.
Common questions
How much is 27 William Street, Caernarfon, Gwynedd, LL55 1ND worth?
Stede estimates 27 William Street, Caernarfon, Gwynedd, LL55 1ND is worth £70,000 as of October 2026. The estimate is generated automatically from recorded sale prices and the UK House Price Index, and is not a formal valuation.
When did 27 William Street, Caernarfon, Gwynedd, LL55 1ND last sell?
It last sold in February 1996 for £12,500.
What type of property is 27 William Street, Caernarfon, Gwynedd, LL55 1ND?
It is recorded as a Mid-terrace house on William Street in the LL55 postcode area.
What is the EPC rating of 27 William Street, Caernarfon, Gwynedd, LL55 1ND?
27 William Street, Caernarfon, Gwynedd, LL55 1ND has an EPC energy-efficiency rating of band D (66 out of 100). Its potential rating after the recommended improvements is band C (77). The certificate records a floor area of 56 m² (603 sq ft). EPC data is published by the Ministry of Housing, Communities & Local Government and reflects the most recent certificate on record.
How reliable is this estimate?
The confidence score is 0 out of 100 (low), 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 runs 2 independent methods that re-index this property's recorded sale prices to today using the House Price Index for its type and region, then takes the average. Full detail is on the methodology page.
How we calculated this
This estimate averages 2 valuation methods, each re-indexing recorded sale prices to today. The confidence score reflects how recent the most recent recorded sale is.
2
Valuation methods used
1
Recorded sales on file
1996
Most recent recorded sale