How much is 4 Lon Y Llyn, Caerphilly, CF83 1BY worth?
Estimated value — July 2026
£352,000
Likely range £253,000 – £443,000Four in five similar homes sold within their range when we tested it.
Latest recorded sale December 1997
40%
confidence
Low
Typically within 15% of the sale price
Property details
Semi-detached house
Lon Y Llyn · Caerphilly · CF83 1BY
Address
- District
- Caerphilly
- County
- Caerphilly
Value over time
- Modelled value
- Likely range (80%)
- 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. The shaded band is where four in five prices fell when we tested this line against real sales of similar homes; it widens the further a month is from the most recent sale.
View as a table
| Year | Modelled value | Likely range |
|---|---|---|
| 2000 | £78,886 | £66,538 – £86,688 |
| 2001 | £82,699 | £69,822 – £92,138 |
| 2002 | £104,425 | £87,917 – £117,802 |
| 2003 | £134,327 | £111,926 – £153,550 |
| 2004 | £171,389 | £142,425 – £197,194 |
| 2005 | £186,089 | £154,636 – £217,400 |
| 2006 | £194,723 | £162,299 – £232,250 |
| 2007 | £202,946 | £169,330 – £246,969 |
| 2008 | £182,247 | £151,715 – £224,235 |
| 2009 | £179,241 | £147,549 – £221,941 |
| 2010 | £174,749 | £142,909 – £220,475 |
| 2011 | £185,064 | £151,561 – £233,589 |
| 2012 | £177,197 | £145,495 – £225,645 |
| 2013 | £180,547 | £146,360 – £233,070 |
| 2014 | £194,460 | £160,117 – £250,933 |
| 2015 | £198,604 | £165,053 – £257,579 |
| 2016 | £201,289 | £166,573 – £263,121 |
| 2017 | £217,130 | £179,883 – £294,070 |
| 2018 | £234,595 | £196,044 – £329,327 |
| 2019 | £239,697 | £200,774 – £341,541 |
| 2020 | £256,489 | £214,086 – £364,176 |
| 2021 | £288,654 | £240,330 – £408,325 |
| 2022 | £325,315 | £268,891 – £462,043 |
| 2023 | £321,810 | £270,710 – £463,131 |
| 2024 | £336,041 | — |
| 2025 | £340,684 | — |
| 2026 | £351,816 | — |
Sale history
Mortgage calculator
£1,889
Estimated monthly repayment
£316,800
Loan amount
£363,314
Total interest
£680,114
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
- 6 Lon Y Llyn, Caerphilly, CF83 1BY£271,000 · 2025£272,000
- 2 Lon Y Llyn, Caerphilly, CF83 1BY£246,250 · 2021£300,000
- 14 Lon Y Llyn, Caerphilly, CF83 1BY£184,950 · 2018£291,000
- 26 Lon Y Llyn, Caerphilly, CF83 1BY£66,000 · 2001£289,000
- 24 Lon Y Llyn, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 1BY£52,000 · 1995£287,000
- 28 Lon Y Llyn, Caerphilly, CF83 1BY£215,625 · 2026£222,000
- 18 Lon Y Llyn, Caerphilly, CF83 1BY£192,000 · 2021£261,000
- Rosary Cottage, Lon Y Llyn, Caerphilly, CF83 1BY£265,000 · 2019£382,000
- Moat House Inn, 30, Lon Y Llyn, Caerphilly, CF83 1BY£554,098 · 2019£625,000
- The Moat House Inn, Lon Y Llyn, Caerphilly, CF83 1BY£11,450,000 · 2017£18,681,000
About this property
4 Lon Y Llyn, Caerphilly, CF83 1BY is a semi-detached house on Lon Y Llyn in Caerphilly. Stede's estimated value for July 2026 is £352,000. Four in five similar homes sold within their likely range when tested; for this property that range is £253,000 to £443,000. It re-indexes the property's recorded sale prices to today using the UK House Price Index. The confidence score is 40 out of 100 (low): estimates like this one are typically within 15% of the eventual sale price.
It last sold in December 1997 for £68,000. The current estimate is 418% higher than that price. The current owner has held it for about 29 years.
The modelled value is up 5% over the past year and up 26% over the past five years.
Among 10 nearby properties Stede tracks in the CF83 area, estimated values run from £222,000 to £18,681,000. This semi-detached house's £352,000 sits toward the upper end of that range.
Common questions
How much is 4 Lon Y Llyn, Caerphilly, CF83 1BY worth?
Stede estimates 4 Lon Y Llyn, Caerphilly, CF83 1BY is worth £352,000 as of July 2026, within a likely range of £253,000 to £443,000. The estimate is generated automatically from recorded sale prices and the UK House Price Index, and is not a formal valuation.
When did 4 Lon Y Llyn, Caerphilly, CF83 1BY last sell?
It last sold in December 1997 for £68,000.
What type of property is 4 Lon Y Llyn, Caerphilly, CF83 1BY?
It is recorded as a Semi-detached house on Lon Y Llyn in the CF83 postcode area.
How reliable is this estimate?
The confidence score is 40 out of 100 (low). Tested against real sales of similar homes, estimates like this one are typically within 15% of the sale price, and four in five sold within their likely range. 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. Its range and confidence come from testing the same method against 58,473 real sales of similar homes.
2
Valuation methods used
1
Recorded sales on file
1997
Most recent recorded sale