How much is 20 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE worth?
Estimated value — July 2026
£316,000
Likely range £226,000 – £382,000Four in five similar homes sold within their range when we tested it.
Latest recorded sale February 1999
39%
confidence
Low
Typically within 15% of the sale price
Property details
Detached house
Maes Gerddi · Porthmadog · LL49 9LE
Address
- District
- Gwynedd
- County
- Gwynedd
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 | £83,418 | £67,596 – £89,977 |
| 2001 | £86,434 | £72,614 – £94,728 |
| 2002 | £111,700 | £94,292 – £124,162 |
| 2003 | £141,796 | £119,437 – £159,626 |
| 2004 | £187,569 | £156,558 – £213,936 |
| 2005 | £195,938 | £162,898 – £225,194 |
| 2006 | £208,147 | £172,966 – £242,548 |
| 2007 | £217,959 | £181,574 – £259,060 |
| 2008 | £200,511 | £167,269 – £243,183 |
| 2009 | £198,509 | £165,315 – £243,794 |
| 2010 | £199,475 | £164,511 – £246,733 |
| 2011 | £205,113 | £167,924 – £257,971 |
| 2012 | £198,489 | £162,517 – £250,517 |
| 2013 | £192,182 | £157,731 – £244,366 |
| 2014 | £204,654 | £166,255 – £263,587 |
| 2015 | £206,239 | £169,372 – £266,150 |
| 2016 | £220,438 | £182,915 – £285,656 |
| 2017 | £227,540 | £188,431 – £297,045 |
| 2018 | £231,825 | £192,022 – £312,095 |
| 2019 | £245,914 | £205,205 – £343,128 |
| 2020 | £264,615 | £221,560 – £376,105 |
| 2021 | £284,636 | £237,719 – £404,379 |
| 2022 | £314,461 | £261,926 – £445,106 |
| 2023 | £315,425 | £261,032 – £447,695 |
| 2024 | £301,202 | £252,628 – £432,516 |
| 2025 | £304,226 | £255,918 – £437,825 |
| 2026 | £315,906 | — |
Sale history
Mortgage calculator
£1,696
Estimated monthly repayment
£284,400
Loan amount
£326,156
Total interest
£610,556
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
- 16 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE£235,000 · 2021£288,000
- 68 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE£225,000 · 2019£302,000
- 76 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE£220,000 · 2017£305,000
- 21 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE£180,000 · 2013£296,000
- 11 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE£183,000 · 2011£287,000
- 12 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE£193,000 · 2010£301,000
- 27 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE£200,000 · 2008£308,000
- 14 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE£208,000 · 2007£287,000
- 26 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE£210,000 · 2007£302,000
- 15 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE£64,750 · 1999£292,000
About this property
20 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE is a detached house on Maes Gerddi in Porthmadog, Gwynedd. Stede's estimated value for July 2026 is £316,000. Four in five similar homes sold within their likely range when tested; for this property that range is £226,000 to £382,000. It re-indexes the property's recorded sale prices to today using the UK House Price Index. The confidence score is 39 out of 100 (low): estimates like this one are typically within 15% of the eventual sale price.
It last sold in February 1999 for £70,000. The current estimate is 351% higher than that price. The current owner has held it for about 27 years.
The modelled value is up 5% over the past year and up 17% over the past five years.
Among 10 nearby properties Stede tracks in the LL49 area, estimated values run from £287,000 to £308,000. This detached house's £316,000 sits above that range.
Common questions
How much is 20 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE worth?
Stede estimates 20 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE is worth £316,000 as of July 2026, within a likely range of £226,000 to £382,000. The estimate is generated automatically from recorded sale prices and the UK House Price Index, and is not a formal valuation.
When did 20 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE last sell?
It last sold in February 1999 for £70,000.
What type of property is 20 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE?
It is recorded as a Detached house on Maes Gerddi in the LL49 postcode area.
How reliable is this estimate?
The confidence score is 39 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 56,151 real sales of similar homes.
2
Valuation methods used
1
Recorded sales on file
1999
Most recent recorded sale