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15 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE

How much is 15 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE worth?

Estimated value — November 2026

£275,000

Likely range £193,000 – £392,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale February 1999

35%

confidence

Low

Typically within 16% of the sale price

Property details

Detached house

Maes Gerddi · Porthmadog · LL49 9LE

Address

District
Gwynedd
County
Gwynedd
See house prices in LL49 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£100k£200k£300k£400k20002002200420062008201020122014201620182020202220242026£275,000

Drawn through each of this property's recorded sales and ending at today's estimate, with the UK House Price Index for its area and property type filling in the months between. 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 a recorded sale, and today it matches the likely range above.

View as a table
Modelled value at the end of each year, with any recorded sales
YearModelled valueLikely range
2000£76,915£66,261 – £90,875
2001£79,552£67,633 – £93,911
2002£102,618£86,010 – £122,037
2003£130,029£107,498 – £156,648
2004£171,688£140,045 – £209,277
2005£179,020£144,424 – £219,672
2006£189,826£151,618 – £234,567
2007£198,409£156,667 – £247,242
2008£182,189£141,974 – £229,537
2009£180,037£138,679 – £228,861
2010£180,579£137,559 – £232,200
2011£185,339£140,535 – £240,554
2012£179,020£134,908 – £234,883
2013£173,009£129,718 – £229,646
2014£183,894£137,189 – £245,727
2015£184,973£151,211 – £233,145
2016£197,336£159,178 – £251,781
2017£203,312£161,794 – £262,551
2018£206,752£162,289 – £270,192
2019£218,906£169,456 – £289,462
2020£235,108£179,449 – £314,524
2021£252,419£189,925 – £341,588
2022£278,341£206,411 – £380,973
2023£278,666£203,630 – £385,729
2024£265,594£191,198 – £371,744
2025£267,865£189,929 – £379,067
2026£275,000£193,000 – £392,000

Sale history

1999Sold
£64,750
2026Today — estimated
+325%£275,000

Mortgage calculator

£1,476

Estimated monthly repayment

£247,500

Loan amount

£283,839

Total interest

£531,339

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

About this property

15 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE is a detached house on Maes Gerddi in Porthmadog, Gwynedd. Stede's estimated value for November 2026 is £275,000. Four in five similar homes sold within their likely range when tested; for this property that range is £193,000 to £392,000. It combines its own last sale brought up to date with the House Price Index (75%) and recent sales of 30 similar homes in the same postcode sector (25%). The confidence score is 35 out of 100 (low): estimates like this one are typically within 16% of the eventual sale price.

It last sold in February 1999 for £64,750. The current estimate is 325% higher than that price. The current owner has held it for about 27 years.

The modelled value is up 2% over the past year and up 10% over the past five years.

Among 10 nearby properties Stede tracks in the LL49 area, estimated values run from £249,000 to £302,000. This detached house's £275,000 sits around the middle of that range.

Common questions

How much is 15 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE worth?

Stede estimates 15 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE is worth £275,000 as of November 2026, within a likely range of £193,000 to £392,000. The estimate is generated automatically from recorded sale prices of this and similar nearby homes and the UK House Price Index, and is not a formal valuation.

When did 15 Maes Gerddi, Porthmadog, Gwynedd, LL49 9LE last sell?

It last sold in February 1999 for £64,750.

What type of property is 15 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 35 out of 100 (low). Tested against real sales of similar homes, estimates like this one are typically within 16% 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?

It combines its own last sale brought up to date with the House Price Index (75%) and recent sales of 30 similar homes in the same postcode sector (25%). Each piece of evidence gets the share that proved most accurate when tested against real sales of similar homes, and the same testing sets the likely range and confidence. Full detail is on the methodology page.

How we got this figure

We weighed the evidence below, giving each piece the share that proved most accurate when we tested it against real sales of similar homes. The likely range and confidence come from testing the same method against 5,203 real sales of similar homes.

  • Its sale in February 1999, brought up to today with the House Price Index£271,18375%
  • 30 similar homes sold recently in the same postcode sector£286,58825%

Estimate £275,000, likely £193,000 – £392,000

Read the full methodology and data sources →