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8 Tan Yr Allt, Rhostryfan, Caernarfon, Gwynedd, LL54 7PP

How much is 8 Tan Yr Allt, Rhostryfan, Caernarfon, Gwynedd, LL54 7PP worth?

Estimated value — November 2026

£225,000

Likely range £182,000 – £257,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale November 1998

67%

confidence

High

Typically within 8% of the sale price

Property details

Semi-detached house

Tan Yr Allt · Caernarfon · LL54 7PP

104 m²1,119 sq ftFloor area
1967-1975Built
Oil boilerHeating

Energy performance

Current ratingD58
PotentialC73

Oil (Not Community) · EPC 0237-3053-8208-2065-4204 · inspected August 2025

Address

District
Gwynedd
County
Gwynedd
See house prices in LL54 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£100k£200k£300k20002002200420062008201020122014201620182020202220242026£225,000

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£48,119£41,733 – £55,595
2001£50,263£43,189 – £57,822
2002£65,830£56,034 – £75,716
2003£86,439£72,938 – £99,948
2004£119,026£99,618 – £137,972
2005£126,330£105,148 – £146,050
2006£135,624£112,319 – £156,629
2007£141,855£116,693 – £163,930
2008£132,075£107,789 – £153,125
2009£131,033£106,308 – £152,029
2010£131,341£106,022 – £153,020
2011£134,985£109,112 – £157,459
2012£131,496£106,155 – £153,979
2013£128,579£103,837 – £151,147
2014£136,888£121,726 – £148,172
2015£137,388£121,224 – £149,417
2016£146,959£128,657 – £160,579
2017£152,569£132,518 – £167,491
2018£156,688£135,016 – £172,816
2019£167,925£143,543 – £186,070
2020£180,106£152,715 – £200,490
2021£194,270£163,386 – £217,253
2022£217,653£181,553 – £244,518
2023£220,352£182,287 – £248,679
2024£212,127£174,022 – £240,484
2025£217,160£176,655 – £247,303
2026£225,000£182,000 – £257,000

Sale history

1998Sold
£38,500
2026Today — estimated
+484%£225,000

Mortgage calculator

£1,208

Estimated monthly repayment

£202,500

Loan amount

£232,232

Total interest

£434,732

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

8 Tan Yr Allt, Rhostryfan, Caernarfon, Gwynedd, LL54 7PP is a semi-detached house on Tan Yr Allt in Caernarfon, Gwynedd. Stede's estimated value for November 2026 is £225,000. Four in five similar homes sold within their likely range when tested; for this property that range is £182,000 to £257,000. It combines their price per m² applied to its floor area (50%), its own last sale brought up to date with the House Price Index (25%) and recent sales of 21 similar homes in the same postcode sector (25%). The confidence score is 67 out of 100 (high): estimates like this one are typically within 8% of the eventual sale price.

It last sold in November 1998 for £38,500. The current estimate is 484% higher than that price. The current owner has held it for about 28 years.

Its EPC energy-efficiency rating is band D (58 out of 100), with a potential of band C (73) after the recommended improvements. The certificate records a total floor area of 104 m² (1,119 sq ft). It was lodged in August 2025.

The modelled value is up 3% over the past year and up 16% over the past five years.

Among 10 nearby properties Stede tracks in the LL54 area, estimated values run from £186,000 to £308,000. This semi-detached house's £225,000 sits toward the lower end of that range.

Common questions

How much is 8 Tan Yr Allt, Rhostryfan, Caernarfon, Gwynedd, LL54 7PP worth?

Stede estimates 8 Tan Yr Allt, Rhostryfan, Caernarfon, Gwynedd, LL54 7PP is worth £225,000 as of November 2026, within a likely range of £182,000 to £257,000. 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 8 Tan Yr Allt, Rhostryfan, Caernarfon, Gwynedd, LL54 7PP last sell?

It last sold in November 1998 for £38,500.

What type of property is 8 Tan Yr Allt, Rhostryfan, Caernarfon, Gwynedd, LL54 7PP?

It is recorded as a Semi-detached house on Tan Yr Allt in the LL54 postcode area.

What is the EPC rating of 8 Tan Yr Allt, Rhostryfan, Caernarfon, Gwynedd, LL54 7PP?

8 Tan Yr Allt, Rhostryfan, Caernarfon, Gwynedd, LL54 7PP has an EPC energy-efficiency rating of band D (58 out of 100). Its potential rating after the recommended improvements is band C (73). The certificate records a floor area of 104 m² (1,119 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 67 out of 100 (high). Tested against real sales of similar homes, estimates like this one are typically within 8% 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 their price per m² applied to its floor area (50%), its own last sale brought up to date with the House Price Index (25%) and recent sales of 21 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 18,066 real sales of similar homes.

  • Recent price per m² in the same postcode sector, for its 104 m²£254,34750%
  • Its sale in November 1998, brought up to today with the House Price Index£181,76625%
  • 21 similar homes sold recently in the same postcode sector£207,66525%

Estimate £225,000, likely £182,000 – £257,000

Read the full methodology and data sources →