How much is Plas Isa, Penmorfa, Porthmadog, Gwynedd, LL49 9RS worth?
Estimated value — October 2026
£235,000
Likely range £235,000 – £235,000
Latest recorded sale October 2019
73%
confidence
Medium
Property details
Semi-detached house
Porthmadog · LL49 9RS
Energy performance
Bottled Lpg · EPC 9358-3028-7214-6890-9224 · inspected April 2020
Address
- District
- Gwynedd
- County
- Gwynedd
Value over time
- Modelled value
- Recorded sale
- 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 | Recorded sale |
|---|---|---|
| 2019 | £180,826 | £180,000 |
| 2020 | £192,857 | — |
| 2021 | £206,871 | — |
| 2022 | £230,492 | — |
| 2023 | £232,070 | — |
| 2024 | £222,185 | — |
| 2025 | £226,076 | — |
| 2026 | £235,227 | — |
Sale history
Mortgage calculator
£1,261
Estimated monthly repayment
£211,500
Loan amount
£242,553
Total interest
£454,053
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
Plas Isa, Penmorfa, Porthmadog, Gwynedd, LL49 9RS is a semi-detached house in Porthmadog, Gwynedd (LL49). Stede's estimated value for October 2026 is £235,000. It is the average of 2 independent methods that re-index recorded sale prices to today. The confidence score is 73 out of 100 (medium), based on how recent the most recent recorded sale is.
It last sold in October 2019 for £180,000. The current estimate is 31% higher than that price. The current owner has held it for about 7 years.
Its EPC energy-efficiency rating is band F (34 out of 100), with a potential of band D (55) after the recommended improvements. The certificate records a total floor area of 80 m² (861 sq ft). It was lodged in April 2020.
The modelled value is up 6% over the past year and up 17% over the past five years.
Common questions
How much is Plas Isa, Penmorfa, Porthmadog, Gwynedd, LL49 9RS worth?
Stede estimates Plas Isa, Penmorfa, Porthmadog, Gwynedd, LL49 9RS is worth £235,000 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 Plas Isa, Penmorfa, Porthmadog, Gwynedd, LL49 9RS last sell?
It last sold in October 2019 for £180,000.
What type of property is Plas Isa, Penmorfa, Porthmadog, Gwynedd, LL49 9RS?
It is recorded as a Semi-detached house in the LL49 postcode area.
What is the EPC rating of Plas Isa, Penmorfa, Porthmadog, Gwynedd, LL49 9RS?
Plas Isa, Penmorfa, Porthmadog, Gwynedd, LL49 9RS has an EPC energy-efficiency rating of band F (34 out of 100). Its potential rating after the recommended improvements is band D (55). The certificate records a floor area of 80 m² (861 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 73 out of 100 (medium), 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
2019
Most recent recorded sale