Our Data Sources
Islwyn, Dolwyddelan has 41 entries in the Land Registry , most recently in March 2024 and a single entry in the EPC database dated October 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If Islwyn, Dolwyddelan is in very good condition we estimate a sale value of £273,995 and a rental value of £1,181 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £242,681 and a rental value of £1,046 per month.
Plot Size
According to data from HM Land Registry, Islwyn, Dolwyddelan sits on a plot of 274 m2.
We have plot size data on 5 out of 7 other houses in the postcode and Islwyn, Dolwyddelan sits on the 4th largest plot.
Energy Efficiency
Islwyn, Dolwyddelan has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 06 Oct 2025.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Room heaters, anthracite.
Sold Prices
According to HM Land Registry, Islwyn, Dolwyddelan was last sold on 28th March 2024 for £276,250 and was recorded as a freehold house.
The property has had 4 sales since 1995.
Since March 2024, the market for similar properties has dropped by 19.9%.
- Sold Mar 2024£276,250
- Sold Jun 2010£185,000
- Sold Oct 2003£45,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 10 sales of properties similar to Islwyn, Dolwyddelan within a radius of 7.4 kilometres over the last 2 years.
The most recent example is Llugallt, Betws-Y-Coed, LL24 0PU, a freehold house which sold for £350,000 on the 29th October 2024.
Read more about house prices in LL25.
- Sold Oct 2024£350,000 | 4 Bed HouseLlugallt, Betws-Y-Coed, LL24 0PULlugallt, Betws-Y-Coed, LL24 0PU
- Sold Oct 2022£450,000 | 4 Bed HouseGwynfa, Betws-Y-Coed, LL24 0UBGwynfa, Betws-Y-Coed, LL24 0UB
- Sold Apr 2019£155,500 | 4 Bed HouseArvon House, Dolwyddelan, LL25 0NZArvon House, Dolwyddelan, LL25 0NZ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Bridge Street, Dolwyddelan, LL25 has a total of 7 addresses. According to our analysis of all the public data, Islwyn, Dolwyddelan is the 2nd largest and the 3rd most expensive property on the street.
When compared to the postcode district it is £35k more expensive than the average property in LL25.
More reading links
Schools Nearby
Public Transport Nearby
- Dolwyddelan|200 m away
- Pont-y-Pant|2.1 km away
- Roman Bridge|2.5 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
