Our Data Sources
Castell Y Delyn, Tywyn has no records in the the Land Registry and a single entry in the EPC database dated February 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate Castell Y Delyn, Tywyn would be worth £529,241, with a potential rental value of £1,343 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £468,757, with a rental value of £1,190 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
Castell Y Delyn, Tywyn occupies a 689 m2 plot as recorded by HM Land Registry.
Of the 15 other houses in this postcode, 11 have recorded plot sizes, and this one ranks as the 9th largest.
Energy Efficiency
Castell Y Delyn, Tywyn has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 20 Feb 2026.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, oil.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 5 sales of comparable properties within 4.7 kilometres of Castell Y Delyn, Tywyn across the last 2 years.
Most recently, Tyddyn Ithel, Llwyngwril, LL37 2QF, a freehold house, sold at £377,000 on the 18th September 2020.
Read more about house prices in LL36.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks Castell Y Delyn, Tywyn as the 31st largest and the 10th most expensive of the 55 addresses on Rhoslefain, Tywyn, LL36.
Against the LL36 postcode district average, it is £253k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Tonfanau|2.1 km away
- Tywyn|4.5 km away
- Llwyngwril|4.6 km away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
