Our Data Sources
Bryn Derwen, Marianglas has a single entry in the Land Registry from September 2014 and a single entry in the EPC database dated January 2026.
We combine this information with that 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 Bryn Derwen, Marianglas would be worth £624,167, with a potential rental value of £1,493 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £552,834, with a rental value of £1,322 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
Bryn Derwen, Marianglas occupies a 2,984 m2 plot as recorded by HM Land Registry.
All 8 other houses in this postcode have recorded plot sizes, and this one ranks as the 2nd largest.
Energy Efficiency
Bryn Derwen, Marianglas has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 17 Jan 2026.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Air source heat pump, radiators, electric.
Sold Prices
Bryn Derwen, Marianglas last changed hands on 19th September 2014, selling for £405,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has dropped by 8.1% since September 2014.
- Sold Sep 2014£405,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 16 sales of comparable properties within 2.3 kilometres of Bryn Derwen, Marianglas across the last 2 years.
Most recently, Fair Acre, Amlwch Road, Tyn-Y-Gongl, LL74 8RU, a freehold house, sold at £480,000 on the 12th August 2021.
Read more about house prices in LL73.
- Sold Aug 2021£480,000 | 4 Bed HouseFair Acre, Amlwch Road, Tyn-Y-Gongl, LL74 8RUFair Acre, Amlwch Road, Tyn-Y-Gongl, LL74 8RU
- Sold Apr 2018£250,000 | 4 Bed HousePant Yr Afallen, Marianglas, LL73 8PWPant Yr Afallen, Marianglas, LL73 8PW
- Sold Jun 2010£350,000 | 4 Bed HouseBryn Glas, Marianglas, LL73 8PWBryn Glas, Marianglas, LL73 8PW
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks Bryn Derwen, Marianglas as the 19th largest and the 12th most expensive of the 138 addresses on Traeth Bychan, Marianglas, LL73.
Against the LL73 postcode district average, it is £339k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Llanfairpwll|12.5 km away
- Bangor (Gwynedd)|14.1 km away
- Bodorgan|18.2 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
