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Bricks&Logic is a trading name of Urban Markets Ltd
Company No. 11113204
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VAT No. GB 287 0845 68
Registered Address: 2 Leman St, London E1 8FA
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According to the public record, Cefn Du Mawr is a period house with 1,130 ft2 of internal area and sits on a 85,111 m2 plot.
Houses of this size in this area normally have 3 bedrooms with a garden.
Based on available information, and assuming reasonable condition, the estimated sale value for Cefn Du Mawr is £473,871 and the estimated rental value is £720 per month.
Brynteg, LL78 is located within the LL78 postal district.
Cefn Du Mawr has no records in the the Land Registry and a single entry in the EPC database dated September 2022.
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.
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 Cefn Du Mawr is in very good condition we estimate a sale value of £497,565 and a rental value of £756 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £440,700 and a rental value of £669 per month.
Over the last 12 months the sale value of Cefn Du Mawr has decreased by an estimated £6,428 (1.4%) and its rental value has increased by an estimated £20 per month (2.8%), giving an expected gross yield of 1.8%.
According to data from HM Land Registry, Cefn Du Mawr sits on a plot of 85111m2.
We have plot size data on 15 out of 19 other houses in the postcode and Cefn Du Mawr sits on the 5th largest plot.
Cefn Du Mawr has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 27 Sep 2022.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Air source heat pump, radiators, electric.
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to Cefn Du Mawr within a radius of 4.9 kilometres over the last 2 years.
The most recent example is Bryn Marian, Marianglas, LL73 8PG, a freehold house which sold for £429,000 on the 24th November 2025.
Read more about house prices in LL78.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Brynteg, LL78 has a total of 206 addresses. According to our analysis of all the public data, Cefn Du Mawr is the 132nd largest and the 61st most expensive property on the street.
When compared to the postcode district it is £148k more expensive than the average property in LL78.
The closest station to Cefn Du Mawr is Llanfairpwll station which is 12.9 kilometres away.
According to recent data from Ofcom, there is poor internet coverage in this area which may result in poor or no internet connectivity.
According to recent data from Ofcom, Slow/none broadband is available in the area.
According to data from the Environment Agency, the flood risk in this area is considered to be very low.
The recent census recorded whether a resident owned or rented their home.
In the area around Cefn Du Mawr, 66.4% of property is privately owned outright and 18.4% is privately rented.
The graph below shows how this compares to Wales and the rest of England & Wales.
The recent census recorded the highest level of education achieved by residents in the local area.
In the area around Cefn Du Mawr, 9.6% of residents are recorded as possessing school level qualifications and 35.7% as possessing degree level qualifications.
The graph below shows how this compares to Wales and the rest of England & Wales.
The most recent census in 2021 recorded the age of all UK residents.
In the area around Cefn Du Mawr, the average age was 49.7 and the most common age was 72.
The graph below shows how this compares to Wales and the rest of England & Wales
The recent census recorded whether a property was a primary or secondary home for the resident.
In the area around Cefn Du Mawr, 1.9% of property was a second home.
Comparison figures for Wales and the rest of England & Wales are listed below.
The recent census recorded the number of cars registered in each household.
In the area around Cefn Du Mawr, there are an average of 1.6 cars per household.
See below for how this compares to Wales and the rest of England & Wales.
