100, Mardy Street
100, Mardy Street
Description & Estimates







100, Mardy Street, Cardiff is described in the public record as a period house with 1,367 ft2 of internal area, sitting on a 139 m2 plot.
Locally, houses of this size normally have 4 bedrooms with a garden.
Our estimate of the sale value of 100, Mardy Street, Cardiff is £293,656 and its rental estimate is £1,972 per month, given the available information and assuming reasonable condition.
Mardy Street, Cardiff, CF11 falls within the CF11 postal district.
Our Data Sources
100, Mardy Street, Cardiff has no records in the the Land Registry and a single entry in the EPC database dated September 2018.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 100, Mardy Street, Cardiff, we estimate a market value of £308,339 and a rental value of £2,071 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £273,100 and £1,834 per month respectively.
Recent Market Change
Over the last year, 100, Mardy Street, Cardiff has seen its estimated sale value fall by £1,695 (0.6%) and its estimated rental value move up by £64 per month (3.2%). This results in an estimated gross rental yield of 8.1%.
Plot Size
HM Land Registry records the plot of land for 100, Mardy Street, Cardiff as measuring 139 m2.
That makes it the 16th largest plot in the postcode, where 40 of the 42 other houses have recorded plot data.
Energy Efficiency
100, Mardy Street, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 17 Sep 2018.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 100, Mardy Street, Cardiff have sold within a radius of 360 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 9th February 2026, was 57, Mardy Street, Cardiff, CF11 6QW, a freehold house which sold for £320,000.
Read more about house prices in CF11.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 116 addresses on Mardy Street, Cardiff, CF11, 100, Mardy Street, Cardiff comes out as the 33rd largest and the 44th most expensive in our analysis of the public data.
It is also £44k more expensive than the average property across the CF11 district.
More reading links
Schools Nearby
Public Transport Nearby
From 100, Mardy Street, Cardiff, the nearest station is Grangetown (Cardiff), 600 metres away.
- 600mGrangetown (Cardiff)
- 600mCardiff Central
- 1.2kmNinian Park
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.

