Our Data Sources
37, Mardy Street, Cardiff has a single entry in the Land Registry from January 2025 and a single entry in the EPC database dated March 2024.
We combine this information with that 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 37, Mardy Street, Cardiff, we estimate a market value of £316,603 and a rental value of £2,022 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £280,419 and £1,791 per month respectively.
Plot Size
HM Land Registry records the plot of land for 37, Mardy Street, Cardiff as measuring 168 m2.
That makes it the 3rd largest plot in the postcode, where 37 of the 38 other houses have recorded plot data.
Energy Efficiency
37, Mardy Street, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Mar 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 37, Mardy Street, Cardiff completed on 14th January 2025 at £270,500 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 24.6% over the period since January 2025.
- Sold Jan 2025£270,500
Similar Properties Sold Nearby
Since 2018 98 properties similar to 37, Mardy Street, Cardiff have sold within a radius of 370 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.
- Sold Feb 2026£320,000 | 4 Bed House57, Mardy Street, Cardiff, CF11 6QW57, Mardy Street, Cardiff, CF11 6QW
- Sold Dec 2025£270,000 | 3 Bed House25, Ferndale Street, Cardiff, CF11 7AZ25, Ferndale Street, Cardiff, CF11 7AZ
- Sold Nov 2025£295,000 | 3 Bed House34, Mardy Street, Cardiff, CF11 6QU34, Mardy Street, Cardiff, CF11 6QU
- Sold Nov 2025£262,500 | 3 Bed House55, Dorset Street, Cardiff, CF11 6PT55, Dorset Street, Cardiff, CF11 6PT
- Sold May 2025£287,500 | 3 Bed House34, Hafod Street, Cardiff, CF11 6RB34, Hafod Street, Cardiff, CF11 6RB
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £307,435, ranging from £229,549 to £388,395.
- 39 Mardy Street
4 Bed House | 5 m | Est. Value: £314,835
- 41 Mardy Street
3 Bed House | 11 m | Est. Value: £300,132
- 33 Mardy Street
3 Bed House | 12 m | Est. Value: £295,911
- 31 Mardy Street
3 Bed House | 17 m | Est. Value: £287,281
- 45 Mardy Street
3 Bed House | 23 m | Est. Value: £301,526
Location Comparison
Of the 116 addresses on Mardy Street, Cardiff, CF11, 37, Mardy Street, Cardiff comes out as the 69th largest and the 37th most expensive in our analysis of the public data.
It is also £47k more expensive than the average property across the CF11 district.
More reading links
Schools Nearby
Public Transport Nearby
- Cardiff Central|600 m away
- Grangetown (Cardiff)|700 m away
- Ninian Park|1.1 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.





