Our Data Sources
137, Mallards Reach, Cardiff has a single entry in the Land Registry from October 2017 and a single entry in the EPC database dated October 2013.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 137, Mallards Reach, Cardiff would be worth £419,530, with a potential rental value of £1,700 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £371,584, with a rental value of £1,506 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
137, Mallards Reach, Cardiff occupies a 411 m2 plot as recorded by HM Land Registry.
Of the 49 other houses in this postcode, 48 have recorded plot sizes, and this one ranks as the 13th largest.
Energy Efficiency
137, Mallards Reach, Cardiff has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 01 Oct 2013.
The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
137, Mallards Reach, Cardiff last changed hands on 12th October 2017, selling for £290,000. 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 2.4% since October 2017.
- Sold Oct 2017£290,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 160 sales of comparable properties within 1.6 kilometres of 137, Mallards Reach, Cardiff since 2013.
Most recently, 53, Mallards Reach, Cardiff, CF3 2NN, a freehold house, sold at £387,500 on the 10th October 2025.
Read more about house prices in CF3.
- Sold Oct 2025£387,500 | 4 Bed House53, Mallards Reach, Cardiff, CF3 2NN53, Mallards Reach, Cardiff, CF3 2NN
- Sold May 2025£475,000 | 4 Bed House3, The Shires, Cardiff, CF3 2AW3, The Shires, Cardiff, CF3 2AW
- Sold Feb 2025£410,000 | 3 Bed House75, Mallards Reach, Cardiff, CF3 2NN75, Mallards Reach, Cardiff, CF3 2NN
- Sold Feb 2025£125,000 | 4 Bed House5, St. Mellons Road, Cardiff, CF3 2TX5, St. Mellons Road, Cardiff, CF3 2TX
- Sold Jan 2025£340,000 | 4 Bed House34, St. Mellons Road, Cardiff, CF3 2TX34, St. Mellons Road, Cardiff, CF3 2TX
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 £420,053, ranging from £359,989 to £545,377.
- 139 Mallards Reach
3 Bed House | 12 m | Est. Value: £374,894
- 135 Mallards Reach
4 Bed House | 13 m | Est. Value: £433,042
- 151 Mallards Reach
4 Bed House | 26 m | Est. Value: £434,181
- 143 Mallards Reach
4 Bed House | 34 m | Est. Value: £420,004
- 153 Mallards Reach
4 Bed House | 35 m | Est. Value: £441,068
Location Comparison
Our analysis of the public data ranks 137, Mallards Reach, Cardiff as the 93rd largest and the 60th most expensive of the 140 addresses on Mallards Reach, Marshfield, Cardiff, CF3.
Against the CF3 postcode district average, it is £142k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Pye Corner|5.8 km away
- Rogerstone|6.9 km away
- Llanishen|7.5 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












