Our Data Sources
11, Grasmere Avenue, Cardiff has no records in the Land Registry and a single entry in the EPC database dated May 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
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 11, Grasmere Avenue, Cardiff is in very good condition we estimate a sale value of £547,512 and a rental value of £1,721 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £484,940 and a rental value of £1,524 per month.
Plot Size
According to data from HM Land Registry, 11, Grasmere Avenue, Cardiff sits on a plot of 332 m2.
We have plot size data on 12 out of 12 other houses in the postcode and 11, Grasmere Avenue, Cardiff sits on the 2nd largest plot.
Energy Efficiency
11, Grasmere Avenue, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 May 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 81 sales of properties similar to 11, Grasmere Avenue, Cardiff within a radius of 620 metres since 2007.
The most recent example is 26, Heathwood Grove, Cardiff, CF14 3RD, a freehold house which sold for £538,000 on the 30th January 2026.
Read more about house prices in CF23.
- Sold Jan 2026£538,000 | 4 Bed House26, Heathwood Grove, Cardiff, CF14 3RD26, Heathwood Grove, Cardiff, CF14 3RD
- Sold Dec 2025£525,000 | 4 Bed House25, Windermere Avenue, Cardiff, CF23 5PQ25, Windermere Avenue, Cardiff, CF23 5PQ
- Sold Nov 2025£525,000 | 4 Bed House2, Windermere Avenue, Cardiff, CF23 5PQ2, Windermere Avenue, Cardiff, CF23 5PQ
- Sold Mar 2025£580,000 | 4 Bed House36, Birchwood Road, Cardiff, CF23 5LJ36, Birchwood Road, Cardiff, CF23 5LJ
- Sold Feb 2025£481,000 | 4 Bed House33, Windermere Avenue, Cardiff, CF23 5PQ33, Windermere Avenue, Cardiff, CF23 5PQ
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £563,590, ranging from £488,469 to £685,436.
- 7 Grasmere Avenue
4 Bed House | 13 m | Est. Value: £492,440
- 5 Grasmere Avenue
4 Bed House | 19 m | Est. Value: £520,200
- 12 Grasmere Avenue
4 Bed House | 29 m | Est. Value: £519,584
- 1 Grasmere Avenue
4 Bed House | 33 m | Est. Value: £514,508
- 8 Grasmere Avenue
4 Bed House | 33 m | Est. Value: £502,799
Location Comparison
Grasmere Avenue, Cardiff, CF23 has a total of 12 addresses. According to our analysis of all the public data, 11, Grasmere Avenue, Cardiff is the 3rd largest and the 3rd most expensive property on the street.
When compared to the postcode district it is £158k more expensive than the average property in CF23.
More reading links
Schools Nearby
Public Transport Nearby
- Heath Low Level|1.3 km away
- Heath High Level|1.4 km away
- Cathays|1.7 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












