Our Data Sources
11 Gwern Hafren, Severn Grove, Cardiff has 2 entries in the Land Registry, most recently in January 2026 and a single entry in the EPC database dated April 2025.
We combine this information with that 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
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 11 Gwern Hafren, Severn Grove, Cardiff, we estimate a market value of £196,384 and a rental value of £1,122 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £173,940 and £994 per month respectively.
Energy Efficiency
11 Gwern Hafren, Severn Grove, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 16 Apr 2025.
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 11 Gwern Hafren, Severn Grove, Cardiff completed on 29th January 2026 at £162,000 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 the property has sold twice.
Values of comparable properties have dropped by 25.4% over the period since January 2026.
- Sold Jan 2026£162,000
- Sold Mar 2009£100,000
Similar Properties Sold Nearby
Since 2011 31 properties similar to 11 Gwern Hafren, Severn Grove, Cardiff have sold within a radius of 350 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 15th May 2026, was Flat 16, Stoneleigh Court, Severn Grove, Cardiff, CF11 9ES, a leasehold flat which sold for £216,000.
Read more about house prices in CF11.
- Sold May 2026£216,000 | 2 Bed FlatFlat 16, Stoneleigh Court, Severn Grove, Cardiff, CF11 9ESFlat 16, Stoneleigh Court, Severn Grove, Cardiff, CF11 9ES
- Sold Feb 2026£200,000 | 1 Bed FlatFlat 4, St. Catherines Mews, Severn Grove, Cardiff, CF11 9ERFlat 4, St. Catherines Mews, Severn Grove, Cardiff, CF11 9ER
- Sold Aug 2025£172,000 | 2 Bed Flat1D, Cae Syr Dafydd, Cardiff, CF11 9QG1D, Cae Syr Dafydd, Cardiff, CF11 9QG
- Sold Jun 2025£178,000 | 2 Bed Flat87A , Romilly Crescent, Cardiff, CF11 9NQ87A , Romilly Crescent, Cardiff, CF11 9NQ
- Sold Apr 2024£195,100 | 1 Bed Flat2 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY2 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY
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 £347,086, ranging from £201,872 to £573,193.
- 13 Gwern Hafren Severn Grove
3 Bed Flat | 0 m | Est. Value: £266,497
- 13 Severn Grove
3 Bed House | 0 m | Est. Value: £440,951
- 11 Severn Grove
3 Bed House | 0 m | Est. Value: £398,506
- 15 Severn Grove
3 Bed House | 0 m | Est. Value: £396,931
- 15 Gwern Hafren Severn Grove
3 Bed House | 0 m | Est. Value: £426,918
Location Comparison
Of the 231 addresses on Severn Grove, Cardiff, CF11, 11 Gwern Hafren, Severn Grove, Cardiff comes out as the 211th largest and the 182nd most expensive in our analysis of the public data.
It is also £68k less expensive than the average property across the CF11 district.
More reading links
Schools Nearby
Public Transport Nearby
- Ninian Park|1.3 km away
- Cathays|1.6 km away
- Waun-Gron Park|1.9 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.












