Our Data Sources
1A, William Street, Cardiff has no recent1 records in the Land Registry and a single entry in the EPC database dated November 2020.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 1A, William Street, Cardiff is in very good condition we estimate a sale value of £167,178 and a rental value of £1,096 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £148,072 and a rental value of £971 per month.
Energy Efficiency
1A, William Street, Cardiff has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 13 Nov 2020.
The property is not connected to mains gas and has fully double glazed windows. It is heated using electric storage heaters.
Sold Prices
According to HM Land Registry, 1A, William Street, Cardiff was last sold on 18th May 2001 for £55,000 and was recorded as a leasehold flat.
The property has had 2 sales since 1995.
- Sold May 2001£55,000
- Sold Nov 1998£36,500
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 8 sales of properties similar to 1A, William Street, Cardiff within a radius of 450 metres since 2009.
The most recent example is 7 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY, a leasehold flat which sold for £175,000 on the 11th March 2026.
Read more about house prices in CF11.
- Sold Mar 2026£175,000 | 1 Bed Flat7 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY7 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY
- Sold Aug 2024£145,000 | 1 Bed Flat39, Greenfield Avenue, Cardiff, CF11 9PT39, Greenfield Avenue, Cardiff, CF11 9PT
- Sold Sep 2022£165,000 | 1 Bed FlatFlat 3, 148, Cathedral Road, Cardiff, CF11 9JBFlat 3, 148, Cathedral Road, Cardiff, CF11 9JB
- Sold Jun 2022£127,500 | 1 Bed Flat38, Greenfield Avenue, Cardiff, CF11 9PT38, Greenfield Avenue, Cardiff, CF11 9PT
- Sold Aug 2019£183,000 | 1 Bed Flat5 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY5 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 £341,087, ranging from £192,369 to £477,519.
- 1B William Street
2 Bed Flat | 0 m | Est. Value: £192,369
- 2 Pontcanna Place
4 Bed House | 12 m | Est. Value: £477,519
- 3 Pontcanna Place
3 Bed House | 17 m | Est. Value: £380,963
- 4 Pontcanna Place
3 Bed House | 17 m | Est. Value: £341,485
- 5 Pontcanna Place
3 Bed House | 19 m | Est. Value: £341,485
Location Comparison
William Street, Cardiff, CF11 has a total of 8 addresses. According to our analysis of all the public data, 1A, William Street, Cardiff is the 8th largest and the 8th most expensive property on the street.
When compared to the postcode district it is £95k less expensive than the average property in CF11.
More reading links
Schools Nearby
Public Transport Nearby
- Ninian Park|1.4 km away
- Cathays|1.6 km away
- Waun-Gron Park|1.9 km away
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












