Our Data Sources
18, Dorchester Avenue, Cardiff has 21 entries in the Land Registry , most recently in February 2025 and a single entry in the EPC database dated October 2024.
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
In very good condition, we estimate 18, Dorchester Avenue, Cardiff would be worth £505,659, with a potential rental value of £1,793 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £447,869, with a rental value of £1,588 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, Dorchester Avenue, Cardiff occupies a 194 m2 plot as recorded by HM Land Registry.
Of the 15 other houses in this postcode, 14 have recorded plot sizes, and this one ranks as the 14th largest.
Energy Efficiency
18, Dorchester Avenue, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 28 Oct 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
18, Dorchester Avenue, Cardiff last changed hands on 21st February 2025, selling for £450,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has dropped by 1.9% since February 2025.
- Sold Feb 2025£450,000
- Sold Dec 1998£112,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 129 sales of comparable properties within 510 metres of 18, Dorchester Avenue, Cardiff across the last 2 years.
Most recently, 43, Dorchester Avenue, Cardiff, CF23 9BS, a freehold house, sold at £505,000 on the 15th August 2025.
Read more about house prices in CF23.
- Sold Aug 2025£505,000 | 4 Bed House43, Dorchester Avenue, Cardiff, CF23 9BS43, Dorchester Avenue, Cardiff, CF23 9BS
- Sold Feb 2024£440,000 | 3 Bed House11, Hampton Court Road, Cardiff, CF23 9DH11, Hampton Court Road, Cardiff, CF23 9DH
- Sold Aug 2021£462,500 | 4 Bed House49, Earl's Court Road, Cardiff, CF23 9DE49, Earl's Court Road, Cardiff, CF23 9DE
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 18, Dorchester Avenue, Cardiff as the 46th largest and the 34th most expensive of the 51 addresses on Dorchester Avenue, Penylan, Cardiff, CF23.
Against the CF23 postcode district average, it is £119k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Cathays|2.1 km away
- Cardiff Queen Street|2.4 km away
- Heath Low Level|2.4 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
