3 Dorchester Avenue, Penylan, Cardiff, CF23 9BQ
About 3 Dorchester Avenue
3 Dorchester Avenue is a five-bedroom semi-detached house in Penylan, Cardiff, Cardiff (CF23 9BQ). It has a recorded floor area of 227 m² (around 2443 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (October 2021) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 79). Period features are noted in the property record. Records show the property has been extended at some point in its history.
At 227 m² it's 23.2% larger than the typical home in the postcode (184 m² median across 4 EPCs). Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. Last sale on file: £840,000 in June 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms5
- Bathrooms3
Outside
- Private gardenRear
- GarageYes
Building
- Period featuresYes
- Previously extendedYes
Energy performance
3 Dorchester Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £1,360 · Includes VAT
Planning history
3 Dorchester Avenue has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£879,000
Modelled from EPC, postcode comparables.
£840,000
Recorded with HM Land Registry.
Sales timeline
30 June 2022Most recent
£840,000
Median price across the last 4 sales in CF23 9BQ: £487,500 (2024–2001).
Versus other Dorchester Avenue homes
On epc rating, 3 Dorchester Avenue stands well clear of the street.
Price per m²
£3,700
Street avg £3,233
Floor Area
227 m²
Street avg 181 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
7.3 t/year
Street avg 9.8 t/year
Similar properties nearby
1 Earl S Court Road, Penylan
CF23 9DD
1 Hugon Close
CF23 9BY
1 Firstbrook Close
CF23 9ER
1 Kingwood Close, Penylan
CF23 9HE
1 Bryn Y Nant, Llanedeyrn
CF23 9NZ
1 Clos Gwrgi, Penylan
CF23 9FQ
1 Barons Court Road, Penylan
CF23 9DF
1 Colchester Avenue, Penylan
CF23 9BN
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Colchester Avenue Top — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







