17a, Llanedeyrn Road, Penylan, Cardiff, CF23 9DT
About 17a
17a is a four-bedroom detached house in Penylan, Cardiff, Cardiff (CF23 9DT). It has a recorded floor area of 173 m² (around 1862 sq ft), construction records dating it to 1900-1929 and council tax band H. The latest certificate (May 2013) shows a D (score 56), a step below the typical UK home. When first surveyed in May 2013 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, hot-water efficiency went from Very Poor to Good and lighting went from Very Poor to Average. The recommended improvements would push it to C (score 74). The latest certificate is from May 2013, so improvements made since then won't be reflected.
Today's modelled estimate of £713,000 sits 50.1% above the 2015 sale of £475,000. Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). Last sold in March 2015, so it's been off the market for around 11 years.
What this property has
Inside
- Bedrooms4
Energy performance
17a's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 25 May 2023
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Wall insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,220 · Includes VAT
Planning history
17a 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
17a valuation sits well clear of the typical sold price in this postcode.
£713,000
Modelled from EPC, postcode comparables.
£475,000
Recorded with HM Land Registry.
Sales timeline
27 March 2015Most recent
£475,000
Median price across the last 5 sales in CF23 9DT: £390,000 (2020–2014).
Nearby sales in CF23 9DT
3 Llanedeyrn Road, Penylan, Cardiff, CF23 9DT
Sold Jul 2020
£217,26915 Llanedeyrn Road, Penylan, Cardiff, CF23 9DT
Sold Dec 2019
£600,0001 Llanedeyrn Road, Penylan, Cardiff, CF23 9DT
Sold Oct 2019
£657,77719 Llanedeyrn Road, Penylan, Cardiff, CF23 9DT
Sold Nov 2017
£385,000Studio Flat, 17 Llanedeyrn Road, Penylan, Cardiff, CF23 9DT
Sold Jun 2014
£390,000
Versus other Llanedeyrn Road homes
On years held, 17a stands well clear of the street.
Price per m²
£2,746
Street avg £2,276
Floor Area
173 m²
Street avg 187 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
7.5 t/year
Street avg 8.0 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
Penylan Terrace — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







