5 Colchester Avenue, Penylan, Cardiff, CF23 9BN
About 5 Colchester Avenue
5 Colchester Avenue is a four-bedroom semi-detached house in Penylan, Cardiff, Cardiff (CF23 9BN). It has a recorded floor area of 151 m² (around 1625 sq ft), construction records dating it to 1900-1929 and council tax band G. Tenure is freehold. The latest certificate (October 2021) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in August 2011 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and hot-water efficiency went from Average to Good. The recommended improvements would push it to C (score 80). Records show the property has been extended at some point in its history.
At 151 m² it's 17% larger than the typical home in the postcode (129 m² median across 12 EPCs). Across 2012–2022, sale prices on this property compounded at 7.5% per year. On a £-per-square-foot basis, the last sale (£351/sq ft) was about 67.2% above the typical sold price in the postcode. Most recent transfer: February 2022 at £570,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms1
Outside
- GarageYes
Building
- TenureFreehold
- Previously extendedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Windows upgraded, improving insulation
Wall insulation improved
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 £1,085 · Includes VAT
Planning history
5 Colchester 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
5 Colchester Avenue has more than doubled in price since the earliest registered sale in 2012.
£598,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 10 years.
£570,000
Growth on file: 7.5% per year over 10 years.
Sales timeline
11 February 2022Most recent
£570,000
+40.7%over 3 years7 December 2018
£405,000
+45.7%over 6 years17 February 2012
£278,000
Median price across the last 5 sales in CF23 9BN: £390,000 (2025–2015).
Nearby sales in CF23 9BN
7 Colchester Avenue, Penylan, Cardiff, CF23 9BN
Sold Mar 2025
£615,00017 Colchester Avenue, Penylan, Cardiff, CF23 9BN
Sold Jun 2024
£378,00021 Colchester Avenue, Penylan, Cardiff, CF23 9BN
Sold Oct 2020
£430,00035 Colchester Avenue, Penylan, Cardiff, CF23 9BN
Sold May 2015
£376,00029 Colchester Avenue, Penylan, Cardiff, CF23 9BN
Sold Mar 2015
£390,000
Versus other Colchester Avenue homes
On epc rating, 5 Colchester Avenue stands well clear of the street.
Price per m²
£3,775
Street avg £2,701
Floor Area
151 m²
Street avg 146 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
5.0 t/year
Street avg 6.9 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.







