37 Colchester Avenue, Penylan, Cardiff, CF23 9BN
About 37 Colchester Avenue
37 Colchester Avenue is an end-of-terrace 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. The latest certificate (February 2026) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 77). This certificate was lodged in the last six months, so the rating reflects current condition.
At 151 m² it's 16.2% larger than the typical home in the postcode (130 m² median across 13 EPCs).
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 23 February 2036
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
37 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
37 Colchester Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£498,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in CF23 9BN: £430,000 (2025–2018).
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
£378,0005 Colchester Avenue, Penylan, Cardiff, CF23 9BN
Sold Feb 2022
£570,00021 Colchester Avenue, Penylan, Cardiff, CF23 9BN
Sold Oct 2020
£430,00035 Colchester Avenue, Penylan, Cardiff, CF23 9BN
Sold May 2015
£376,000
Versus other Colchester Avenue homes
37 Colchester Avenue outperforms the street on co₂ emissions by a wide margin.
EPC Rating
63 (D)
Street avg 58 (D)
Floor Area
151 m²
Street avg 147 m²
CO₂ Emissions
5.7 t/year
Street avg 6.7 t/year
Habitable Rooms
6 rooms
Street avg 6 rooms
Similar properties nearby
1 Barons Court Road, Penylan
CF23 9DF
1 Colchester Avenue, Penylan
CF23 9BN
1 Earl S Court Road, Penylan
CF23 9DD
1 Clos Gwrgi, Penylan
CF23 9FQ
1 Hugon Close
CF23 9BY
1 Baber Close
CF23 9BX
1 Firstbrook Close
CF23 9ER
1 Doe Close, Penylan
CF23 9HJ
The neighbourhood at a glance
Crime
169/mo
Falling 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.







