41 Colchester Avenue, Penylan, Cardiff, CF23 9BN
About 41 Colchester Avenue
41 Colchester Avenue is an end-of-terrace house in Penylan, Cardiff, Cardiff (CF23 9BN). It has a recorded floor area of 147 m² (around 1584 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (October 2011) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 70), a 2-band jump. The latest certificate is from October 2011, so improvements made since then won't be reflected.
One planning record on file: an extension approved in 2017. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs).
Energy performance
41 Colchester Avenue'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This certificate is over 10 years old and is no longer valid.Expired 17 Oct 2021
EPC Rating
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Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
1 application on record at 41 Colchester Avenue, Penylan, Cardiff, CF23 9BN
- Oct 2017ExtensionFullOutcome in report
Extension: Rear of property
CHANGE OF USE FROM 8 ROOM HMO TO 4 APARTMENTS ( C3 ) AND GROUND FLOOR REAR EXTENSION
- Documents
- 5 docs on file
- Reference
- 17/01902/MNR
Unlock 41 Colchester Avenue, Penylan, Cardiff, CF23 9BN's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 2 notable nearby
- The 5 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
41 Colchester Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£342,000
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
41 Colchester Avenue is notably below the street on co₂ emissions.
EPC Rating
50 (E)
Street avg 58 (D)
Floor Area
147 m²
Street avg 147 m²
CO₂ Emissions
9.2 t/year
Street avg 6.4 t/year
Habitable Rooms
8 rooms
Street avg 6 rooms
Similar properties nearby
1 Doe Close, Penylan
CF23 9HJ
1 Firstbrook Close
CF23 9ER
1 Kingwood Close, Penylan
CF23 9HE
1 Baber Close
CF23 9BX
1 Ffordd Nowell, Penylan
CF23 9FA
1 Hugon Close
CF23 9BY
1 Grafton Close, Penylan
CF23 9JA
1 Howardian Close, Penylan
CF23 9AG
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.







