12 St Johns Crescent, Canton, Cardiff, CF5 1NX
About 12 St Johns Crescent
12 St Johns Crescent is a five-bedroom mid-terrace house in Canton, Cardiff, Cardiff (CF5 1NX). It has a recorded floor area of 171 m² (around 1841 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (October 2021) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in November 2011 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency dropped from Average to Very Poor. 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 171 m² the property is well over the postcode median (60 m² across 25 EPCs), placing it in the larger end of the local stock. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2012–2022, sale prices on this property compounded at 7.2% per year. On a £-per-square-foot basis, the last sale (£318/sq ft) was about 51.1% above the typical sold price in the postcode. Sold August 2022 for £585,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms5
- Bathrooms2
- Dining roomYes
- CloakroomYes
- EnsuiteYes
- StudyYes
Outside
- Private gardenRear
Building
- Central heatingYes
- Period featuresYes
- Previously extendedYes
- RefurbishedYes
Energy performance
12 St Johns Crescent's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Certificate validity
Valid until 5 October 2031
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Windows upgraded, improving insulation
More low energy lighting installed
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 £1,155 · Includes VAT
Planning history
12 St Johns Crescent has 2 separate extension applications on the council record.
2 applications on record at 12 St Johns Crescent, Canton, Cardiff, CF5 1NX
- May 2015ExtensionFullOutcome in report
Extension: Single storey · Rear of property
SINGLE STOREY EXTENSION TO REAR OF PRPERTY. INTERNAL ALTERATIONS
- Documents
- 7 docs on file
- Reference
- 15/00478/DCH
- More recent applications — locked
- ExtensionAug 2015Decision
Unlock 12 St Johns Crescent, Canton, Cardiff, CF5 1NX's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 2 notable nearby
- The 14 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
Latest sale on 12 St Johns Crescent was the highest on Land Registry record across the postcode.
£643,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.2% per year over 10 years.
£585,000
Growth on file: 7.2% per year over 10 years.
Sales timeline
18 August 2022Most recent
£585,000
+105.3%over 10 years3 May 2012
£285,000
Median price across the last 5 sales in CF5 1NX: £168,000 (2025–2021).
Nearby sales in CF5 1NX
2b, St Johns Crescent, Canton, Cardiff, CF5 1NX
Sold Jun 2025
£225,0002c, St Johns Crescent, Canton, Cardiff, CF5 1NX
Sold Mar 2025
£168,00025 St Johns Crescent, Canton, Cardiff, CF5 1NX
Sold Feb 2023
£583,0002a, St Johns Crescent, Canton, Cardiff, CF5 1NX
Sold May 2021
£140,00019 St Johns Crescent, Canton, Cardiff, CF5 1NX
Sold Nov 2020
£290,000
Versus other St Johns Crescent homes
12 St Johns Crescent outperforms the street on epc rating by a wide margin.
Price per m²
£3,421
Street avg £2,286
Floor Area
171 m²
Street avg 160 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
6.0 t/year
Street avg 8.1 t/year
Similar properties nearby
1 Church Road, Canton
CF5 1NY
1 Atlas Place
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1 Butleigh Avenue
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1 Bernard Avenue, Canton
CF5 1BT
1 Burlington Terrace
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1 Birchfield Crescent
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1 Cumberland Street
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1 Egerton Mews, Egerton Street
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
426/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Canton Chapter Arts Centre — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







