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
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.
£629,000
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
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1 Atlas Place
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1 Butleigh Avenue
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1 Egerton Street
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1 Burlington Terrace
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1 Bernard Avenue, Canton
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1 Egerton Mews, Egerton Street
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1 Birchfield Crescent
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/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.







