3 Berthwin Street, Cardiff, CF11 9JH
About 3 Berthwin Street
3 Berthwin Street is a three-bedroom mid-terrace house in Cardiff (CF11 9JH). It has a recorded floor area of 133 m² (around 1432 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (October 2012) shows a D (score 56), a step below the typical UK home. The recommended improvements would push it to C (score 80). The latest certificate is from October 2012, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy.
One planning record on file: tree works approved in 2014. Past consents include tree works, meaningful when judging how the property has evolved. Across 2003–2023, sale prices on this property compounded at 3.4% per year. On a £-per-square-foot basis, the last sale (£426/sq ft) was about 100.8% above the typical sold price in the postcode. Last sale on file: £610,000 in February 2023.
What this property has
Inside
- Bedrooms3
- Bathrooms2
Outside
- Private gardenRear
Building
- RefurbishedYes
- Extension potentialPossible
Energy performance
3 Berthwin Street'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This certificate is over 10 years old and is no longer valid.Expired 17 Oct 2022
EPC Rating
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 £1,155 · Includes VAT
Planning history
1 application on record at 3 Berthwin Street, Cardiff, CF11 9JH
- Sept 2014Tree WorksTreesOutcome in report
Prune Cherry tree in front garden, trim hedge, trim back boundaries in rear garden and possibly remove Pittosporum.
- Reference
- PONT/CA/14/00186
Unlock 3 Berthwin Street, Cardiff, CF11 9JH'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- Every decision — granted, refused or withdrawn (1 on record)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 4 notable nearby
- What the pattern means for extending or converting here
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Sales history & valuation
3 Berthwin Street valuation sits well clear of the typical sold price in this postcode.
£639,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.4% per year over 19 years.
£610,000
Growth on file: 3.4% per year over 19 years.
Sales timeline
10 February 2023Most recent
£610,000
+54.4%over 9 years13 June 2013
£395,000
+23.4%over 9 years7 November 2003
£320,000
Median price across the last 5 sales in CF11 9JH: £540,000 (2024–2017).
Nearby sales in CF11 9JH
Versus other Berthwin Street homes
On years held, 3 Berthwin Street runs well behind the street norm.
Price per m²
£4,586
Street avg £3,105
Floor Area
133 m²
Street avg 155 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
6.2 t/year
Street avg 7.4 t/year
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The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Berthwin Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







