The Town House, Berthwin Street, Cardiff, CF11 9JH
About The Town House
The Town House is an end-of-terrace house in Cardiff (CF11 9JH). It has a recorded floor area of 168 m² (around 1810 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (August 2009) shows an F (score 29), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since February 2009. Between certificates, window efficiency dropped from Average to Poor. The recommended improvements would push it to E (score 39). The latest certificate is from August 2009, so improvements made since then won't be reflected.
It hasn't traded since March 2005, a hold of 21 years that's notably long for the area. At 168 m² it's 18.8% larger than the typical home in the postcode (142 m² median across 12 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £559,000 sits 107% above the 2005 sale of £270,000. On a £-per-square-foot basis, the last sale (£149/sq ft) was about 31.1% below the postcode norm.
Everything you need to know about The Town House
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
The Town House sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 26 Aug 2019
EPC Rating
Certificate validity
Expired on 26 August 2019
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
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 £1,085 · Includes VAT
Planning history
The Town House has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The Town House valuation sits well clear of the typical sold price in this postcode.
£559,000
Modelled from EPC, postcode comparables.
£270,000
Recorded with HM Land Registry.
Sales timeline
27 March 2005Most recent
£270,000
Median price across the last 5 sales in CF11 9JH: £540,000 (2024–2018).
Nearby sales in CF11 9JH
Versus other Berthwin Street homes
On price per m², The Town House runs well behind the street norm.
Price per m²
£1,606
Street avg £3,267
Floor Area
168 m²
Street avg 150 m²
Habitable Rooms
4 rooms
Street avg 7 rooms
CO₂ Emissions
12.0 t/year
Street avg 6.5 t/year
Everything you need to know about The Town House
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Crime
362/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.