42b, Hamilton Street, Cardiff, CF11 9BP
About 42b
42b is a three-bedroom mid-terrace house in Cardiff (CF11 9BP). It has a recorded floor area of 114 m² (around 1231 sq ft), construction records dating it to 1900-1929 and council tax band C. At 114 m² this is the 20th smallest of 51 units on EPC record in the building, where floor areas span 27–192 m². The building's EPC ratings span E to B across 51 units on file. The latest certificate (November 2008) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 71). The latest certificate is from November 2008, so improvements made since then won't be reflected.
Last changed hands 11 years ago, in December 2015. At 114 m² it's 18.8% smaller than the typical home in the postcode (141 m² median across 50 EPCs). Across 1998–2015, sale prices on this property compounded at 7% per year. Today's modelled estimate of £315,000 is 28.6% above the 2015 sale price.
What this property has
Inside
- Bedrooms3
- Open-plan layoutYes
- EnsuiteYes
Outside
- Private gardenYes
Building
- Heating systemGas
Energy performance
42b's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 13 Nov 2018
EPC Rating
Certificate validity
Expired on 13 November 2018
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 £955 · Includes VAT
Planning history
42b 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
Sale price has grown by over 3x since 1998.
£315,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 17 years.
£245,000
Growth on file: 7.0% per year over 17 years.
Sales timeline
9 December 2015Most recent
£245,000
+27.6%over 8 years26 January 2007
£192,000
+156.2%over 8 years2 July 1998
£74,950
Median price across the last 5 sales in CF11 9BP: £265,000 (2025–2024).
Nearby sales in CF11 9BP
5 Hamilton Street, Cardiff, CF11 9BP
Sold May 2025
£265,0002 Hamilton Street, Cardiff, CF11 9BP
Sold Mar 2025
£510,0001 The Hamilton Villas, Hamilton Street, Cardiff, CF11 9BP
Sold Jan 2025
£28,7504 Hamilton Street, Cardiff, CF11 9BP
Sold Nov 2024
£360,0007 Hamilton Street, Cardiff, CF11 9BP
Sold Feb 2024
£525,000
Versus other Hamilton Street homes
Floor Area for 42b runs comfortably ahead of the street norm.
Price per m²
£2,141
Street avg £3,245
Floor Area
114 m²
Street avg 61 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
5.0 t/year
Street avg 2.2 t/year
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The neighbourhood at a glance
Crime
362/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Sophia Gardens — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







