20 St Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
About 20 St Stephens Mansions
20 St Stephens Mansions is a two-bedroom mid-terrace house in Cardiff (CF10 5LQ). It has a recorded floor area of 98 m² (around 1055 sq ft), construction records dating it to 1996-2002 and council tax band E. The property has solar panels on record, all of which lower running costs and tend to lift resale appeal. The home occupies a corner plot. At 98 m² this is the 62nd smallest of 64 units on EPC record in the building, where floor areas span 48–99 m². The building's EPC ratings span E to B across 64 units on file. The latest certificate (March 2019) shows a C (score 72). The recommended improvements would push it to B (score 85). Main heating runs on electricity.
At 98 m² the property is well over the postcode median (71 m² across 63 EPCs), placing it in the larger end of the local stock. Sold January 2025 for £200,000. Across the public record there are 4 sales, relatively high churn for a single property.
What this property has
Inside
- Bedrooms2
- Bathrooms2
- EnsuiteYes
Outside
- ParkingAllocated
- Corner plotYes
Building
- Solar panelsYes
Energy performance
EPC Rating
Certificate validity
Valid until 21 March 2029
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
20 St Stephens Mansions has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20 St Stephens Mansions's sale-price growth has lagged the wider UK trajectory across its history on file.
£210,000
Modelled from EPC, postcode comparables and a sale-price growth of -0.1% per year over 21 years.
£200,000
Growth on file: -0.1% per year over 21 years.
Sales timeline
7 January 2025Most recent
£200,000
+3.6%over 4 years27 November 2020
£193,000
-1.0%over 1 year18 June 2019
£195,000
-4.9%over 15 years10 June 2004
£205,000
Median price across the last 5 sales in CF10 5LQ: £195,000 (2026–2024).
Nearby sales in CF10 5LQ
32 St Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
Sold May 2026
£200,00036 St Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
Sold Apr 2026
£162,00053 St Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
Sold Jul 2025
£184,00046 St Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
Sold Jul 2025
£195,00012 St Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
Sold Jul 2024
£199,900
Versus other Mount Stuart Square homes
Floor Area for 20 St Stephens Mansions runs comfortably ahead of the street norm.
Price per m²
£2,041
Street avg £2,310
Floor Area
98 m²
Street avg 72 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
2.3 t/year
Street avg 2.2 t/year
Similar properties nearby
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
485/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Dumballs Road Bottom — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







