21 St Fagans Street, Cardiff, CF11 7LG
About 21 St Fagans Street
21 St Fagans Street is a three-bedroom mid-terrace house in Cardiff (CF11 7LG). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (January 2021) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 85), a 2-band jump.
Today's modelled estimate of £283,000 is 29.8% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£199/sq ft) was about 62.2% above the typical sold price in the postcode. Sold February 2022 for £218,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenRear
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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 £885 · Includes VAT
Planning history
21 St Fagans Street has no planning applications on record.
But the area is active
8 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Latest sale on 21 St Fagans Street was the highest on Land Registry record across the postcode.
£283,000
Modelled from EPC, postcode comparables.
£218,000
Recorded with HM Land Registry.
Sales timeline
16 February 2022Most recent
£218,000
Median price across the last 5 sales in CF11 7LG: £170,000 (2023–2018).
Nearby sales in CF11 7LG
Versus other St Fagans Street homes
On price per m², 21 St Fagans Street stands well clear of the street.
Price per m²
£2,137
Street avg £1,469
Floor Area
102 m²
Street avg 108 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
4.3 t/year
Street avg 4.7 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Llanmaes Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







