21 Waterloo Gardens, Cardiff, CF23 5AA
About 21 Waterloo Gardens
21 Waterloo Gardens is a mid-terrace house in Cardiff (CF23 5AA). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (February 2019) shows a D (score 59), a step below the typical UK home. When first surveyed in January 2009 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Very Poor to Average and main heating went from Average to Good. The recommended improvements would push it to C (score 76).
Across 2017–2018, sale prices on this property compounded at 12.8% per year. Today's modelled estimate of £356,000 is 29.5% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£237/sq ft) was about 44.3% above the typical sold price in the postcode. Sold November 2018 for £275,000.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Windows upgraded, improving insulation
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Low energy lighting percentage decreased
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
21 Waterloo Gardens has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21 Waterloo Gardens changed hands twice within eighteen months — unusual for the area.
£356,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.8% per year over 1 year.
£275,000
Growth on file: 12.8% per year over 1 year.
Sales timeline
9 November 2018Most recent
£275,000
+17.0%over 1 year19 July 2017
£235,000
Median price across the last 5 sales in CF23 5AA: £475,000 (2023–2014).
Nearby sales in CF23 5AA
29 Waterloo Gardens, Cardiff, CF23 5AA
Sold Nov 2023
£600,00017 Waterloo Gardens, Cardiff, CF23 5AA
Sold May 2023
£550,00019 Waterloo Gardens, Cardiff, CF23 5AA
Sold Aug 2018
£475,00011 Waterloo Gardens, Cardiff, CF23 5AA
Sold Jul 2016
£280,000Waterloo Court, Flat 1, Waterloo Gardens, Cardiff, CF23 5AA
Sold Sept 2014
£325,000
Versus other Waterloo Gardens homes
EPC Rating for 21 Waterloo Gardens lags the street by a wide margin.
Price per m²
£2,546
Street avg £2,654
Floor Area
108 m²
Street avg 155 m²
Habitable Rooms
5 rooms
Street avg 7 rooms
CO₂ Emissions
5.0 t/year
Street avg 6.0 t/year
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Waterloo Gardens — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







