7 Ambleside Avenue, Cardiff, CF23 5PX
About 7 Ambleside Avenue
7 Ambleside Avenue is a three-bedroom semi-detached house in Cardiff (CF23 5PX). It has a recorded floor area of 153 m² (around 1647 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (May 2025) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in November 2008 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 Very Good and main heating went from Average to Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 74).
At 153 m² the property is well over the postcode median (113 m² across 4 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £541,000 sits 86.6% above the 2014 sale of £290,000. On a £-per-square-foot basis, the last sale (£176/sq ft) was about 26.1% below the postcode norm. Last sold in October 2014, so it's been off the market for around 12 years.
What this property has
Inside
- Bedrooms3
Energy performance
7 Ambleside Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
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Planning history
7 Ambleside Avenue 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
7 Ambleside Avenue valuation sits well clear of the typical sold price in this postcode.
£541,000
Modelled from EPC, postcode comparables.
£290,000
Recorded with HM Land Registry.
Sales timeline
22 October 2014Most recent
£290,000
Median price across the last 5 sales in CF23 5PX: £290,000 (2024–2000).
Nearby sales in CF23 5PX
Versus other Ambleside Avenue homes
EPC Rating for 7 Ambleside Avenue lags the street by a wide margin.
Price per m²
£1,895
Street avg £2,775
Floor Area
153 m²
Street avg 114 m²
Habitable Rooms
8 rooms
Street avg 5 rooms
CO₂ Emissions
6.4 t/year
Street avg 4.1 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
Grasmere Avenue — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







