20 Harrismith Road, Cardiff, CF23 5DG
About 20 Harrismith Road
20 Harrismith Road is a five-bedroom mid-terrace house in Cardiff (CF23 5DG). It has a recorded floor area of 171 m² (around 1841 sq ft), construction records dating it to before 1900 and council tax band F. Tenure is freehold. The latest certificate (April 2016) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78). The latest certificate is from April 2016, so improvements made since then won't be reflected. Other recorded features include outbuildings and a loft. Records show the property has been extended at some point in its history.
At 171 m² the property is well over the postcode median (102 m² across 23 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2012. Past consents include an extension, a conservatory and partial demolition, meaningful when judging how the property has evolved. Across 2010–2023, sale prices on this property compounded at 6.3% per year. On a £-per-square-foot basis, the last sale (£321/sq ft) was about 61.4% above the typical sold price in the postcode. Most recent transfer: March 2023 at £590,000.
What this property has
Inside
- Bedrooms5
- Bathrooms3
- Open-plan layoutYes
- Dining roomYes
- CloakroomYes
- EnsuiteYes
- LoftYes
Outside
- Private gardenRear
- OutbuildingsYes
Building
- TenureFreehold
- Previously extendedYes
Energy performance
20 Harrismith Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 10 Apr 2026
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has solid (non-cavity) walls, and has permanent outbuildings, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
1 application on record at 20 Harrismith Road, Cardiff, CF23 5DG
- Jan 2012ConservatoryFullOutcome in report
DEMOLISH CONSERVATORY AND REPLACE WITH LEAN TO EXTENSION
ExtensionDemolition- Documents
- 6 docs on file
- Reference
- 11/02091/DCH
Unlock 20 Harrismith Road, Cardiff, CF23 5DG's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 1 notable nearby
- The 6 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 20 Harrismith Road was the highest on Land Registry record across the postcode.
£572,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.3% per year over 12 years.
£590,000
Growth on file: 6.3% per year over 12 years.
Sales timeline
7 March 2023Most recent
£590,000
+41.8%over 6 years11 November 2016
£416,000
+48.6%over 5 years30 November 2010
£280,000
Median price across the last 5 sales in CF23 5DG: £430,000 (2024–2020).
Nearby sales in CF23 5DG
Versus other Harrismith Road homes
Floor Area for 20 Harrismith Road runs comfortably ahead of the street norm.
Price per m²
£3,450
Street avg £2,985
Floor Area
171 m²
Street avg 123 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
7.1 t/year
Street avg 6.5 t/year
Similar properties nearby
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CF23 5ES
1 Clos Derwen
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1 Clos Edno
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1 Crystal Avenue
CF23 5QJ
1 Bronwydd Close
CF23 5RA
1 Beatty Avenue
CF23 5QR
1 Balaclava Road
CF23 5BB
1 Clos Tecwyn
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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
0.2 km
Melrose Avenue — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







