New House, Harrismith Road, Cardiff, CF23 5DG
About New House
New House is a detached house in Cardiff (CF23 5DG). It has a recorded floor area of 112 m² (around 1209 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (October 2009) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 72). The latest certificate is from October 2009, so improvements made since then won't be reflected.
On the market in October 2015 and unlisted since — roughly 11 years. Across the public record there are 4 sales, relatively high churn for a single property. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 1995–2015, sale prices on this property compounded at 7.7% per year. Today's modelled estimate of £418,000 is 33.1% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£260/sq ft) was about 28.2% above the typical sold price in the postcode.
Energy performance
New House's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 13 Oct 2019
EPC Rating
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Planning history
2 applications on record at New House, Harrismith Road, Cardiff, CF23 5DG
- May 2016ExtensionFullOutcome in report
Extension: Single storey
DEMOLITION OF GARAGE AND SIDE PORCH, CONSTRUCTION OF SINGLE STOREY EXTENSION TO FRONT, SIDE AND REAR, EXTENSION TO ROOF TO PROVIDE EXTRA STOREY TO EXISTING DETACHED 2 STOREY HOUSE. RECLADDING AND REMODELLING OF EXISTING FACADES
- Documents
- 18 docs on file
- Reference
- 16/00289/DCH
- More recent applications — locked
- ConditionsJan 2017Decision
Unlock New House, 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- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 1 notable nearby
- The 26 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
New House has more than quadrupled in price since its earliest registered sale in 1995.
£418,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.7% per year over 20 years.
£314,000
Growth on file: 7.7% per year over 20 years.
Sales timeline
26 October 2015Most recent
£314,000
+28.2%over 10 years19 January 2005
£245,000
+75.0%over 3 years15 July 2001
£140,000
+100.0%over 5 years7 September 1995
£70,000
Median price across the last 5 sales in CF23 5DG: £430,000 (2024–2021).
Nearby sales in CF23 5DG
Versus other Harrismith Road homes
New House outperforms the street on epc rating by a wide margin.
Price per m²
£2,796
Street avg £3,031
Floor Area
112 m²
Street avg 126 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
4.6 t/year
Street avg 6.7 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
0.2 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.







