1 Grenville Road, Cardiff, CF23 5BP
About 1 Grenville Road
1 Grenville Road is a four-bedroom end-of-terrace house in Cardiff (CF23 5BP). It has a recorded floor area of 135 m² (around 1453 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (January 2019) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78). Records show the property has been extended at some point in its history.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 135 m² it's 21.7% larger than the typical home in the postcode (111 m² median across 7 EPCs). Across 2008–2020, sale prices on this property compounded at 5.6% per year. Today's modelled estimate of £554,000 is 28.8% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£296/sq ft) was about 30.9% above the typical sold price in the postcode. Sold March 2020 for £430,000.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- EnsuiteYes
Building
- Previously extendedYes
Energy performance
EPC Rating
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.
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Planning history
1 Grenville Road has an approved rear extension on the planning record.
2 applications on record at 1 Grenville Road, Cardiff, CF23 5BP
- Apr 2012FullOutcome in report
REAR DORMER AND ALTERATION WORKS
- Documents
- 8 docs on file
- Reference
- 12/00228/DCH
- More recent applications — locked
- ExtensionMar 2014Decision
Unlock 1 Grenville Road, Cardiff, CF23 5BP'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- Every decision — granted, refused or withdrawn (2 on record)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 13 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 1 Grenville Road was the highest on Land Registry record across the postcode.
£554,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 12 years.
£430,000
Growth on file: 5.6% per year over 12 years.
Sales timeline
27 March 2020Most recent
£430,000
+93.3%over 12 years29 February 2008
£222,500
Median price across the last 5 sales in CF23 5BP: £297,500 (2016–2012).
Nearby sales in CF23 5BP
Versus other Grenville Road homes
1 Grenville Road outperforms the street on price per m² by a wide margin.
Price per m²
£3,185
Street avg £2,626
Floor Area
135 m²
Street avg 111 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
5.5 t/year
Street avg 4.5 t/year
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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
0.1 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.







