The Boat House, Store House Row, Nantgarw, Cardiff, CF15 7TB
About The Boat House
The Boat House is a detached house in Nantgarw, Cardiff, Cardiff (CF15 7TB). It has a recorded floor area of 202 m² (around 2174 sq ft) and construction records dating it to before 1900. The latest certificate (September 2024) shows a C (score 72). When first surveyed in April 2009 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Average, hot-water efficiency went from Average to Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average.
Untraded for 17 years, with the last transfer in September 2009. Across the public record there are 4 sales, relatively high churn for a single property. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1996–2009, sale prices on this property compounded at 8.7% per year. Today's modelled estimate of £512,000 sits 86.2% above the 2009 sale of £275,000. 10 planning records sit against the property, 8 approved, 2 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Solar PV panels (25 kWp) installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
Multiple extension applications run across more than a decade of planning history at The Boat House.
10 applications on record at The Boat House, Store House Row, Nantgarw, Cardiff, CF15 7TB
- Aug 2004ConservatoryFullOutcome in report
Proposed conservatory.
Extension- Reference
- 04/1358/10
- More recent applications — locked
- ExtensionSept 2014Decision
- ExtensionSept 2014Decision
+ 7 more applications in the report
Unlock The Boat House, Store House Row, Nantgarw, Cardiff, CF15 7TB's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (10 on record)
- All 10 applications on this property in full, plus 1 notable nearby
- The 47 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The Boat House has more than doubled in price since the earliest registered sale in 1996.
£512,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.7% per year over 13 years.
£275,000
Growth on file: 8.7% per year over 13 years.
Sales timeline
9 September 2009Most recent
£275,000
24 July 2005
£275,000
+110.7%over 4 years29 March 2001
£130,500
+37.4%over 4 years2 December 1996
£95,000
Median price across the last 4 sales in CF15 7TB: £163,500 (2018–1999).
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Cross Keys Inn — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







