Model valuation£417,0008 Busby Close
Local market context
Estimated value
£268,000
Newest record on this page: August 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Our estimate
£268,000
Your note and figure are shown publicly on this page.
The estimate for 17 Grafton Close is modelled from its 90 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF23 9JA. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Floor area
90 m² from the EPC lodged in November 2013
Sales of this home
2 sales recorded, the latest in 2017
Recent sales in CF23 9JA
5 sales, median £270,000 (2025–2021)
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: August 2025 | Latest available records, read when you order |
| Valuation | Estimate from the last refresh | Analysed against comparable sales |
| Planning | None on this home | Full history, plus nearby schemes |
| Flood risk | Not shown | Included |
17 Grafton Close valuation sits well clear of the typical sold price in this postcode.
26 October 2017Most recent
£130,000
-25.7%over 7 years22 December 2009
£174,950
Median price across the last 5 sales in CF23 9JA: £270,000 (2025–2021).
21 Grafton Close, Penylan, Cardiff, CF23 9JA
Sold Aug 2025
3 Grafton Close, Penylan, Cardiff, CF23 9JA
Sold Mar 2024
7 Grafton Close, Penylan, Cardiff, CF23 9JA
Sold Mar 2023
13 Grafton Close, Penylan, Cardiff, CF23 9JA
Sold Feb 2023
33 Grafton Close, Penylan, Cardiff, CF23 9JA
Sold Sept 2012
One time fee only - money back guarantee
17 Grafton Close is a semi-detached house in Penylan, Cardiff, Cardiff (CF23 9JA). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (November 2013) shows a C (score 69), just inside the C band. When first surveyed in October 2009 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Good, hot-water efficiency went from Poor to Good and lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 85). The latest certificate is from November 2013, so improvements made since then won't be reflected.
Across 2009–2017, sale prices on this property compounded at -3.7% per year. Today's modelled estimate of £268,000 sits 106.2% above the 2017 sale of £130,000. On a £-per-square-foot basis, the last sale (£134/sq ft) was about 33.4% below the postcode norm. 9 years since the last transfer (October 2017).
17 Grafton Close's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 26 Nov 2023
Certificate validity
Expired on 26 November 2023
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
17 Grafton Close has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Price per m² for 17 Grafton Close lags the street by a wide margin.
Price per m²
£1,444
Street avg £3,174
Floor Area
90 m²
Street avg 90 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.0 t/year
Street avg 3.8 t/year
Crime
169/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Grafton Close — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Get a survey for this property
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
CF23 9AG
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