Model valuation£417,0008 Busby Close
Local market context
4 Clos Derwen, Cardiff, CF23 5HJ
3 sales on record1 planning record
Estimated value
£623,000
- Since the 2020 sale (£478,000)+30%
- Against CF23 5HJ's recent median (£425,000)+47%
Newest record on this page: May 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
Detached
Bedrooms
4
Bathrooms
2
Floor area
170 m²
1830 sq ft
Energy rating
C
Score 71
Council tax
Band G
Tenure
Owner Occupied
About this valuation
How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.
Our estimate
£623,000
- Against its 2020 sale (£478,000)+30%
- Against CF23 5HJ's recent median (£425,000)+47%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 4 Clos Derwen is modelled from its 170 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in CF23 5HJ. 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.
What it's based on
Floor area
170 m² from the EPC lodged in December 2019
Sales of this home
3 sales recorded, the latest in 2020
Recent sales in CF23 5HJ
5 sales, median £425,000 (2025–2021)
This page or the full report?
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: May 2025 | Latest available records, read when you order |
| Valuation | Estimate from the last refresh | Analysed against comparable sales |
| Planning | 1 application | Full history, plus nearby schemes |
| Flood risk | Not shown | Included |
Sales history & valuation
Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.
Sale price has grown by over 3x since 1999.
Sales timeline
2 April 2020Most recent
£478,000
+139.1%over 18 years3 September 2001
£199,950
+41.3%over 1 year21 December 1999
£141,550
Median price across the last 5 sales in CF23 5HJ: £425,000 (2025–2021).
What this page doesn't show
Nothing is flagged from the data on this page, but these checks are only run in the report. The detail, evidence and what to ask about it are in the Risks Report.
- Flood risk from rivers, sea and surface waterIn report
- Subsidence and ground-stability signalsIn report
- Refusals, enforcement and big schemes nearbyIn report
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About 4 Clos Derwen
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
4 Clos Derwen is a four-bedroom detached house in Cardiff (CF23 5HJ). It has a recorded floor area of 170 m² (around 1830 sq ft), construction records dating it to 1996-2002 and council tax band G. The latest certificate (December 2019) shows a C (score 71). The recommended improvements would push it to B (score 81). Records show the property has been extended at some point in its history.
At 170 m² the property is well over the postcode median (114 m² across 23 EPCs), placing it in the larger end of the local stock. One planning record on file: a garage conversion approved in 2010. Past consents include a garage conversion, meaningful when judging how the property has evolved. Across 1999–2020, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £623,000 is 30.3% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£261/sq ft) was about 21.4% above the typical sold price in the postcode. Sold April 2020 for £478,000.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- GarageYes
Building
- Previously extendedYes
Before you decide
Everything you need to know about 4 Clos Derwen
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate
Dec 2019EPC Rating
A
B
C
C71
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
5.0 t/year
Occupancy
Owner Occupied
Certificate validity
Valid until 18 December 2029
Planning history
Applications and permits filed against 4 Clos Derwen, Cardiff, CF23 5HJ, sourced from the PlanIt planning register.
1 application on record at 4 Clos Derwen, Cardiff, CF23 5HJ
1decisions1extensions2documents1nearby
- Nov 2010Garage ConversionFullOutcome in report
CONVERSION OF EXISTING GARAGE INTO PLAYROOM/DAY ROOM WITH THE PROVISION OF 3 NO CAR PARKING SPACES
- Documents
- 2 docs on file
- Reference
- 10/01593/DCH
Unlock 4 Clos Derwen, Cardiff, CF23 5HJ'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 2 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Versus other Clos Derwen homes
Four headline reads against 23 similar houses on this street, drawn from the latest EPC and Land Registry data.
Floor Area for 4 Clos Derwen runs comfortably ahead of the street norm.
Price per m²
£2,812
Street avg £3,121
Floor Area
170 m²
Street avg 114 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
5.0 t/year
Street avg 3.5 t/year
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Cardiff district page.
Crime
169/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Brandreth Rd — bus stop.
Nearest stops
- Brandreth RdBus stop153m
- Wasdale CloseBus stop200m
- Dorchester CourtBus stop255m
- Alder RoadBus stop261m
Most reported crime locally
- Violence & Sexual Offences995 reports33%
- Anti-social Behaviour345 reports11%
- Public Order344 reports11%
- Shoplifting340 reports11%
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
Level 3 Building Survey
Late 20th centuryDetached HouseEPC CExtended multiple times (2+ extensions)
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,155 · Includes VAT
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£620k
1 Clos Edno
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4 bed2 bath
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1 Clos Derwen
CF23 5HJ
4 bed2 bath
£666k
1 Beatty Avenue
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£669k
1 Bronwydd Close
CF23 5RA
4 bed2 bath
£550k
1 Crystal Avenue
CF23 5QJ
4 bed1 bath
£770k
1 Balaclava Road
CF23 5BB
4 bed3 bath
£470k
1 Clos Tecwyn
CF23 5ND
4 bed2 bath
£567k
1 Boverton Street
CF23 5ES
5 bed
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Start your researchHow to read this page
Where every figure above comes from, how current it is and what it can't tell you.
- How the estimate is made
- The estimate for 4 Clos Derwen is modelled from its 170 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in CF23 5HJ. 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.
- Where sold prices come from
- Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 3 sales are recorded for 4 Clos Derwen. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
- Reading the EPC
- Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 4 Clos Derwen was lodged in December 2019 at band C and is valid until December 2029. Floor area, heating and insulation details on this page come from it.
- Planning records
- Planning applications are collected from local authority registers through PlanIt. 1 application is matched to 4 Clos Derwen. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
- Area figures
- Crime is police-recorded street-level data over the last 18 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF23 5HJ.
- Council tax band
- 4 Clos Derwen is in council tax band G. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
Common questions
The questions buyers, sellers and homeowners most often ask about 4 Clos Derwen, Cardiff, CF23 5HJ. Each answer is also embedded as structured data for search engines.
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- Every home in CF23 5HJSold prices, values and energy ratings for the postcode
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