Model valuation£417,0008 Busby Close
Local market context
20 Clos Derwen, Cardiff, CF23 5HJ
Estimated value
£707,000
- Since the 2025 sale (£660,000)+7%
- Against CF23 5HJ's recent median (£407,000)+74%
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
Habitable rooms
10
From EPC
Floor area
163 m²
1755 sq ft
Energy rating
C
Score 75
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
£707,000
- Against its 2025 sale (£660,000)+7%
- Against CF23 5HJ's recent median (£407,000)+74%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 20 Clos Derwen is modelled from its 163 m² EPC floor area, its 2 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
163 m² from the EPC lodged in January 2025
Sales of this home
2 sales recorded, the latest in 2025
Recent sales in CF23 5HJ
5 sales, median £407,000 (2022–2021)
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 | None on this home | 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.
Latest sale on 20 Clos Derwen was the highest on Land Registry record across the postcode.
Sales timeline
26 May 2025Most recent
£660,000
+230.1%over 25 years25 February 2000
£199,950
Median price across the last 5 sales in CF23 5HJ: £407,000 (2022–2021).
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 20 Clos Derwen
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
20 Clos Derwen is a detached house in Cardiff (CF23 5HJ). It has a recorded floor area of 163 m² (around 1755 sq ft), construction records dating it to 1996-2002 and council tax band G. The latest certificate (January 2025) shows a C (score 75), near the top of the C band. The recommended improvements would push it to B (score 83).
At 163 m² the property is well over the postcode median (114 m² across 23 EPCs), placing it in the larger end of the local stock. It changed hands recently, sold May 2025 for £660,000. Across 2000–2025, sale prices on this property compounded at 4.8% per year. On a £-per-square-foot basis, the last sale (£376/sq ft) was about 75.1% above the typical sold price in the postcode.
Before you decide
Everything you need to know about 20 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
Jan 2025EPC Rating
A
B
C
C75
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
4.0 t/year
Occupancy
Owner Occupied
Certificate validity
Valid until 22 January 2035
Planning history
Applications and permits filed against 20 Clos Derwen, Cardiff, CF23 5HJ, sourced from the PlanIt planning register.
20 Clos Derwen has no planning applications on record.
1
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Versus other Clos Derwen homes
Four headline reads against 23 similar houses on this street, drawn from the latest EPC and Land Registry data.
Years Held for 20 Clos Derwen lags the street by a wide margin.
Price per m²
£4,049
Street avg £3,067
Floor Area
163 m²
Street avg 115 m²
Habitable Rooms
10 rooms
Street avg 6 rooms
CO₂ Emissions
4.0 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 £1,220 · Includes VAT
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
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Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.
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 20 Clos Derwen is modelled from its 163 m² EPC floor area, its 2 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. 2 sales are recorded for 20 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 20 Clos Derwen was lodged in January 2025 at band C and is valid until January 2035. Floor area, heating and insulation details on this page come from it.
- Planning records
- Planning applications are collected from local authority registers through PlanIt. None is matched to 20 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
- 20 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 20 Clos Derwen, Cardiff, CF23 5HJ. Each answer is also embedded as structured data for search engines.
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Keep exploring
- Every home in CF23 5HJSold prices, values and energy ratings for the postcode
- CF 23 property marketPrices, postcodes, schools and transport across the district
- 20 Clos Derwen, Cardiff valuationHow the estimate is built and what moves it
- UK house price mapExplore prices by district, year by year
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