Model valuation£417,0008 Busby Close
Local market context
1 Duffryn Avenue, Cardiff, CF23 6LE
1 planning record
Estimated value
£507,000
- Since the 2021 sale (£365,000)+39%
- Against CF23 6LE's recent median (£440,000)+15%
Newest record on this page: July 2023. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
Semi-detached
Bedrooms
4
Floor area
92 m²
990 sq ft
Energy rating
E
Score 47
Council tax
Band F
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
£507,000
- Against its 2021 sale (£365,000)+39%
- Against CF23 6LE's recent median (£440,000)+15%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 1 Duffryn Avenue is modelled from its 92 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF23 6LE. 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
92 m² from the EPC lodged in August 2021
Sales of this home
1 sale recorded, the latest in 2021
Recent sales in CF23 6LE
5 sales, median £440,000 (2023–2016)
This page or the full report?
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: July 2023 | 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.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
Sales timeline
8 November 2021Most recent
£365,000
Median price across the last 5 sales in CF23 6LE: £440,000 (2023–2016).
Nearby sales in CF23 6LE
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 1 Duffryn Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
1 Duffryn Avenue is a four-bedroom semi-detached house in Cardiff (CF23 6LE). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (August 2021) shows an E (score 47), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 80), a 2-band jump. Main heating runs on electricity.
One planning record on file: an extension approved in 2023. Past consents include an extension, meaningful when judging how the property has evolved. At 92 m² it's 18.6% smaller than the typical home in the postcode (113 m² median across 7 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Today's modelled estimate of £507,000 is 38.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£369/sq ft) was about 40.1% above the typical sold price in the postcode. Sold November 2021 for £365,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
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
Outside
- GarageYes
Building
- RefurbishedYes
Before you decide
Everything you need to know about 1 Duffryn Avenue
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.
1 Duffryn Avenue's carbon output runs well above what efficient homes in the postcode produce.
Current Certificate
Aug 2021EPC Rating
A
B
C
D
E
E47
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Very Poor
Windows
Average
CO2 Emissions
7.0 t/year
Occupancy
Owner Occupied
Certificate validity
Valid until 6 August 2031
Planning history
Applications and permits filed against 1 Duffryn Avenue, Cardiff, CF23 6LE, sourced from the PlanIt planning register.
1 Duffryn Avenue has an approved extension on the planning record.
1 application on record at 1 Duffryn Avenue, Cardiff, CF23 6LE
1decisions1extensions13documents1nearby
- Jan 2023ExtensionFullOutcome in report
PROPOSED FRONT AND REAR SINGLE STOREY EXTENSIONS
- Documents
- 13 docs on file
- Reference
- 22/01561/DCH
Unlock 1 Duffryn Avenue, Cardiff, CF23 6LE'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 13 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Versus other Duffryn Avenue homes
Four headline reads against 7 similar houses on this street, drawn from the latest EPC and Land Registry data.
1 Duffryn Avenue is notably below the street on floor area.
Price per m²
£3,967
Street avg £2,874
Floor Area
92 m²
Street avg 147 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
7.0 t/year
Street avg 5.4 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.
Rail-style transport is unusually close for this postcode.
Crime
169/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Duffryn Avenue — bus stop.
Nearest stops
- Duffryn AvenueBus stop136m
- Nant Fawr CrescentBus stop157m
- Celyn AvenueBus stop187m
- Llandennis AveBus stop228m
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
Mid 20th centurySemi-Detached HouseEPC ENo mains gas
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£425k
1 Celyn Grove
CF23 6SH
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1 Dan Y Coed Rise
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1 Alderbrook, Cyncoed
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1 Glenwood
CF23 6UR
4 bed1 bath
£533k
1 Dan Y Coed Close
CF23 6NJ
3 bed2 bath
£534k
1 Dan Yr Heol
CF23 6JU
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£456k
1 Cefn Coed Avenue
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3 bed1 bath
£484k
1 Brynderwen Close
CF23 6BR
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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 1 Duffryn Avenue is modelled from its 92 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF23 6LE. 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. 1 sale is recorded for 1 Duffryn Avenue. 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 1 Duffryn Avenue was lodged in August 2021 at band E and is valid until August 2031. 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 1 Duffryn Avenue. 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 6LE.
- Council tax band
- 1 Duffryn Avenue is in council tax band F. 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 1 Duffryn Avenue, Cardiff, CF23 6LE. Each answer is also embedded as structured data for search engines.
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Keep exploring
- Every home in CF23 6LESold prices, values and energy ratings for the postcode
- CF 23 property marketPrices, postcodes, schools and transport across the district
- 1 Duffryn Avenue, Cardiff valuationHow the estimate is built and what moves it
- UK house price mapExplore prices by district, year by year
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