Model valuation£417,0008 Busby Close
Local market context
23 Allen Close, Old St Mellons, Cardiff, CF3 5DH
2 planning records
Estimated value
£437,000
- Since the 2012 sale (£281,500)+55%
- Against CF3 5DH's recent median (£258,000)+69%
Newest record on this page: June 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
Detached
Bedrooms
4
Floor area
117 m²
1257 sq ft
Energy rating
D
Score 66
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
£437,000
- Against its 2012 sale (£281,500)+55%
- Against CF3 5DH's recent median (£258,000)+69%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 23 Allen Close is modelled from its 117 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF3 5DH. 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
117 m² from the EPC lodged in January 2012
Sales of this home
2 sales recorded, the latest in 2012
Recent sales in CF3 5DH
5 sales, median £258,000 (2025–2020)
This page or the full report?
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: June 2025 | Latest available records, read when you order |
| Valuation | Estimate from the last refresh | Analysed against comparable sales |
| Planning | 1 of 2 applications | 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 at least doubled since 1997.
Sales timeline
4 April 2012Most recent
£281,500
+134.6%over 14 years28 November 1997
£120,000
Median price across the last 5 sales in CF3 5DH: £258,000 (2025–2020).
Nearby sales in CF3 5DH
31 Allen Close, Old St Mellons, Cardiff, CF3 5DH
Sold Jun 2025
£418,5003 Allen Close, Old St Mellons, Cardiff, CF3 5DH
Sold Aug 2024
£480,00020 Allen Close, Old St Mellons, Cardiff, CF3 5DH
Sold Apr 2024
£195,00038 Allen Close, Old St Mellons, Cardiff, CF3 5DH
Sold Apr 2022
£258,00037 Allen Close, Old St Mellons, Cardiff, CF3 5DH
Sold Dec 2020
£248,000
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
One time fee only - money back guarantee
About 23 Allen Close
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
23 Allen Close is a four-bedroom detached house in Old St. Mellons, Cardiff, Cardiff (CF3 5DH). It has a recorded floor area of 117 m² (around 1257 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (January 2012) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 71). The latest certificate is from January 2012, so improvements made since then won't be reflected.
Across 1997–2012, sale prices on this property compounded at 6.1% per year. Today's modelled estimate of £437,000 sits 55.2% above the 2012 sale of £281,500. On a £-per-square-foot basis, the last sale (£224/sq ft) was about 59.7% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. At 117 m² it's 29.8% larger than the typical home in the postcode (90 m² median across 24 EPCs). 14 years since the last transfer (April 2012).
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
Before you decide
Everything you need to know about 23 Allen Close
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
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.
23 Allen Close's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 23 Jan 2022
Current Certificate
Jan 2012EPC Rating
A
B
C
D
D66
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
Expired on 23 January 2022
Planning history
Applications and permits filed against 23 Allen Close, Old St Mellons, Cardiff, CF3 5DH, sourced from the PlanIt planning register.
23 Allen Close has an approved single-storey extension on the planning record.
2 applications on record at 23 Allen Close, Old St Mellons, Cardiff, CF3 5DH
2decisions2extensions13documents
- Mar 2015ExtensionFullOutcome in report
Extension: Single storey
EXTENSION TO FIRST FLOOR ABOVE GARAGE TO FORM ADDITIONAL FLOOR AREA TO BEDROOM.
- Documents
- 6 docs on file
- Reference
- 15/00396/DCH
- More recent applications — locked
- ConservatoryMay 2023Decision
Unlock 23 Allen Close, Old St Mellons, Cardiff, CF3 5DH's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full
- The 13 documents, officer reports & conditions
- What the pattern means for extending or converting here
£14.99one-off · instant
One time fee only - money back guarantee
Versus other Allen Close homes
Four headline reads against 24 similar houses on this street, drawn from the latest EPC and Land Registry data.
23 Allen Close outperforms the street on habitable rooms by a wide margin.
Price per m²
£2,410
Street avg £2,316
Floor Area
117 m²
Street avg 99 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
5.0 t/year
Street avg 3.6 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
242/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Llaneirwg Way — bus stop.
Nearest stops
- Llaneirwg WayBus stop176m
- Vaindre LaneBus stop360m
- Wern Fawr LaneBus stop377m
- Tyrwinch RoadBus stop407m
Most reported crime locally
- Violence & Sexual Offences1,550 reports36%
- Anti-social Behaviour627 reports14%
- Public Order468 reports11%
- Criminal Damage & Arson424 reports10%
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 2 HomeBuyer Report
Late 20th centuryDetached HouseEPC D
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
From £695 · Includes VAT
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£538k
1 Courtenay Close, Old St Mellons
CF3 5UL
4 bed2 bath
£443k
1 Chapel Row Lane, Old St Mellons
CF3 5ST
3 bed
£472k
1 Clos Hendre Gadno, Old St Mellons
CF3 5UJ
5 bed3 bath
£269k
1 Axbridge Crescent, Llanrumney
CF3 5TJ
3 bed
£264k
1 Brendon Close, Llanrumney
CF3 5RJ
3 bed1 bath
£200k
1 Bronte Close, Llanrumney
CF3 5PN
3 bed
£197k
1 Banwell Place, Llanrumney
CF3 5SH
3 bed
£150k
1 Bluebell Drive
CF3 5RA
3 bed
Property research, connected
Get up to date data on unlimited properties per month
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 23 Allen Close is modelled from its 117 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF3 5DH. 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 23 Allen Close. 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 23 Allen Close was lodged in January 2012 at band D and expired in January 2022, so a new one is needed to sell or let. Floor area, heating and insulation details on this page come from it.
- Planning records
- Planning applications are collected from local authority registers through PlanIt. 2 applications are matched to 23 Allen Close. 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 CF3 5DH.
- Council tax band
- 23 Allen Close 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 23 Allen Close, Old St Mellons, Cardiff, CF3 5DH. Each answer is also embedded as structured data for search engines.
Know this home? Think our valuation is wrong?
Leave a note for other visitors about work done or anything the records miss, and say what you think it's worth. It takes about two minutes.
Keep exploring
- Every home in CF3 5DHSold prices, values and energy ratings for the postcode
- CF 3 property marketPrices, postcodes, schools and transport across the district
- 23 Allen Close, Old St Mellons, Cardiff valuationHow the estimate is built and what moves it
- UK house price mapExplore prices by district, year by year
- Report on another addressLook up any home in England and Wales