Model valuation£417,0008 Busby Close
Local market context
21 Maes Y Ffynnon, Bonvilston, Cardiff, CF5 6TT
4 sales on record1 planning record
Estimated value
£317,000
- Since the 2010 sale (£195,000)+63%
- Against CF5 6TT's recent median (£335,000)-5%
Newest record on this page: July 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
Mid terrace
Bedrooms
3
Floor area
104 m²
1116 sq ft
Energy rating
D
Score 64
Council tax
Band E
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
£317,000
- Against its 2010 sale (£195,000)+63%
- Against CF5 6TT's recent median (£335,000)-5%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 21 Maes Y Ffynnon is modelled from its 104 m² EPC floor area, its 4 recorded sales and recent sales of comparable homes in CF5 6TT. 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
104 m² from the EPC lodged in October 2010
Sales of this home
4 sales recorded, the latest in 2010
Recent sales in CF5 6TT
5 sales, median £335,000 (2025–2023)
This page or the full report?
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: July 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.
21 Maes Y Ffynnon has more than doubled in price since the earliest registered sale in 1999.
Sales timeline
19 November 2010Most recent
£195,000
+14.7%over 3 years13 September 2007
£170,000
+9.0%18 June 2007
£156,000
+95.0%over 7 years28 October 1999
£80,000
Median price across the last 5 sales in CF5 6TT: £335,000 (2025–2023).
Nearby sales in CF5 6TT
5 Maes Y Ffynnon, Bonvilston, Cardiff, CF5 6TT
Sold Jul 2025
£335,0001 Maes Y Ffynnon, Bonvilston, Cardiff, CF5 6TT
Sold Sept 2024
£350,00019 Maes Y Ffynnon, Bonvilston, Cardiff, CF5 6TT
Sold Jul 2024
£260,00010 Maes Y Ffynnon, Bonvilston, Cardiff, CF5 6TT
Sold Jul 2024
£320,00011 Maes Y Ffynnon, Bonvilston, Cardiff, CF5 6TT
Sold Aug 2023
£405,000
What this page doesn't show
1 potential issue has already been flagged for 21 Maes Y Ffynnon, Bonvilston, Cardiff, CF5 6TT. The detail, evidence and what to ask about it are in the Risks Report.
- Larger development activity nearbyIn 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 21 Maes Y Ffynnon
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
21 Maes Y Ffynnon is a three-bedroom mid-terrace house in Bonvilston, Cardiff, Cardiff (CF5 6TT). It has a recorded floor area of 104 m² (around 1116 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (October 2010) shows a D (score 64), on the cusp of jumping into the C band. Earlier certificates rated it C (November 2008); the latest reading is one band lower. The recommended improvements would push it to C (score 69). The latest certificate is from October 2010, so improvements made since then won't be reflected.
It hasn't traded since November 2010, a hold of 16 years that's notably long for the area. Across the public record there are 4 sales, relatively high churn for a single property. Across 1999–2010, sale prices on this property compounded at 8.4% per year. Today's modelled estimate of £317,000 sits 62.6% above the 2010 sale of £195,000. On a £-per-square-foot basis, the last sale (£175/sq ft) was about 19.7% below the postcode norm. One planning record on file: an extension approved in 2011. Past consents include an extension, meaningful when judging how the property has evolved.
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
- Bedrooms3
Before you decide
Everything you need to know about 21 Maes Y Ffynnon
The true value, the hidden risks and the full sale history, in one report.
Larger development activity nearby
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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.
21 Maes Y Ffynnon'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 14 Oct 2020
Current Certificate(1 of 3)
Oct 2010
EPC Rating
A
B
C
D
D64
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Very Good
Windows
Average
CO2 Emissions
4.2 t/year
Occupancy
Owner Occupied
Certificate validity
Expired on 14 October 2020
Planning history
Applications and permits filed against 21 Maes Y Ffynnon, Bonvilston, Cardiff, CF5 6TT, sourced from the PlanIt planning register.
21 Maes Y Ffynnon has an approved single-storey rear extension on the planning record.
1 application on record at 21 Maes Y Ffynnon, Bonvilston, Cardiff, CF5 6TT
1decisions1extensions6documents1nearby
- May 2011ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Single storey rear extension
- Documents
- 6 docs on file
- Reference
- 2011/00260/FUL
Unlock 21 Maes Y Ffynnon, Bonvilston, Cardiff, CF5 6TT'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 6 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Versus other Maes Y Ffynnon homes
Four headline reads against 13 similar houses on this street, drawn from the latest EPC and Land Registry data.
Years Held for 21 Maes Y Ffynnon runs comfortably ahead of the street norm.
Price per m²
£1,880
Street avg £2,850
Floor Area
104 m²
Street avg 102 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.2 t/year
Street avg 4.3 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
426/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Maes-y-Ffynon — bus stop.
Nearest stops
- Maes-y-FfynonBus stop124m
- The Old ForgeBus stop189m
- BonvilstonBus stop295m
- Sycamore CrossBus stop541m
Most reported crime locally
- Violence & Sexual Offences2,365 reports35%
- Anti-social Behaviour878 reports13%
- Public Order758 reports11%
- Shoplifting679 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
Early 20th centuryMid-Terrace HouseEPC D
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Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£385k
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1 Chestnut Cottages, Croft Y Genau Road, St Fagans
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1 Caer Ceffyl, St Fagans
CF5 6HT
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1 Church Rise, Wenvoe
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4 bed2 bath
£730k
1 Broadway Green, St Nicholas
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4 bed
£737k
1 Campbell Court, St Nicholas
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4 bed3 bath
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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 21 Maes Y Ffynnon is modelled from its 104 m² EPC floor area, its 4 recorded sales and recent sales of comparable homes in CF5 6TT. 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. 4 sales are recorded for 21 Maes Y Ffynnon. 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 21 Maes Y Ffynnon was lodged in October 2010 at band D and expired in October 2020, so a new one is needed to sell or let. 3 certificates are on record, which shows how the home has changed.
- Planning records
- Planning applications are collected from local authority registers through PlanIt. 1 application is matched to 21 Maes Y Ffynnon. 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 16 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF5 6TT.
- Council tax band
- 21 Maes Y Ffynnon is in council tax band E. 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 21 Maes Y Ffynnon, Bonvilston, Cardiff, CF5 6TT. Each answer is also embedded as structured data for search engines.
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- Every home in CF5 6TTSold prices, values and energy ratings for the postcode
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- 21 Maes Y Ffynnon, Bonvilston, Cardiff valuationHow the estimate is built and what moves it
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