Model valuation£417,0008 Busby Close
Local market context
20 Heol Y Dderwen, Nantgarw, Cardiff, CF15 7UJ
2 planning records
Estimated value
£229,000
- Since the 2016 sale (£147,500)+55%
- Against CF15 7UJ's recent median (£150,000)+53%
Newest record on this page: February 2024. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
Semi-detached
Bedrooms
3
Bathroom
1
Floor area
88 m²
947 sq ft
Energy rating
D
Score 63
Council tax
Band C
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
£229,000
- Against its 2016 sale (£147,500)+55%
- Against CF15 7UJ's recent median (£150,000)+53%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 20 Heol Y Dderwen is modelled from its 88 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF15 7UJ. 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
88 m² from the EPC lodged in September 2012
Sales of this home
2 sales recorded, the latest in 2016
Recent sales in CF15 7UJ
5 sales, median £150,000 (2023–2015)
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 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.
20 Heol Y Dderwen valuation sits well clear of the typical sold price in this postcode.
Sales timeline
31 March 2016Most recent
£147,500
+21.9%over 11 years18 March 2005
£121,000
Median price across the last 5 sales in CF15 7UJ: £150,000 (2023–2015).
Nearby sales in CF15 7UJ
4 Heol Y Dderwen, Nantgarw, Cardiff, CF15 7UJ
Sold Jul 2023
£127,0005 Heol Y Dderwen, Nantgarw, Cardiff, CF15 7UJ
Sold Feb 2022
£168,00027 Heol Y Dderwen, Nantgarw, Cardiff, CF15 7UJ
Sold Aug 2016
£155,00019 Heol Y Dderwen, Nantgarw, Cardiff, CF15 7UJ
Sold Mar 2015
£150,0008 Heol Y Dderwen, Nantgarw, Cardiff, CF15 7UJ
Sold Apr 2011
£140,000
What this page doesn't show
1 potential issue has already been flagged for 20 Heol Y Dderwen, Nantgarw, Cardiff, CF15 7UJ. The detail, evidence and what to ask about it are in the Risks Report.
- A planning decision worth checkingIn 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 20 Heol Y Dderwen
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
20 Heol Y Dderwen is a three-bedroom semi-detached house in Nantgarw, Cardiff, Cardiff (CF15 7UJ). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (September 2012) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 83), a 2-band jump. The latest certificate is from September 2012, so improvements made since then won't be reflected.
Across 2005–2016, sale prices on this property compounded at 1.8% per year. Today's modelled estimate of £229,000 sits 55.3% above the 2016 sale of £147,500. On a £-per-square-foot basis, the last sale (£156/sq ft) was about 17.5% above the typical sold price in the postcode. 10 years since the last transfer (March 2016). 2 planning records sit against the property, 0 approved, 2 refused.
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
- Bathrooms1
Before you decide
Everything you need to know about 20 Heol Y Dderwen
The true value, the hidden risks and the full sale history, in one report.
A planning decision worth checking
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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.
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 05 Sept 2022
Current Certificate
Sept 2012EPC Rating
A
B
C
D
D63
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
3.7 t/year
Occupancy
Owner Occupied
Certificate validity
Expired on 5 September 2022
Planning history
Applications and permits filed against 20 Heol Y Dderwen, Nantgarw, Cardiff, CF15 7UJ, sourced from the PlanIt planning register.
A recent planning application at 20 Heol Y Dderwen was refused — worth checking the council file.
2 applications on record at 20 Heol Y Dderwen, Nantgarw, Cardiff, CF15 7UJ
2decisions12documents1nearby
Flagged:Retrospective
- Feb 2024RenovationFullOutcome in report
Proposed fencing to front garden and parking for one car (retrospective).
Retrospective- Documents
- 6 docs on file
- Reference
- 23/1412/10
- More recent applications — locked
- RenovationFeb 2024Decision
Unlock 20 Heol Y Dderwen, Nantgarw, Cardiff, CF15 7UJ'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, plus 1 notable nearby
- The 12 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Versus other Heol Y Dderwen homes
Four headline reads against 17 similar houses on this street, drawn from the latest EPC and Land Registry data.
Floor Area for 20 Heol Y Dderwen lags the street by a wide margin.
Price per m²
£1,676
Street avg £1,504
Floor Area
88 m²
Street avg 93 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.7 t/year
Street avg 3.8 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
85/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Heol-y-Dderwen — bus stop.
Nearest stops
- Heol-y-DderwenBus stop32m
- TawelfrynBus stop157m
- Heol EdwardsBus stop186m
- Parc-y-nantBus stop195m
Most reported crime locally
- Violence & Sexual Offences366 reports33%
- Anti-social Behaviour150 reports14%
- Public Order141 reports13%
- Shoplifting104 reports9%
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
Mid 20th centurySemi-Detached 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.
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1 Castle Street, Taffs Well
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1 Castell Coch View, Tongwynlais
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1 Beechwood Road, Taffs Well
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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 20 Heol Y Dderwen is modelled from its 88 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF15 7UJ. 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 Heol Y Dderwen. 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 Heol Y Dderwen was lodged in September 2012 at band D and expired in September 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 20 Heol Y Dderwen. 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 13 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF15 7UJ.
- Council tax band
- 20 Heol Y Dderwen is in council tax band C. 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 Heol Y Dderwen, Nantgarw, Cardiff, CF15 7UJ. Each answer is also embedded as structured data for search engines.
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- Every home in CF15 7UJSold prices, values and energy ratings for the postcode
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