Model valuation£417,0008 Busby Close
Local market context
6 Berthwin Street, Cardiff, CF11 9JH
3 sales on record3 planning records
Estimated value
£690,000
- Since the 2017 sale (£546,000)+26%
- Against CF11 9JH's recent median (£540,000)+28%
Newest record on this page: March 2026. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
Mid terrace
Bedrooms
4
Bathroom
1
Floor area
150 m²
1615 sq ft
Energy rating
D
Score 55
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
£690,000
- Against its 2017 sale (£546,000)+26%
- Against CF11 9JH's recent median (£540,000)+28%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 6 Berthwin Street is modelled from its 150 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in CF11 9JH. 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
150 m² from the EPC lodged in February 2017
Sales of this home
3 sales recorded, the latest in 2017
Recent sales in CF11 9JH
5 sales, median £540,000 (2024–2018)
This page or the full report?
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: April 2024 | Latest available records, read when you order |
| Valuation | Estimate from the last refresh | Analysed against comparable sales |
| Planning | 1 of 3 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.
6 Berthwin Street has more than quadrupled in price since its earliest registered sale in 1999.
Sales timeline
12 April 2017Most recent
£546,000
+41.8%over 10 years28 September 2006
£385,000
+755.6%over 6 years17 December 1999
£45,000
Median price across the last 5 sales in CF11 9JH: £540,000 (2024–2018).
Nearby sales in CF11 9JH
What this page doesn't show
1 potential issue has already been flagged for 6 Berthwin Street, Cardiff, CF11 9JH. The detail, evidence and what to ask about it are in the Risks Report.
- Signs of HMO activity in the areaIn 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 6 Berthwin Street
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
6 Berthwin Street is a four-bedroom mid-terrace house in Cardiff (CF11 9JH). It has a recorded floor area of 150 m² (around 1615 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (February 2017) shows a D (score 55), a step below the typical UK home. When first surveyed in March 2010 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Average to Good and main heating went from Average to Good; while lighting dropped from Average to Very Poor. The recommended improvements would push it to C (score 73). Period features are noted in the property record.
3 planning records sit against the property, 2 approved, 0 refused, 1 pending. Past consents include an extension, meaningful when judging how the property has evolved. An active application for an extension is awaiting a decision. Across 1999–2017, sale prices on this property compounded at 15.5% per year. Today's modelled estimate of £690,000 is 26.4% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£338/sq ft) was about 59.3% above the typical sold price in the postcode. Last sold in April 2017, so it's been off the market for around 9 years.
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
- Bathrooms1
- Open-plan layoutYes
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenYes
Building
- Period featuresYes
Before you decide
Everything you need to know about 6 Berthwin Street
The true value, the hidden risks and the full sale history, in one report.
Signs of HMO activity in the area
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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.
6 Berthwin Street's carbon output runs well above what efficient homes in the postcode produce.
Current Certificate(1 of 2)
Feb 2017
EPC Rating
A
B
C
D
D55
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
7.1 t/year
Occupancy
Owner Occupied
Certificate validity
Valid until 1 February 2027
Property Improvements
Changes detected from historical EPC data
Feb 2017from Mar 2010
EPC improved fromF26toD55
Heating Controls
Prog + TRVsFull
Heating controls upgraded for better temperature management
Hot Water
AverageGood
Hot water efficiency improved
Low Energy Lighting
40%0%
Low energy lighting percentage decreased
Planning history
Applications and permits filed against 6 Berthwin Street, Cardiff, CF11 9JH, sourced from the PlanIt planning register.
An application for a single-storey extension is currently awaiting a decision.
3 applications on record at 6 Berthwin Street, Cardiff, CF11 9JH
1 live now2decisions2extensions23documents4nearby
- Oct 2018RenovationFullOutcome in report
TO REPLACE 2 WINDOWS AT THE BACK OF THE HOUSE
- Documents
- 8 docs on file
- Reference
- 18/01438/DCH
- More recent applications — locked
- ExtensionMar 2026Decision
- ExtensionMar 2020Decision
Unlock 6 Berthwin Street, Cardiff, CF11 9JH'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 3 applications on this property in full, plus 4 notable nearby
- The 23 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Versus other Berthwin Street homes
Four headline reads against 10 similar houses on this street, drawn from the latest EPC and Land Registry data.
On habitable rooms, 6 Berthwin Street stands well clear of the street.
Price per m²
£3,640
Street avg £3,063
Floor Area
150 m²
Street avg 152 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
7.1 t/year
Street avg 7.0 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
362/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Berthwin Street — bus stop.
Nearest stops
- Berthwin StreetBus stop88m
- Halfway HotelBus stop354m
- Beverley HotelBus stop416m
- Llandaff FieldsBus stop436m
Most reported crime locally
- Violence & Sexual Offences1,545 reports28%
- Vehicle Crime640 reports12%
- Anti-social Behaviour624 reports11%
- Public Order547 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 3 Building Survey
Victorian-eraMid-Terrace HouseEPC DPre-1919 build
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £1,155 · 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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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 6 Berthwin Street is modelled from its 150 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in CF11 9JH. 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. 3 sales are recorded for 6 Berthwin Street. 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 6 Berthwin Street was lodged in February 2017 at band D and is valid until February 2027. 2 certificates are on record, which shows how the home has changed.
- Planning records
- Planning applications are collected from local authority registers through PlanIt. 3 applications are matched to 6 Berthwin Street. 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 15 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF11 9JH.
- Council tax band
- 6 Berthwin Street 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 6 Berthwin Street, Cardiff, CF11 9JH. Each answer is also embedded as structured data for search engines.
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Keep exploring
- Every home in CF11 9JHSold prices, values and energy ratings for the postcode
- CF 11 property marketPrices, postcodes, schools and transport across the district
- 6 Berthwin Street, Cardiff valuationHow the estimate is built and what moves it
- UK house price mapExplore prices by district, year by year
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