Model valuation£417,0008 Busby Close
Local market context
6 Crystal Avenue, Cardiff, CF23 5QJ
3 sales on record
Estimated value
£378,000
- Since the 2015 sale (£259,500)+46%
- Against CF23 5QJ's recent median (£345,000)+10%
Newest record on this page: February 2026. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
Detached
Bedrooms
3
Bathroom
1
Floor area
71 m²
764 sq ft
Energy rating
D
Score 63
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
£378,000
- Against its 2015 sale (£259,500)+46%
- Against CF23 5QJ's recent median (£345,000)+10%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 6 Crystal Avenue is modelled from its 71 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in CF23 5QJ. 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
71 m² from the EPC lodged in February 2026
Sales of this home
3 sales recorded, the latest in 2015
Recent sales in CF23 5QJ
5 sales, median £345,000 (2024–2018)
This page or the full report?
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: October 2024 | Latest available records, read when you order |
| Valuation | Estimate from the last refresh | Analysed against comparable sales |
| Planning | None on this home | 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 Crystal Avenue has more than tripled in price since its earliest registered sale in 1998.
Sales timeline
16 July 2015Most recent
£259,500
+52.6%over 3 years8 November 2011
£170,000
+131.3%over 13 years8 October 1998
£73,500
Median price across the last 5 sales in CF23 5QJ: £345,000 (2024–2018).
Nearby sales in CF23 5QJ
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 6 Crystal Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
6 Crystal Avenue is a three-bedroom detached house in Cardiff (CF23 5QJ). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (February 2026) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2010. Between certificates, wall efficiency dropped from Good to Poor and window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 76). This certificate was lodged in the last six months, so the rating reflects current condition.
Across 1998–2015, sale prices on this property compounded at 7.8% per year. Today's modelled estimate of £378,000 is 45.7% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£340/sq ft) was about 37% above the typical sold price in the postcode. Last sold in July 2015, so it's been off the market for around 11 years. At 71 m² it's 27.6% smaller than the typical home in the postcode (98 m² median across 11 EPCs).
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
Outside
- Private gardenRear
- DrivewayYes
Before you decide
Everything you need to know about 6 Crystal 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.
The EPC has just been inspected, so the rating reflects current condition.
Current Certificate(1 of 2)
Feb 2026
EPC Rating
A
B
C
D
D63
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
3.1 t/year
Occupancy
Owner Occupied
Certificate validity
Valid until 26 February 2036
Property Improvements
Changes detected from historical EPC data
Feb 2026from Jun 2010
Heating Controls
Prog + TRVsFull
Heating controls upgraded for better temperature management
Low Energy Lighting
56%100%
More low energy lighting installed
Planning history
Applications and permits filed against 6 Crystal Avenue, Cardiff, CF23 5QJ, sourced from the PlanIt planning register.
6 Crystal Avenue has no planning applications on record.
1
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Versus other Crystal Avenue homes
Four headline reads against 11 similar houses on this street, drawn from the latest EPC and Land Registry data.
6 Crystal Avenue is notably below the street on habitable rooms.
Price per m²
£3,655
Street avg £2,939
Floor Area
71 m²
Street avg 104 m²
Habitable Rooms
3 rooms
Street avg 6 rooms
CO₂ Emissions
3.1 t/year
Street avg 4.6 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.
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
Heath High Level Rail Station — railway station.
Nearest stops
- Heath High Level Rail StationRailway station58m
- Heath High Level Rail StationRailway station70m
- Heath Park AveBus stop71m
- Heath Low Level Rail StationRailway station92m
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.
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Early 20th centuryDetached BungalowEPC 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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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 Crystal Avenue is modelled from its 71 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in CF23 5QJ. 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 Crystal 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 6 Crystal Avenue was lodged in February 2026 at band D and is valid until February 2036. 2 certificates are on record, which shows how the home has changed.
- Planning records
- Planning applications are collected from local authority registers through PlanIt. None is matched to 6 Crystal 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 5QJ.
- Council tax band
- 6 Crystal 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 6 Crystal Avenue, Cardiff, CF23 5QJ. Each answer is also embedded as structured data for search engines.
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Keep exploring
- Every home in CF23 5QJSold prices, values and energy ratings for the postcode
- CF 23 property marketPrices, postcodes, schools and transport across the district
- 6 Crystal Avenue, 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