Model valuation£417,0008 Busby Close
Local market context
40 Butleigh Avenue, Cardiff, CF5 1BZ
1 planning record
Estimated value
£451,000
- Since the 2014 sale (£304,000)+48%
- Against CF5 1BZ's recent median (£400,000)+13%
Newest record on this page: August 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
Semi-detached
Bedrooms
3
Floor area
99 m²
1066 sq ft
Energy rating
E
Score 48
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
£451,000
- Against its 2014 sale (£304,000)+48%
- Against CF5 1BZ's recent median (£400,000)+13%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 40 Butleigh Avenue is modelled from its 99 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF5 1BZ. 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
99 m² from the EPC lodged in July 2013
Sales of this home
2 sales recorded, the latest in 2014
Recent sales in CF5 1BZ
5 sales, median £400,000 (2025–2017)
This page or the full report?
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: August 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.
40 Butleigh Avenue valuation sits well clear of the typical sold price in this postcode.
Sales timeline
21 August 2014Most recent
£304,000
+27.5%over 10 years30 January 2004
£238,500
Median price across the last 5 sales in CF5 1BZ: £400,000 (2025–2017).
Nearby sales in CF5 1BZ
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 40 Butleigh Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
40 Butleigh Avenue is a three-bedroom semi-detached house in Cardiff (CF5 1BZ). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (July 2013) shows an E (score 48), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since August 2012. Between certificates, roof efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 85), a 3-band jump. The latest certificate is from July 2013, so improvements made since then won't be reflected. Other recorded features include a conservatory. Period features are noted in the property record.
One planning record on file: a loft conversion approved in 2017. Past consents include a loft conversion, meaningful when judging how the property has evolved. Across 2004–2014, sale prices on this property compounded at 2.3% per year. Today's modelled estimate of £451,000 is 48.4% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£285/sq ft) was about 57.6% above the typical sold price in the postcode. Last changed hands 12 years ago, in August 2014.
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
- Dining roomYes
- ConservatoryYes
Outside
- Private gardenYes
- ParkingYes
Building
- Period featuresYes
- RefurbishedYes
Before you decide
Everything you need to know about 40 Butleigh 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.
40 Butleigh Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 31 Jul 2023
Current Certificate(1 of 2)
Jul 2013
EPC Rating
A
B
C
D
E
E48
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Poor
Windows
Average
CO2 Emissions
6.0 t/year
Occupancy
Owner Occupied
Certificate validity
Expired on 31 July 2023
Property Improvements
Changes detected from historical EPC data
Jul 2013from Aug 2012
Windows
Mostly DoubleFull Double
Windows upgraded, improving insulation
Planning history
Applications and permits filed against 40 Butleigh Avenue, Cardiff, CF5 1BZ, sourced from the PlanIt planning register.
1 application on record at 40 Butleigh Avenue, Cardiff, CF5 1BZ
1decisions1extensions14documents2nearby
- Apr 2017Loft ConversionFullOutcome in report
TO CONVERT THE LOFT SPACE INTO A BEDROOM WITH EN-SUITE. WORKS INCLUDE EXTENDING THE ROOF TO A GABLE WALL AT THE SIDE AND ADDING A FLAT ROOF DORMER TO THE REAR.
- Documents
- 14 docs on file
- Reference
- 17/00571/DCH
Unlock 40 Butleigh Avenue, Cardiff, CF5 1BZ'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 2 notable nearby
- The 14 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Versus other Butleigh Avenue homes
Four headline reads against 8 similar houses on this street, drawn from the latest EPC and Land Registry data.
EPC Rating for 40 Butleigh Avenue lags the street by a wide margin.
Price per m²
£3,071
Street avg £3,518
Floor Area
99 m²
Street avg 107 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
6.0 t/year
Street avg 4.9 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
426/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
The Insole — bus stop.
Nearest stops
- The InsoleBus stop230m
- Insole ShopsBus stop298m
- Windway RoadBus stop305m
- Pencisely RoadBus stop360m
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.
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Early 20th centurySemi-Detached HouseEPC E
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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.
£498k
1 Butleigh Avenue
CF5 1BX
3 bed1 bath
£408k
1 Bernard Avenue, Canton
CF5 1BT
3 bed1 bath
£401k
1 Burlington Terrace
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3 bed1 bath
£388k
1 Birchfield Crescent
CF5 1AE
3 bed1 bath
£361k
1 Cumberland Street
CF5 1LT
3 bed1 bath
£359k
1 Egerton Mews, Egerton Street
CF5 1RF
3 bed2 bath
£348k
1 Egerton Street
CF5 1RF
3 bed2 bath
£328k
1 Conybeare Road
CF5 1GB
3 bed1 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 40 Butleigh Avenue is modelled from its 99 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF5 1BZ. 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 40 Butleigh 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 40 Butleigh Avenue was lodged in July 2013 at band E and expired in July 2023, so a new one is needed to sell or let. 2 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 40 Butleigh 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 16 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF5 1BZ.
- Council tax band
- 40 Butleigh 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 40 Butleigh Avenue, Cardiff, CF5 1BZ. Each answer is also embedded as structured data for search engines.
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- Every home in CF5 1BZSold prices, values and energy ratings for the postcode
- CF 5 property marketPrices, postcodes, schools and transport across the district
- 40 Butleigh Avenue, Cardiff valuationHow the estimate is built and what moves it
- UK house price mapExplore prices by district, year by year
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