Model valuation£417,0008 Busby Close
Local market context
21 Allerton Street, Cardiff, CF11 6SJ
Estimated value
£201,000
- Since the 2003 sale (£89,000)+126%
- Against CF11 6SJ's recent median (£200,000)+1%
Newest record on this page: October 2024. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
Mid terrace
Bedrooms
2
Bathroom
1
Floor area
85 m²
915 sq ft
Energy rating
D
Score 58
Council tax
Band C
Tenure
Private Rental
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
£201,000
- Against its 2003 sale (£89,000)+126%
- Against CF11 6SJ's recent median (£200,000)+1%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 21 Allerton Street is modelled from its 85 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF11 6SJ. 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
85 m² from the EPC lodged in May 2021
Sales of this home
2 sales recorded, the latest in 2003
Recent sales in CF11 6SJ
5 sales, median £200,000 (2024–2016)
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.
21 Allerton Street's modelled value sits at over four times its earliest registered sale price (2000).
Sales timeline
22 May 2003Most recent
£89,000
+89.6%over 3 years16 April 2000
£46,950
Median price across the last 5 sales in CF11 6SJ: £200,000 (2024–2016).
Nearby sales in CF11 6SJ
What this page doesn't show
1 potential issue has already been flagged for 21 Allerton Street, Cardiff, CF11 6SJ. 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 21 Allerton Street
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
21 Allerton Street is a two-bedroom mid-terrace house in Cardiff (CF11 6SJ). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (May 2021) shows a D (score 58), a step below the typical UK home. The rating has held steady at D across 2 certificates since August 2009. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Poor to Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 77).
Held since May 2003 — that's 23 years off the open market, well above the local norm. Across 2000–2003, sale prices on this property compounded at 22.9% per year. Today's modelled estimate of £201,000 sits 125.8% above the 2003 sale of £89,000.
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
- Bedrooms2
- Bathrooms1
Outside
- Private gardenYes
Before you decide
Everything you need to know about 21 Allerton Street
The true value, the hidden risks and the full sale history, in one report.
Signs of HMO activity in the area
Pick your report · from £14.99
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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.
Current Certificate(1 of 2)
May 2021
EPC Rating
A
B
C
D
D58
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
4.2 t/year
Occupancy
Rented
Certificate validity
Valid until 9 May 2031
Property Improvements
Changes detected from historical EPC data
May 2021from Aug 2009
Walls
Very PoorPoor
Wall insulation improved
Low Energy Lighting
20%67%
More low energy lighting installed
Planning history
Applications and permits filed against 21 Allerton Street, Cardiff, CF11 6SJ, sourced from the PlanIt planning register.
21 Allerton Street has no planning applications on record.
10
But the area is active
10 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Versus other Allerton Street homes
Four headline reads against 12 similar houses on this street, drawn from the latest EPC and Land Registry data.
On epc rating, 21 Allerton Street runs well behind the street norm.
Price per m²
£1,047
Street avg £1,398
Floor Area
85 m²
Street avg 88 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
4.2 t/year
Street avg 3.5 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
Clare Road — bus stop.
Nearest stops
- Clare RoadBus stop63m
- Clare RoadBus stop79m
- Hereford StreetBus stop205m
- Tudor Street LaneBus stop294m
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 buildExtended multiple times (2+ extensions)
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
Property research, connected
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Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.
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 21 Allerton Street is modelled from its 85 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF11 6SJ. 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 21 Allerton 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 21 Allerton Street was lodged in May 2021 at band D and is valid until May 2031. 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 21 Allerton 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 6SJ.
- Council tax band
- 21 Allerton Street 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 21 Allerton Street, Cardiff, CF11 6SJ. Each answer is also embedded as structured data for search engines.
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Keep exploring
- Every home in CF11 6SJSold prices, values and energy ratings for the postcode
- CF 11 property marketPrices, postcodes, schools and transport across the district
- 21 Allerton Street, 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