Model valuation£417,0008 Busby Close
Local market context
1 Blackweir Cottages, Cardiff Castle Grounds, Blackweir, Cardiff, CF10 3EA
Estimated value
£372,000
- Since the 2005 sale (£240,000)+55%
- Against CF10 3EA's recent median (£122,000)+205%
Newest record on this page: November 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
End terrace
Habitable rooms
7
From EPC
Floor area
115 m²
1238 sq ft
Energy rating
D
Score 65
Council tax
Band F
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
£372,000
- Against its 2005 sale (£240,000)+55%
- Against CF10 3EA's recent median (£122,000)+205%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 1 Blackweir Cottages is modelled from its 115 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF10 3EA. 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
115 m² from the EPC lodged in November 2025
Sales of this home
2 sales recorded, the latest in 2005
Recent sales in CF10 3EA
4 sales, median £122,000 (2019–1997)
This page or the full report?
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: December 2019 | 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.
1 Blackweir Cottages valuation sits well clear of the typical sold price in this postcode.
Sales timeline
16 December 2005Most recent
£240,000
+22.4%over 2 years28 February 2003
£196,000
Median price across the last 4 sales in CF10 3EA: £122,000 (2019–1997).
What this page doesn't show
1 potential issue has already been flagged for 1 Blackweir Cottages, Cardiff Castle Grounds, Blackweir, Cardiff, CF10 3EA. 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 1 Blackweir Cottages
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
1 Blackweir Cottages is an end-of-terrace house in Blackweir, Cardiff, Cardiff (CF10 3EA). It has a recorded floor area of 115 m² (around 1238 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (November 2025) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in April 2009 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Good and window efficiency went from Very Poor to Average; while lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 80).
Held since December 2005 — that's 21 years off the open market, well above the local norm. At 115 m² the property is well over the postcode median (77 m² across 3 EPCs), placing it in the larger end of the local stock. Across 2003–2005, sale prices on this property compounded at 7.5% per year. Today's modelled estimate of £372,000 sits 55% above the 2005 sale of £240,000.
Before you decide
Everything you need to know about 1 Blackweir Cottages
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)
Nov 2025
EPC Rating
A
B
C
D
D65
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
4.6 t/year
Occupancy
Rented
Certificate validity
Valid until 3 November 2035
Property Improvements
Changes detected from historical EPC data
Nov 2025from Apr 2009
EPC improved fromF38toD65
Windows
SingleFull Double
Single glazing replaced with double or better glazing
Roof Insulation
UninsulatedInsulated
Roof insulation improved
Planning history
Applications and permits filed against 1 Blackweir Cottages, Cardiff Castle Grounds, Blackweir, Cardiff, CF10 3EA, sourced from the PlanIt planning register.
1 Blackweir Cottages has no planning applications on record.
6
But the area is active
6 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Versus other Cardiff Castle Grounds homes
Four headline reads against 3 similar houses on this street, drawn from the latest EPC and Land Registry data.
1 Blackweir Cottages outperforms the street on habitable rooms by a wide margin.
EPC Rating
65 (D)
Street avg 49 (E)
Floor Area
115 m²
Street avg 109 m²
CO₂ Emissions
4.6 t/year
Street avg 4.2 t/year
Habitable Rooms
7 rooms
Street avg 5 rooms
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
485/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Colum Road — bus stop.
Nearest stops
- Colum RoadBus stop196m
- BlackweirBus stop221m
- RosemountBus stop240m
- Llantrisant StreetBus stop366m
Most reported crime locally
- Violence & Sexual Offences2,669 reports31%
- Shoplifting1,433 reports16%
- Anti-social Behaviour1,064 reports12%
- Public Order913 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-eraEnd-Terrace HouseEPC DPre-1919 build
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £955 · 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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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 1 Blackweir Cottages is modelled from its 115 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF10 3EA. 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 1 Blackweir Cottages. 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 1 Blackweir Cottages was lodged in November 2025 at band D and is valid until November 2035. 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 1 Blackweir Cottages. 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 CF10 3EA.
- Council tax band
- 1 Blackweir Cottages 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 1 Blackweir Cottages, Cardiff Castle Grounds, Blackweir, Cardiff, CF10 3EA. Each answer is also embedded as structured data for search engines.
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Keep exploring
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