Model valuation£417,0008 Busby Close
Local market context
21 Blackweir Terrace, Cardiff, CF10 3EQ
3 sales on record3 planning records
Estimated value
£399,000
- Since the 2015 sale (£270,000)+48%
- Against CF10 3EQ's recent median (£314,000)+27%
Newest record on this page: June 2024. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
Mid terrace
Habitable rooms
6
From EPC
Floor area
96 m²
1033 sq ft
Energy rating
C
Score 71
Council tax
Band D
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
£399,000
- Against its 2015 sale (£270,000)+48%
- Against CF10 3EQ's recent median (£314,000)+27%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 21 Blackweir Terrace is modelled from its 96 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in CF10 3EQ. 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
96 m² from the EPC lodged in June 2024
Sales of this home
3 sales recorded, the latest in 2015
Recent sales in CF10 3EQ
5 sales, median £314,000 (2024–2022)
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.
21 Blackweir Terrace has more than quadrupled in price since its earliest registered sale in 1999.
Sales timeline
26 January 2015Most recent
£270,000
+126.0%over 10 months20 March 2014
£119,450
+99.1%over 14 years13 September 1999
£60,000
Median price across the last 5 sales in CF10 3EQ: £314,000 (2024–2022).
Nearby sales in CF10 3EQ
33 Blackweir Terrace, Cardiff, CF10 3EQ
Sold Apr 2024
£360,00045 Blackweir Terrace, Cardiff, CF10 3EQ
Sold Feb 2023
£290,00015 Blackweir Terrace, Cardiff, CF10 3EQ
Sold Oct 2022
£445,00041 Blackweir Terrace, Cardiff, CF10 3EQ
Sold May 2022
£230,55257 Blackweir Terrace, Cardiff, CF10 3EQ
Sold Jan 2022
£314,000
What this page doesn't show
2 potential issues have already been flagged for 21 Blackweir Terrace, Cardiff, CF10 3EQ. The detail, evidence and what to ask about it are in the Risks Report.
- Signs of HMO activity in the areaIn report
- Recent ownership pattern worth a lookIn 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 Blackweir Terrace
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
21 Blackweir Terrace is a mid-terrace house in Cardiff (CF10 3EQ). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (June 2024) shows a C (score 71). When first surveyed in October 2013 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor and window efficiency went from Very Poor to Average. The recommended improvements would push it to B (score 82).
3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 96 m² it's 20% larger than the typical home in the postcode (80 m² median across 34 EPCs). Across 1999–2015, sale prices on this property compounded at 10.3% per year. Today's modelled estimate of £399,000 is 47.8% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£261/sq ft) was about 83.3% above the typical sold price in the postcode. On the market in January 2015 and unlisted since — roughly 12 years.
Before you decide
Everything you need to know about 21 Blackweir Terrace
The true value, the hidden risks and the full sale history, in one report.
Signs of HMO activity in the areaRecent ownership pattern worth a look
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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 3)
Jun 2024
EPC Rating
A
B
C
C71
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.0 t/year
Occupancy
Rented
Certificate validity
Valid until 21 June 2034
Property Improvements
Changes detected from historical EPC data
May 2014from Oct 2013
EPC improved fromE50toC72
Heating Controls
Prog + StatProg + TRVs
Heating controls changed
Windows
SingleFull Double
Single glazing replaced with double or better glazing
Roof Insulation
UninsulatedWell Insulated
Loft insulation installed or upgraded to 250mm+
Jun 2024from May 2014
Heating Controls
Prog + TRVsFull
Heating controls upgraded for better temperature management
Walls
Very PoorPoor
Wall insulation improved
Planning history
Applications and permits filed against 21 Blackweir Terrace, Cardiff, CF10 3EQ, sourced from the PlanIt planning register.
3 applications on record at 21 Blackweir Terrace, Cardiff, CF10 3EQ
3decisions2extensions34documents6nearby
- Apr 2014ExtensionOutlineOutcome in report
Extension: Rear of property
LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT TO A SINGLE STOREY REAR EXTENSION, REAR DORMER ROOF EXTENSION AND THE CONVERSION OF THE ROOFSPACE INTO LIVING ACCOMMODATION.
- Documents
- 12 docs on file
- Reference
- 14/00604/DCH
- More recent applications — locked
- ExtensionMay 2019Decision
- FullMay 2019Decision
Unlock 21 Blackweir Terrace, Cardiff, CF10 3EQ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 6 notable nearby
- The 34 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Versus other Blackweir Terrace homes
Four headline reads against 24 similar houses on this street, drawn from the latest EPC and Land Registry data.
EPC Rating for 21 Blackweir Terrace runs comfortably ahead of the street norm.
Price per m²
£2,813
Street avg £2,177
Floor Area
96 m²
Street avg 89 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
3.0 t/year
Street avg 3.7 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
485/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Blackweir — bus stop.
Nearest stops
- BlackweirBus stop67m
- Gelligaer GardensBus stop184m
- Cosmeston StreetBus stop276m
- Llantrisant StreetBus stop298m
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-eraMid-Terrace HouseEPC CPre-1919 buildSolid (non-cavity) walls
Because the property was built before 1919 and has solid (non-cavity) walls, 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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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 Blackweir Terrace is modelled from its 96 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in CF10 3EQ. 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 21 Blackweir Terrace. 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 Blackweir Terrace was lodged in June 2024 at band C and is valid until June 2034. 3 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 21 Blackweir Terrace. 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 3EQ.
- Council tax band
- 21 Blackweir Terrace is in council tax band D. 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 Blackweir Terrace, Cardiff, CF10 3EQ. Each answer is also embedded as structured data for search engines.
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- Every home in CF10 3EQSold prices, values and energy ratings for the postcode
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- 21 Blackweir Terrace, Cardiff valuationHow the estimate is built and what moves it
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