Model valuation£417,0008 Busby Close
Local market context
12 Grenville Road, Cardiff, CF23 5BP
4 sales on record
Estimated value
£493,000
- Since the 2026 sale (£500,000)-1%
- Against CF23 5BP's recent median (£297,500)+66%
Newest record on this page: May 2026. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
End terrace
Bedrooms
3
Bathroom
1
Floor area
112 m²
1206 sq ft
Energy rating
C
Score 71
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
£493,000
- Against its 2026 sale (£500,000)-1%
- Against CF23 5BP's recent median (£297,500)+66%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 12 Grenville Road is modelled from its 112 m² EPC floor area, its 4 recorded sales and recent sales of comparable homes in CF23 5BP. 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
112 m² from the EPC lodged in January 2026
Sales of this home
4 sales recorded, the latest in 2026
Recent sales in CF23 5BP
5 sales, median £297,500 (2020–2012)
This page or the full report?
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: May 2026 | 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.
Latest sale on 12 Grenville Road was the highest on Land Registry record across the postcode.
Sales timeline
10 May 2026Most recent
£500,000
+63.4%over 11 years20 April 2015
£306,000
+15.5%over 2 years21 June 2012
£265,000
+13.7%over 5 years7 September 2006
£233,000
Median price across the last 5 sales in CF23 5BP: £297,500 (2020–2012).
Nearby sales in CF23 5BP
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 12 Grenville Road
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
12 Grenville Road is a three-bedroom end-of-terrace house in Cardiff (CF23 5BP). It has a recorded floor area of 112 m² (around 1206 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (January 2026) shows a C (score 71). When first surveyed in March 2012 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor; while window efficiency dropped from Average to Poor.
Most recent transfer was May 2026 at £500,000 — fresh data. Across the public record there are 4 sales, relatively high churn for a single property. Its energy rating outperforms most of the postcode (better than 86% of similar EPCs). Across 2006–2026, sale prices on this property compounded at 4% per year. On a £-per-square-foot basis, the last sale (£415/sq ft) was about 80.5% above the typical sold price in the postcode.
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
Before you decide
Everything you need to know about 12 Grenville Road
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.
Current Certificate(1 of 2)
Jan 2026
EPC Rating
A
B
C
C71
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
3.3 t/year
Occupancy
Owner Occupied
Certificate validity
Valid until 14 January 2036
Property Improvements
Changes detected from historical EPC data
Jan 2026from Mar 2012
EPC improved fromE43toC71
Heating Controls
Prog + TRVsFull Control
Heating controls upgraded for better temperature management
Walls
Very PoorPoor
Wall insulation improved
Low Energy Lighting
60%100%
More low energy lighting installed
Planning history
Applications and permits filed against 12 Grenville Road, Cardiff, CF23 5BP, sourced from the PlanIt planning register.
12 Grenville Road 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 Grenville Road homes
Four headline reads against 7 similar houses on this street, drawn from the latest EPC and Land Registry data.
On price per m², 12 Grenville Road stands well clear of the street.
Price per m²
£4,464
Street avg £2,690
Floor Area
112 m²
Street avg 115 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.3 t/year
Street avg 4.8 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
169/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Waterloo Gardens — bus stop.
Nearest stops
- Waterloo GardensBus stop142m
- Waterloo GardensBus stop149m
- Roath Court PlaceBus stop161m
- Timbers SquareBus stop171m
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.
Get a survey for this property
Level 3 Building Survey
Early 20th centuryEnd-Terrace HouseEPC CSolid (non-cavity) walls
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,020 · 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 12 Grenville Road is modelled from its 112 m² EPC floor area, its 4 recorded sales and recent sales of comparable homes in CF23 5BP. 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. 4 sales are recorded for 12 Grenville Road. 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 12 Grenville Road was lodged in January 2026 at band C and is valid until January 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 12 Grenville Road. 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 5BP.
- Council tax band
- 12 Grenville Road 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 12 Grenville Road, Cardiff, CF23 5BP. Each answer is also embedded as structured data for search engines.
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Keep exploring
- Every home in CF23 5BPSold prices, values and energy ratings for the postcode
- CF 23 property marketPrices, postcodes, schools and transport across the district
- 12 Grenville Road, 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