Model valuation£417,0008 Busby Close
Local market context
11 Cyncoed Avenue, Cardiff, CF23 6ST
3 planning records
Estimated value
£981,000
- Since the 2019 sale (£780,000)+26%
- Against CF23 6ST's recent median (£645,000)+52%
Newest record on this page: May 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
Detached
Habitable rooms
9
From EPC
Floor area
239 m²
2573 sq ft
Energy rating
D
Score 57
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
£981,000
- Against its 2019 sale (£780,000)+26%
- Against CF23 6ST's recent median (£645,000)+52%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 11 Cyncoed Avenue is modelled from its 239 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF23 6ST. 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
239 m² from the EPC lodged in September 2018
Sales of this home
1 sale recorded, the latest in 2019
Recent sales in CF23 6ST
5 sales, median £645,000 (2025–1999)
This page or the full report?
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: May 2025 | 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.
11 Cyncoed Avenue valuation sits well clear of the typical sold price in this postcode.
Sales timeline
29 November 2019Most recent
£780,000
Median price across the last 5 sales in CF23 6ST: £645,000 (2025–1999).
Nearby sales in CF23 6ST
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 11 Cyncoed Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
11 Cyncoed Avenue is a detached house in Cardiff (CF23 6ST). It has a recorded floor area of 239 m² (around 2573 sq ft) and construction records dating it to 1930-1949. The latest certificate (September 2018) shows a D (score 57), a step below the typical UK home. The recommended improvements would push it to C (score 77).
At 239 m² the property is well over the postcode median (170 m² across 3 EPCs), placing it in the larger end of the local stock. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved. Today's modelled estimate of £981,000 is 25.8% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£303/sq ft) was about 29.6% above the typical sold price in the postcode. Last sale on file: £780,000 in November 2019.
Before you decide
Everything you need to know about 11 Cyncoed 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.
11 Cyncoed Avenue's carbon output runs well above what efficient homes in the postcode produce.
Current Certificate
Sept 2018EPC Rating
A
B
C
D
D57
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Very Good
Windows
Very Poor
CO2 Emissions
9.6 t/year
Occupancy
Owner Occupied
Certificate validity
Valid until 17 September 2028
Planning history
Applications and permits filed against 11 Cyncoed Avenue, Cardiff, CF23 6ST, sourced from the PlanIt planning register.
3 applications on record at 11 Cyncoed Avenue, Cardiff, CF23 6ST
3decisions3extensions25documents1nearby
- Jan 2019PorchFullOutcome in report
Extension: Two storey · Side of property
REMOVAL OF EXISTING FLAT ROOF 2 STOREY SIDE EXTENSION, FRONT LEAN-TO PORCH AND FLAT ROOF REAR EXTENSION. PROPOSED 2 STOREY SIDE EXTENSION TO REPLACE EXISTING, MODIFIED PORCH AND RELOCATION OF FRONT DOOR. PROPOSED CONTEMPORARY SINGLE STOREY REAR EXTENSION.
Extension- Documents
- 11 docs on file
- Reference
- 18/03017/DCH
- More recent applications — locked
- PorchJul 2023Decision
- PorchJul 2023Decision
Unlock 11 Cyncoed Avenue, Cardiff, CF23 6ST's full planning history
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- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 1 notable nearby
- The 25 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Versus other Cyncoed Avenue homes
Four headline reads against 3 similar houses on this street, drawn from the latest EPC and Land Registry data.
11 Cyncoed Avenue outperforms the street on floor area by a wide margin.
Price per m²
£3,264
Street avg £3,053
Floor Area
239 m²
Street avg 172 m²
Habitable Rooms
9 rooms
Street avg 7 rooms
CO₂ Emissions
9.6 t/year
Street avg 8.3 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
Cyncoed Avenue — bus stop.
Nearest stops
- Cyncoed AvenueBus stop111m
- Cyncoed RdBus stop149m
- St Ederyn's RoadBus stop204m
- GlenwoodBus stop423m
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 centuryDetached HouseEPC DExtended multiple times (2+ extensions)
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,495 · 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 11 Cyncoed Avenue is modelled from its 239 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF23 6ST. 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. 1 sale is recorded for 11 Cyncoed 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 11 Cyncoed Avenue was lodged in September 2018 at band D and is valid until September 2028. Floor area, heating and insulation details on this page come from it.
- Planning records
- Planning applications are collected from local authority registers through PlanIt. 3 applications are matched to 11 Cyncoed 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 18 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF23 6ST.
Common questions
The questions buyers, sellers and homeowners most often ask about 11 Cyncoed Avenue, Cardiff, CF23 6ST. Each answer is also embedded as structured data for search engines.
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Keep exploring
- Every home in CF23 6STSold prices, values and energy ratings for the postcode
- CF 23 property marketPrices, postcodes, schools and transport across the district
- 11 Cyncoed Avenue, 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