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9 Heol Bennett, Old St Mellons, Cardiff, CF3 6AF

EPC A1 planning record

Estimated value

£653,000

  • Since the 2018 sale (£441,995)+48%
  • Against CF3 6AF's recent median (£468,995)+39%

Newest record on this page: July 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Detached
Habitable rooms
7
From EPC
Floor area
186 m²
2002 sq ft
Energy rating
A
Score 97
Council tax
Band G
Tenure
Owner Occupied
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Valuation

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

£653,000

  • Against its 2018 sale (£441,995)+48%
  • Against CF3 6AF's recent median (£468,995)+39%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 9 Heol Bennett is modelled from its 186 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF3 6AF. 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

    186 m² from the EPC lodged in July 2025

  • Sales of this home

    1 sale recorded, the latest in 2018

  • Recent sales in CF3 6AF

    5 sales, median £468,995 (2025–2020)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: March 2025Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
Planning1 applicationFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

9 Heol Bennett valuation sits well clear of the typical sold price in this postcode.

Sales timeline

  1. 10 January 2018Most recent

    £441,995

Median price across the last 5 sales in CF3 6AF: £468,995 (2025–2020).

Risks

What this page doesn't show

1 potential issue has already been flagged for 9 Heol Bennett, Old St Mellons, Cardiff, CF3 6AF. The detail, evidence and what to ask about it are in the Risks Report.
  • Larger development activity nearbyIn 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

Overview

About 9 Heol Bennett

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

9 Heol Bennett is a detached house in Old St. Mellons, Cardiff, Cardiff (CF3 6AF). It has a recorded floor area of 186 m² (around 2002 sq ft), construction records dating it to 2012-2021 and council tax band G. The latest certificate (July 2025) returns an A (score 97), the top energy band on the EPC scale. When first surveyed in November 2017 the rating was B, the property has climbed 1 band since. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Average.

At 186 m² the property is well over the postcode median (102 m² across 54 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. One planning record on file: an extension approved in 2018. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Today's modelled estimate of £653,000 is 47.7% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£221/sq ft) was about 15.2% below the postcode norm. 9 years since the last transfer (January 2018).

Before you decide

Everything you need to know about 9 Heol Bennett

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby

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Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

9 Heol Bennett ranks among the most efficient homes in the postcode for energy use.

Current Certificate(1 of 3)
Jul 2025

EPC Rating

A
A97
B
C
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Average
Windows
Average
CO2 Emissions
2.2 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 22 July 2035

8 years remaining

Property Improvements

Changes detected from historical EPC data

Jun 2025from Nov 2017
EPC improved fromB86toA99
Hot Water
Main SystemImmersion (Off-Peak)

Hot water system changed

Jul 2025from Jun 2025
Heating Controls
Full ControlFull

Heating controls changed

Floor Insulation
UninsulatedInsulated

Floor insulation added or improved

Planning

Planning history

Applications and permits filed against 9 Heol Bennett, Old St Mellons, Cardiff, CF3 6AF, sourced from the PlanIt planning register.

9 Heol Bennett has an approved rear extension on the planning record.

1 application on record at 9 Heol Bennett, Old St Mellons, Cardiff, CF3 6AF

1decisions1extensions6documents1nearby
  1. Jun 2018
    ConservatoryFull
    Outcome in report

    Extension: Rear of property

    CONSERVATORY TO REAR OF HOUSE

    Extension
    Documents
    6 docs on file
    Reference
    18/01096/DCH
    Full record in report

Unlock 9 Heol Bennett, Old St Mellons, Cardiff, CF3 6AF's full planning history

You're seeing the shape of it. The report has the substance.

  • Every decision — granted, refused or withdrawn (1 on record)
  • All 1 application on this property in full, plus 1 notable nearby
  • The 6 documents, officer reports & conditions
  • What the pattern means for extending or converting here
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On the street

Versus other Heol Bennett homes

Four headline reads against 48 similar houses on this street, drawn from the latest EPC and Land Registry data.

On price per m², 9 Heol Bennett runs well behind the street norm.

Price per m²

£2,376

Street avg £2,807

Strongly below

Floor Area

186 m²

Street avg 114 m²

Strongly above

CO₂ Emissions

2.2 t/year

Street avg 1.6 t/year

Strongly below

Years Held

9 years

Street avg 8 years

Strongly above
Area

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.
Full Cardiff report

Crime

242/mo

Falling year-on-year across the wider district.

Nearest stop

0.3 km

Heol Bennett — bus stop.

Nearest stops

  • Heol BennettBus stop271m
  • Training CentreBus stop283m
  • Church Road 3Bus stop352m
  • AsdaBus stop381m

Most reported crime locally

  • Violence & Sexual Offences1,550 reports36%
  • Anti-social Behaviour627 reports14%
  • Public Order468 reports11%
  • Criminal Damage & Arson424 reports10%

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

SDL Surveying

Get a survey for this property

Level 3 Building Survey

21st centuryDetached HouseEPC AExtended multiple times (2+ extensions)

Because the property has been extended more than once, we believe a Level 3 building survey should be considered.

From £1,155 · Includes VAT

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£630k

1 Tai Derwen, Cefn Mably

CF3 6XR

4 bed2 bath
£681k

1 New Park Cottages, Castleton

CF3 6US

£623k

1 Heol Bennett, Old St Mellons

CF3 6AF

£715k

1 Minorca Cottages, Michaelston Y Fedw

CF3 6XX

5 bed
£551k

1 Ruperra Close, Old St Mellons

CF3 6HX

4 bed2 bath
£548k

1 Rhodfa Lewis, Old St Mellons

CF3 6YP

£459k

1 George Crescent, Old St Mellons

CF3 6AH

£415k

1 Cefn Mably Park, Michaelston Y Fedw

CF3 6AA

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Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.
Valuation method in detail
How the estimate is made
The estimate for 9 Heol Bennett is modelled from its 186 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF3 6AF. 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 9 Heol Bennett. 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 9 Heol Bennett was lodged in July 2025 at band A and is valid until July 2035. 3 certificates are on record, which shows how the home has changed.
Planning records
Planning applications are collected from local authority registers through PlanIt. 1 application is matched to 9 Heol Bennett. 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 CF3 6AF.
Council tax band
9 Heol Bennett is in council tax band G. 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.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 9 Heol Bennett, Old St Mellons, Cardiff, CF3 6AF. Each answer is also embedded as structured data for search engines.

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