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11 Grafton Close, Penylan, Cardiff, CF23 9JA

2 planning records

Estimated value

£400,000

  • Since the 2011 sale (£242,000)+65%
  • Against CF23 9JA's recent median (£270,000)+48%

Newest record on this page: August 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
Bedrooms
3
Floor area
107 m²
1156 sq ft
Energy rating
D
Score 64
Council tax
Band F
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

£400,000

  • Against its 2011 sale (£242,000)+65%
  • Against CF23 9JA's recent median (£270,000)+48%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 11 Grafton Close is modelled from its 107 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF23 9JA. 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

    107 m² from the EPC lodged in January 2011

  • Sales of this home

    1 sale recorded, the latest in 2011

  • Recent sales in CF23 9JA

    5 sales, median £270,000 (2025–2021)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: August 2025Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
Planning1 of 2 applicationsFull 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.

11 Grafton Close valuation sits well clear of the typical sold price in this postcode.

Risks

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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Overview

About 11 Grafton Close

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

11 Grafton Close is a three-bedroom detached house in Penylan, Cardiff, Cardiff (CF23 9JA). It has a recorded floor area of 107 m² (around 1156 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (January 2011) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 73). The latest certificate is from January 2011, so improvements made since then won't be reflected.

Today's modelled estimate of £400,000 sits 65.3% above the 2011 sale of £242,000. On a £-per-square-foot basis, the last sale (£209/sq ft) was about 15.9% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 107 m² it's 19.3% larger than the typical home in the postcode (90 m² median across 11 EPCs). Last changed hands 15 years ago, in August 2011.

Specifications

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

Outside

  • Private gardenFront and rear
  • GarageYes

Building

  • Central heatingYes
Before you decide

Everything you need to know about 11 Grafton Close

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

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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.

11 Grafton Close's EPC is over a decade old — improvements since won't be reflected.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 14 Jan 2021

Current Certificate
Jan 2011

EPC Rating

A
B
C
D
D64
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Average
Windows
Good
CO2 Emissions
4.7 t/year
Occupancy
Owner Occupied

Certificate validity

Expired on 14 January 2021

New assessment needed to sell or let
Planning

Planning history

Applications and permits filed against 11 Grafton Close, Penylan, Cardiff, CF23 9JA, sourced from the PlanIt planning register.

11 Grafton Close has an approved side extension on the planning record.

2 applications on record at 11 Grafton Close, Penylan, Cardiff, CF23 9JA

2decisions1extensions12documents2nearby
Flagged:Retrospective
  1. Jan 2013
    ExtensionFull
    Outcome in report

    Extension: Side of property

    RETENTION OF SINGLE STOREY SIDE EXTENSION

    Retrospective
    Documents
    5 docs on file
    Reference
    12/01834/DCH
    Full record in report
  2. More recent applications — locked
  3. OutbuildingDecision

Unlock 11 Grafton Close, Penylan, Cardiff, CF23 9JA's full planning history

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

  • Every decision — granted, refused or withdrawn (2 on record)
  • All 2 applications on this property in full, plus 2 notable nearby
  • The 12 documents, officer reports & conditions
  • What the pattern means for extending or converting here
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On the street

Versus other Grafton Close homes

Four headline reads against 10 similar houses on this street, drawn from the latest EPC and Land Registry data.

11 Grafton Close is notably below the street on co₂ emissions.

Price per m²

£2,254

Street avg £3,039

Below

Floor Area

107 m²

Street avg 88 m²

Strongly above

Habitable Rooms

6 rooms

Street avg 5 rooms

Strongly above

CO₂ Emissions

4.7 t/year

Street avg 3.7 t/year

Strongly below
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.

Crime

169/mo

Falling year-on-year across the wider district.

Nearest stop

0.1 km

Grafton Close — bus stop.

Nearest stops

  • Grafton CloseBus stop73m
  • Lothian CresBus stop182m
  • Lonsdale RoadBus stop220m
  • Ysgol Bro EdernBus stop239m

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.

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Mid 20th centuryDetached HouseEPC D

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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.
How the estimate is made
The estimate for 11 Grafton Close is modelled from its 107 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF23 9JA. 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 Grafton Close. 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 Grafton Close was lodged in January 2011 at band D and expired in January 2021, so a new one is needed to sell or let. Floor area, heating and insulation details on this page come from it.
Planning records
Planning applications are collected from local authority registers through PlanIt. 2 applications are matched to 11 Grafton Close. 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 9JA.
Council tax band
11 Grafton Close 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.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 11 Grafton Close, Penylan, Cardiff, CF23 9JA. Each answer is also embedded as structured data for search engines.

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