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Flat 1, 11 Marlborough Road, Cardiff, CF23 5BT

5 sales on record

Estimated value

£250,000

  • Since the 2010 sale (£168,000)+49%
  • Against CF23 5BT's recent median (£485,000)-48%

Newest record on this page: July 2026. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Mid terrace
Floor 01
Habitable rooms
3
From EPC
Floor area
86 m²
926 sq ft
Energy rating
D
Score 68
Council tax
Band D
Tenure
Private Rental
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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

£250,000

  • Against its 2010 sale (£168,000)+49%
  • Against CF23 5BT's recent median (£485,000)-48%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for Flat 1 is modelled from its 86 m² EPC floor area, its 5 recorded sales and recent sales of comparable homes in CF23 5BT. 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

    86 m² from the EPC lodged in July 2026

  • Sales of this home

    5 sales recorded, the latest in 2010

  • Recent sales in CF23 5BT

    5 sales, median £485,000 (2024–2017)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: June 2024Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
PlanningNone on this homeFull 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.

Sale price has grown by over 3x since 1996.

Sales timeline

  1. 28 October 2010Most recent

    £168,000

    +9.8%over 3 years
  2. 30 September 2007

    £153,000

    +2.7%over 3 years
  3. 27 June 2004

    £149,000

    +93.5%over 4 years
  4. 29 February 2000

    £77,000

    +71.1%over 3 years
  5. 27 June 1996

    £45,000

Median price across the last 5 sales in CF23 5BT: £485,000 (2024–2017).

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

One time fee only - money back guarantee

Overview

About Flat 1

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

Flat 1 is a mid-terrace house in Cardiff (CF23 5BT). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (July 2026) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2010. Between certificates, hot-water efficiency went from Average to Good and main heating went from Average to Good; while window efficiency dropped from Good to Poor and lighting dropped from Good to Poor. The recommended improvements would push it to C (score 73). This certificate was lodged in the last six months, so the rating reflects current condition.

It hasn't traded since October 2010, a hold of 16 years that's notably long for the area. Across the public record there are 5 sales, relatively high churn for a single property. At 86 m² the property is well over the postcode median (36 m² across 51 EPCs), placing it in the larger end of the local stock. Across 1996–2010, sale prices on this property compounded at 9.6% per year. Today's modelled estimate of £250,000 is 48.8% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£181/sq ft) was about 19.9% below the postcode norm.

Before you decide

Everything you need to know about Flat 1

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.

The EPC has just been inspected, so the rating reflects current condition.

Current Certificate(1 of 2)
Jul 2026

EPC Rating

A
B
C
D
D68
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
2.8 t/year
Occupancy
Rented

Certificate validity

Valid until 22 July 2036

9 years remaining

Property Improvements

Changes detected from historical EPC data

Jul 2026from Jul 2010
Heating Controls
Prog + TRVsFull

Heating controls upgraded for better temperature management

Hot Water
AverageGood

Hot water efficiency improved

Planning

Planning history

Applications and permits filed against Flat 1, 11 Marlborough Road, Cardiff, CF23 5BT, sourced from the PlanIt planning register.

Flat 1 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.

On the street

Versus other Marlborough Road homes

Four headline reads against 47 similar flats on this street, drawn from the latest EPC and Land Registry data.

Flat 1 outperforms the street on floor area by a wide margin.

Price per m²

£1,953

Street avg £17,006

Strongly below

Floor Area

86 m²

Street avg 43 m²

Strongly above

Habitable Rooms

3 rooms

Street avg 2 rooms

Strongly above

CO₂ Emissions

2.8 t/year

Street avg 2.3 t/year

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

Marlborough Road — bus stop.

Nearest stops

  • Marlborough RoadBus stop119m
  • Marlborough SchBus stop133m
  • Pen-Y-Lan RoadBus stop144m
  • Penylan LibraryBus stop177m

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.

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-era1st Floor MaisonetteEPC DPre-1919 buildExtended multiple times (2+ extensions)Solid (non-cavity) walls

Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.

From £885 · Includes VAT

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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 Flat 1 is modelled from its 86 m² EPC floor area, its 5 recorded sales and recent sales of comparable homes in CF23 5BT. 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. 5 sales are recorded for Flat 1. 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 Flat 1 was lodged in July 2026 at band D and is valid until July 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 Flat 1. 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 5BT.
Council tax band
Flat 1 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.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about Flat 1, 11 Marlborough Road, Cardiff, CF23 5BT. Each answer is also embedded as structured data for search engines.

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