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5 Mortimer Road, Cardiff, CF11 9JZ

6 sales on record2 planning records
Property type
Mid terrace
Bedrooms
2
Bathroom
1
Floor area
126 m²
1356 sq ft
Energy rating
C
Score 71
Council tax
Band E
Tenure
Owner Occupied
Overview

About 5 Mortimer Road

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

5 Mortimer Road is a two-bedroom mid-terrace house in Cardiff (CF11 9JZ). It has a recorded floor area of 126 m² (around 1356 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (December 2025) shows a C (score 71). When first surveyed in February 2011 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor; while roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition.

At 126 m² the property is well over the postcode median (79 m² across 30 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 70% of similar EPCs). On the market in November 2017 and unlisted since — roughly 9 years. Across the public record there are 6 sales, relatively high churn for a single property. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Across 1997–2017, sale prices on this property compounded at 10.4% per year. Today's modelled estimate of £475,000 is 48.2% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£236/sq ft) was about 19.9% above the typical sold price in the postcode.

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

  • Bedrooms2
  • Bathrooms1

Building

  • RefurbishedYes
Before you decide

Everything you need to know about 5 Mortimer Road

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

Signs of HMO activity in the area

Pick your report · every report is £14.99

One time fee only - money back guarantee

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 3)
Dec 2025

EPC Rating

A
B
C
C71
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.6 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Feb 2011from Feb 2011
EPC improved fromD61toC76
Hot Water
GoodVery Good

Hot water efficiency improved

Wall Insulation
Uninsulated SolidInsulated Cavity

Cavity wall insulation installed

Dec 2025from Feb 2011
Hot Water
Very GoodGood

Hot water efficiency decreased

Roof Insulation
InsulatedWell Insulated

Loft insulation upgraded to recommended levels

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraMid-Terrace HouseEPC CPre-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 £1,020 · Includes VAT

Planning

Planning history

Applications and permits filed against 5 Mortimer Road, Cardiff, CF11 9JZ, sourced from the PlanIt planning register.

Planning history includes both a loft conversion and an extension — the classic family-home expansion.

2 applications on record at 5 Mortimer Road, Cardiff, CF11 9JZ

2decisions2extensions12documents4nearby
  1. May 2018
    Loft ConversionFull
    Outcome in report

    Extension: Single storey

    PROPOSED SINGLE STOREY EXTENSION AND PROPOSED DORMER LOFT CONVERSION WITH MAIN ROOF ALTERATIONS

    Extension
    Documents
    6 docs on file
    Reference
    18/00815/DCH
    Full record in report
  2. More recent applications — locked
  3. ExtensionDecision

Unlock 5 Mortimer Road, Cardiff, CF11 9JZ'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 4 notable nearby
  • The 12 documents, officer reports & conditions
  • What the pattern means for extending or converting here
£14.99one-off · instant

One time fee only - money back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

5 Mortimer Road has more than quadrupled in price since its earliest registered sale in 1997.

Current estimate

£475,000

Modelled from EPC, postcode comparables and a sale-price growth of 10.4% per year over 20 years.

See how we calculated this
Last sold (2017)

£320,600

Growth on file: 10.4% per year over 20 years.

Sales timeline

  1. 17 November 2017Most recent

    £320,600

    +3.4%over 1 year
  2. 29 September 2016

    £310,000

    +55.0%over 12 years
  3. 9 August 2004

    £199,950

    +100.1%over 2 years
  4. 14 December 2001

    £99,950

    +45.0%over 3 years
  5. 9 July 1998

    £68,950

    +56.7%over 9 months
  6. 7 October 1997

    £44,000

Median price across the last 5 sales in CF11 9JZ: £265,000 (2025–2018).

On the street

Versus other Mortimer Road homes

Four headline reads against 27 similar houses on this street, drawn from the latest EPC and Land Registry data.

On floor area, 5 Mortimer Road stands well clear of the street.

Price per m²

£2,544

Street avg £2,577

On par

Floor Area

126 m²

Street avg 86 m²

Strongly above

Habitable Rooms

5 rooms

Street avg 4 rooms

Strongly above

CO₂ Emissions

3.6 t/year

Street avg 3.8 t/year

On par
Before you decide

Everything you need to know about 5 Mortimer Road

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

Signs of HMO activity in the area

Pick your report · every report is £14.99

One time fee only - money back guarantee

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
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

9/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Halfway Hotel — bus stop.

Go deeper on the local area

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

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 5 Mortimer Road, Cardiff, CF11 9JZ. Each answer is also embedded as structured data for search engines.