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21 Blackweir Terrace, Cardiff, CF10 3EQ

3 sales on record3 planning records
Property type
Mid terrace
Habitable rooms
6
From EPC
Floor area
96 m²
1033 sq ft
Energy rating
C
Score 71
Council tax
Band D
Tenure
Private Rental
Overview

About 21 Blackweir Terrace

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

21 Blackweir Terrace is a mid-terrace house in Cardiff (CF10 3EQ). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (June 2024) shows a C (score 71). When first surveyed in October 2013 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor and window efficiency went from Very Poor to Average. The recommended improvements would push it to B (score 82).

3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 96 m² it's 20% larger than the typical home in the postcode (80 m² median across 34 EPCs). Across 1999–2015, sale prices on this property compounded at 10.3% per year. Today's modelled estimate of £338,000 is 25.2% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£261/sq ft) was about 83.3% above the typical sold price in the postcode. On the market in January 2015 and unlisted since — roughly 11 years.

Before you decide

Everything you need to know about 21 Blackweir Terrace

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

Signs of HMO activity in the areaRecent ownership pattern worth a look

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.
Current Certificate(1 of 3)
Jun 2024

EPC Rating

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

Property Improvements

Changes detected from historical EPC data

May 2014from Oct 2013
EPC improved fromE50toC72
Heating Controls
Prog + StatProg + TRVs

Heating controls changed

Windows
SingleFull Double

Single glazing replaced with double or better glazing

Roof Insulation
UninsulatedWell Insulated

Loft insulation installed or upgraded to 250mm+

Jun 2024from May 2014
Heating Controls
Prog + TRVsFull

Heating controls upgraded for better temperature management

Walls
Very PoorPoor

Wall insulation improved

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraMid-Terrace HouseEPC CPre-1919 buildSolid (non-cavity) walls

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

From £955 · Includes VAT

Planning

Planning history

Applications and permits filed against 21 Blackweir Terrace, Cardiff, CF10 3EQ, sourced from the PlanIt planning register.

3 applications on record at 21 Blackweir Terrace, Cardiff, CF10 3EQ

3decisions2extensions34documents6nearby
  1. Apr 2014
    ExtensionOutline
    Outcome in report

    Extension: Rear of property

    LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT TO A SINGLE STOREY REAR EXTENSION, REAR DORMER ROOF EXTENSION AND THE CONVERSION OF THE ROOFSPACE INTO LIVING ACCOMMODATION.

    Documents
    12 docs on file
    Reference
    14/00604/DCH
    Full record in report
  2. More recent applications — locked
  3. ExtensionDecision
  4. FullDecision

Unlock 21 Blackweir Terrace, Cardiff, CF10 3EQ's full planning history

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

  • Every decision — granted, refused or withdrawn (3 on record)
  • All 3 applications on this property in full, plus 6 notable nearby
  • The 34 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.

21 Blackweir Terrace has more than quadrupled in price since its earliest registered sale in 1999.

Current estimate

£338,000

Modelled from EPC, postcode comparables and a sale-price growth of 10.3% per year over 15 years.

See how we calculated this
Last sold (2015)

£270,000

Growth on file: 10.3% per year over 15 years.

Sales timeline

  1. 26 January 2015Most recent

    £270,000

    +126.0%over 10 months
  2. 20 March 2014

    £119,450

    +99.1%over 14 years
  3. 13 September 1999

    £60,000

Median price across the last 5 sales in CF10 3EQ: £314,000 (2024–2022).

On the street

Versus other Blackweir Terrace homes

Four headline reads against 24 similar houses on this street, drawn from the latest EPC and Land Registry data.

EPC Rating for 21 Blackweir Terrace runs comfortably ahead of the street norm.

Price per m²

£2,813

Street avg £2,177

Strongly above

Floor Area

96 m²

Street avg 89 m²

Above

Habitable Rooms

6 rooms

Street avg 5 rooms

Above

CO₂ Emissions

3.0 t/year

Street avg 3.7 t/year

Above
Before you decide

Everything you need to know about 21 Blackweir Terrace

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

Signs of HMO activity in the areaRecent ownership pattern worth a look

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.

Reported crime in the wider district is trending notably upward year-on-year.

Crime

10/mo

Rising year-on-year across the wider district.

Nearest stop

0.1 km

Blackweir — 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 21 Blackweir Terrace, Cardiff, CF10 3EQ. Each answer is also embedded as structured data for search engines.