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12a Nelson House, Loudoun Square, Cardiff, CF10 5JG

Property type
End terrace
Floor 12
Habitable rooms
3
From EPC
Floor area
64 m²
689 sq ft
Energy rating
C
Score 77
Tenure
Social Rental
Overview

About 12a Nelson House

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

12a Nelson House is an end-of-terrace house in Cardiff (CF10 5JG). It has a recorded floor area of 64 m² (around 689 sq ft) and construction records dating it to 1950-1966. At 64 m² this is the 5th smallest of 20 units on EPC record in the building, where floor areas span 56–145 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (June 2025) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since November 2024. Between certificates, wall efficiency went from Very Poor to Poor and window efficiency went from Average to Good.

Before you decide

Everything you need to know about 12a Nelson House

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

Larger development activity nearby

Pick your report · from £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 2)
Jun 2025

EPC Rating

A
B
C
C77
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
1.6 t/year
Occupancy
Rented

Certificate validity

Valid until 12 June 2035

8 years remaining

Property Improvements

Changes detected from historical EPC data

Jun 2025from Nov 2024
Windows
AverageGood

Window efficiency improved

Walls
Very PoorPoor

Wall insulation improved

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Mid 20th centuryMid Floor FlatEPC C

We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.

From £495 · Includes VAT

Planning

Planning history

Applications and permits filed against 12a Nelson House, Loudoun Square, Cardiff, CF10 5JG, sourced from the PlanIt planning register.

12a Nelson House has no planning applications on record.

5

But the area is active

5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

Price

Sales history & valuation

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

12a Nelson House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£137,000

Modelled from EPC, postcode comparables.

See how we calculated this

No sales recorded with HM Land Registry

That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.

On the street

Versus other Loudoun Square homes

Four headline reads against 29 similar flats on this street, drawn from the latest EPC and Land Registry data.

On co₂ emissions, 12a Nelson House stands well clear of the street.

EPC Rating

77 (C)

Street avg 72 (C)

Strongly above

Floor Area

64 m²

Street avg 75 m²

On par

CO₂ Emissions

1.6 t/year

Street avg 2.3 t/year

Strongly above

Habitable Rooms

3 rooms

Street avg 3 rooms

Above
Before you decide

Everything you need to know about 12a Nelson House

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

Larger development activity nearby

Pick your report · from £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
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£133k

1 Dudley Court

CF10 5BQ

£132k

1 Hansen Court, Heol Glan Rheidol

CF10 5NX

1 bed1 bath
£129k

1 Cargo House, North Church Street

CF10 5EJ

£149k

1 Lloyds House, Anchor Works, Dumballs Road

CF10 5HT

£150k

1 Clarence Mews, Clarence Embankment

CF10 5GF

1 bed1 bath
£151k

1 Cwrt Y Berllan, Clarence Road

CF10 5DZ

£122k

1 Heol Staughton

CF10 5FS

1 bed1 bath
£160k

1 Carlotta Way

CF10 5FY

2 bed
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

Rail-style transport is unusually close for this postcode.

Crime

485/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

South Loudon Place — 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 12a Nelson House, Loudoun Square, Cardiff, CF10 5JG. Each answer is also embedded as structured data for search engines.