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12 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY

EPC B
Property type
Semi-detached
Floor 2nd
Bedrooms
2
Bathrooms
2
Floor area
77 m²
829 sq ft
Energy rating
B
Score 81
Council tax
Band F
Tenure
Private Rental
Overview

About 12 Gwern Hafren

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

12 Gwern Hafren is a two-bedroom semi-detached house in Cardiff (CF11 9EY). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 2007 onwards and council tax band F. The latest certificate (March 2019) returns a B (score 81), comfortably above the UK average. The rating has held steady at B across 2 certificates since February 2009. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good. At 77 m² this is the 12th smallest of 15 units on EPC record in the building, where floor areas span 34–93 m². The building's EPC ratings span C to B, with this unit at the top.

At 77 m² the property is well over the postcode median (49 m² across 14 EPCs), placing it in the larger end of the local stock. Across 2009–2020, sale prices on this property compounded at 3.4% per year. Sold November 2020 for £255,000.

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
  • Bathrooms2

Outside

  • ParkingAllocated
Before you decide

Everything you need to know about 12 Gwern Hafren

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

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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.

12 Gwern Hafren's carbon output is low for the local stock.

Current Certificate(1 of 2)
Mar 2019

EPC Rating

A
B
B81
C
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
1.4 t/year
Occupancy
Rented

Property Improvements

Changes detected from historical EPC data

Mar 2019from Feb 2009
Hot Water
Very GoodGood

Hot water efficiency decreased

Low Energy Lighting
4%90%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

21st century2nd Floor FlatEPC B

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 £545 · Includes VAT

Planning

Planning history

Applications and permits filed against 12 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY, sourced from the PlanIt planning register.

12 Gwern Hafren has no planning applications on record.

4

But the area is active

4 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.

The latest sale landed in the post-pandemic price surge — useful context when reading the figure.

Current estimate

£271,000

Modelled from EPC, postcode comparables and a sale-price growth of 3.4% per year over 11 years.

See how we calculated this
Last sold (2020)

£255,000

Growth on file: 3.4% per year over 11 years.

Sales timeline

  1. 26 November 2020Most recent

    £255,000

    +45.7%over 11 years
  2. 2 July 2009

    £174,995

Median price across the last 5 sales in CF11 9EY: £345,000 (2024–2020).

On the street

Versus other Severn Grove homes

Four headline reads against 12 similar flats on this street, drawn from the latest EPC and Land Registry data.

On floor area, 12 Gwern Hafren stands well clear of the street.

Price per m²

£3,312

Street avg £3,405

On par

Floor Area

77 m²

Street avg 50 m²

Strongly above

Habitable Rooms

3 rooms

Street avg 2 rooms

Strongly above

CO₂ Emissions

1.4 t/year

Street avg 1.0 t/year

Strongly below
Before you decide

Everything you need to know about 12 Gwern Hafren

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 12 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY. Each answer is also embedded as structured data for search engines.