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

EPC B3 sales on record

Estimated value

£190,000

  • Since the 2026 sale (£162,000)+17%
  • Against CF11 9EY's recent median (£195,100)-3%

Newest record on this page: March 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 02
Habitable rooms
2
From EPC
Floor area
45 m²
484 sq ft
Energy rating
B
Score 82
Council tax
Band D
Tenure
Owner Occupied
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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

£190,000

  • Against its 2026 sale (£162,000)+17%
  • Against CF11 9EY's recent median (£195,100)-3%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 11 Gwern Hafren is modelled from its 45 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in CF11 9EY. 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

    45 m² from the EPC lodged in April 2025

  • Sales of this home

    3 sales recorded, the latest in 2026

  • Recent sales in CF11 9EY

    5 sales, median £195,100 (2026–2022)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: March 2026Latest 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.

Sales timeline

  1. 29 January 2026Most recent

    £162,000

    +20.0%over 8 years

  2. 13 July 2017

    £135,000

    +35.0%over 8 years

  3. 27 March 2009

    £100,000

Median price across the last 5 sales in CF11 9EY: £195,100 (2026–2022).

Risks

What this page doesn't show

1 potential issue has already been flagged for 11 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY. The detail, evidence and what to ask about it are in the Risks Report.
  • Signs of HMO activity in the areaIn report
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

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Overview

About 11 Gwern Hafren

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

11 Gwern Hafren is a mid-terrace house in Cardiff (CF11 9EY). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 2007-2011 and council tax band D. The latest certificate (April 2025) returns a B (score 82), comfortably above the UK average. At 45 m² this is the 6th 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.

It changed hands recently, sold January 2026 for £162,000. At 45 m² it's 15.1% smaller than the typical home in the postcode (53 m² median across 14 EPCs). Across 2009–2026, sale prices on this property compounded at 2.9% per year. Today's modelled estimate of £190,000 is 17.3% above the 2026 sale price.

Before you decide

Everything you need to know about 11 Gwern Hafren

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

Signs of HMO activity in the area

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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.

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

Current Certificate
Apr 2025

EPC Rating

A
B
B82
C
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
0.8 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 15 April 2035

8 years remaining
Planning

Planning history

Applications and permits filed against 11 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY, sourced from the PlanIt planning register.

11 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.

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.

Years Held for 11 Gwern Hafren lags the street by a wide margin.

Price per m²

£3,600

Street avg £3,540

On par

Floor Area

45 m²

Street avg 53 m²

On par

Habitable Rooms

2 rooms

Street avg 2 rooms

Below

CO₂ Emissions

0.8 t/year

Street avg 1.1 t/year

Above
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

Crime

362/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Halfway Hotel — bus stop.

Nearest stops

  • Halfway HotelBus stop114m
  • Llandaff FieldsBus stop155m
  • Berthwin StreetBus stop268m
  • Conway RoadBus stop286m

Most reported crime locally

  • Violence & Sexual Offences1,545 reports28%
  • Vehicle Crime640 reports12%
  • Anti-social Behaviour624 reports11%
  • Public Order547 reports10%

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 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 £495 · Includes VAT

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£189k

1 Clos Dewi Sant, Canton

CF11 9EW

2 bed1 bath
£192k

1 Berthwin Street

CF11 9JH

£201k

1 Gwern Hafren, Severn Grove

CF11 9EY

2 bed2 bath
£204k

1 Maldwyn Street

CF11 9JR

£229k

1 Fields Park Road

CF11 9JP

£149k

1 Gray Street

CF11 9NA

£243k

1 Canton Court

CF11 9BG

£257k

1 Cwrt Soffia, Cathedral Road

CF11 9AY

2 bed2 bath

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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.
Valuation method in detail
How the estimate is made
The estimate for 11 Gwern Hafren is modelled from its 45 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in CF11 9EY. 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. 3 sales are recorded for 11 Gwern Hafren. 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 11 Gwern Hafren was lodged in April 2025 at band B and is valid until April 2035. Floor area, heating and insulation details on this page come from it.
Planning records
Planning applications are collected from local authority registers through PlanIt. None is matched to 11 Gwern Hafren. 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 15 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF11 9EY.
Council tax band
11 Gwern Hafren 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 11 Gwern Hafren, Severn Grove, Cardiff, CF11 9EY. Each answer is also embedded as structured data for search engines.

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