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12 Wyndham Street, Tongwynlais, Cardiff, CF15 7LN

Notable views3 sales on record

Estimated value

£158,000

  • Since the 2023 sale (£156,000)+1%
  • Against CF15 7LN's recent median (£238,500)-34%

Newest record on this page: July 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Semi-detached
Bedroom
1
Bathroom
1
Floor area
39 m²
420 sq ft
Energy rating
E
Score 49
Council tax
Band B
Tenure
Freehold
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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

£158,000

  • Against its 2023 sale (£156,000)+1%
  • Against CF15 7LN's recent median (£238,500)-34%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 12 Wyndham Street is modelled from its 39 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in CF15 7LN. 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

    39 m² from the EPC lodged in April 2023

  • Sales of this home

    3 sales recorded, the latest in 2023

  • Recent sales in CF15 7LN

    5 sales, median £238,500 (2025–2015)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: July 2025Latest 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. 22 August 2023Most recent

    £156,000

    +41.8%over 7 years

  2. 21 July 2016

    £110,000

    +29.4%over 5 years

  3. 26 May 2011

    £85,000

Median price across the last 5 sales in CF15 7LN: £238,500 (2025–2015).

Risks

What this page doesn't show

Nothing is flagged from the data on this page, but these checks are only run in the report. The detail, evidence and what to ask about it are in the Risks 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 12 Wyndham Street

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

12 Wyndham Street is a one-bedroom semi-detached house in Tongwynlais, Cardiff, Cardiff (CF15 7LN). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 1900-1929 and council tax band B. Tenure is freehold. The latest certificate (April 2023) shows an E (score 49), well below the UK norm with real room to improve. When first surveyed in May 2010 the rating was F, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Good and main heating went from Poor to Good; while window efficiency dropped from Good to Very Poor. The recommended improvements would lift it to B (score 83), a 3-band jump. Other recorded features include notable views. Period features are noted in the property record.

At 39 m² it sits well below the postcode median (80 m² across 6 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). Across 2011–2023, sale prices on this property compounded at 5.1% per year. On a £-per-square-foot basis, the last sale (£372/sq ft) was about 114.9% above the typical sold price in the postcode. Most recent transfer: August 2023 at £156,000.

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

  • Bedrooms1
  • Bathrooms1

Outside

  • Private gardenYes
  • Notable viewsYes

Building

  • TenureFreehold
  • Period featuresYes
Before you decide

Everything you need to know about 12 Wyndham Street

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

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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.

Recommended upgrades on file would lift this property by multiple EPC bands.

Current Certificate(1 of 3)
Apr 2023

EPC Rating

A
B
C
D
E
E49
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
3.2 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 16 April 2033

6 years remaining

Property Improvements

Changes detected from historical EPC data

Nov 2012from May 2010
EPC improved fromF24toD64
Heating System
Storage HeatersGas Boiler

Replaced storage heaters with gas boiler

Main Fuel
ElectricGas

Connected to mains gas supply

Heating Controls
Prog + StatProg + TRVs

Heating controls changed

Hot Water
Immersion (Off-Peak)Main System

Hot water system upgraded

Roof Insulation
UninsulatedWell Insulated

Loft insulation installed or upgraded to 250mm+

Low Energy Lighting
90%0%

Low energy lighting percentage decreased

Apr 2023from Nov 2012
EPC improved fromD64toE49
Heating Controls
Prog + TRVsFull

Heating controls upgraded for better temperature management

Low Energy Lighting
0%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 12 Wyndham Street, Tongwynlais, Cardiff, CF15 7LN, sourced from the PlanIt planning register.

12 Wyndham Street has no planning applications on record.

1

But the area is active

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

On the street

Versus other Wyndham Street homes

Four headline reads against 6 similar houses on this street, drawn from the latest EPC and Land Registry data.

12 Wyndham Street outperforms the street on price per m² by a wide margin.

Price per m²

£4,000

Street avg £2,493

Strongly above

Floor Area

39 m²

Street avg 84 m²

Strongly below

Habitable Rooms

2 rooms

Street avg 5 rooms

Strongly below

CO₂ Emissions

3.2 t/year

Street avg 4.1 t/year

On par
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

85/mo

Steady year-on-year across the wider district.

Nearest stop

0.0 km

Wyndham Street — bus stop.

Nearest stops

  • Wyndham StreetBus stop43m
  • Bute StreetBus stop53m
  • Lewis ArmsBus stop95m
  • Castell Coch ViewBus stop178m

Most reported crime locally

  • Violence & Sexual Offences366 reports33%
  • Anti-social Behaviour150 reports14%
  • Public Order141 reports13%
  • Shoplifting104 reports9%

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 3 Building Survey

Victorian-eraSemi-Detached HouseFreeholdEPC EPre-1919 build

Because the property was built before 1919, we believe a Level 3 building survey should be considered.

From £820 · 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.
£223k

1 Castle Street, Taffs Well

CF15 7RL

2 bed1 bath
£227k

1 Anchor Street, Taffs Well

CF15 7RH

2 bed1 bath
£262k

1 Castell Coch View, Tongwynlais

CF15 7LA

2 bed1 bath
£279k

1 Castle Road, Tongwynlais

CF15 7JQ

2 bed1 bath
£220k

1 Church Street, Taffs Well

CF15 7PG

3 bed
£289k

1 Church Lane, Nantgarw

CF15 7TQ

3 bed1 bath
£147k

1 Beech Court, Catherine Drive, Tongwynlais

CF15 7JU

£147k

1 Ffordd Y Felin, Old Caerphilly Road, Nantgarw

CF15 7TA

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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 12 Wyndham Street is modelled from its 39 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in CF15 7LN. 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 12 Wyndham Street. 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 12 Wyndham Street was lodged in April 2023 at band E and is valid until April 2033. 3 certificates are on record, which shows how the home has changed.
Planning records
Planning applications are collected from local authority registers through PlanIt. None is matched to 12 Wyndham Street. 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 13 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF15 7LN.
Council tax band
12 Wyndham Street is in council tax band B. 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 12 Wyndham Street, Tongwynlais, Cardiff, CF15 7LN. Each answer is also embedded as structured data for search engines.

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