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18 Brynmawr Close, St Mellons, Cardiff, CF3 0HJ

Estimated value

£251,000

  • Since the 2025 sale (£195,000)+29%
  • Against CF3 0HJ's recent median (£195,000)+29%

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

Learn about this valuation
Property type
End terrace
Habitable rooms
4
From EPC
Floor area
87 m²
936 sq ft
Energy rating
C
Score 72
Council tax
Band C
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

£251,000

  • Against its 2025 sale (£195,000)+29%
  • Against CF3 0HJ's recent median (£195,000)+29%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 18 Brynmawr Close is modelled from its 87 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF3 0HJ. 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

    87 m² from the EPC lodged in March 2025

  • Sales of this home

    1 sale recorded, the latest in 2025

  • Recent sales in CF3 0HJ

    5 sales, median £195,000 (2023–2019)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: October 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.

18 Brynmawr Close valuation sits well clear of the typical sold price in this postcode.

Sales timeline

  1. 2 October 2025Most recent

    £195,000

Median price across the last 5 sales in CF3 0HJ: £195,000 (2023–2019).

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 18 Brynmawr Close

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

18 Brynmawr Close is an end-of-terrace house in St. Mellons, Cardiff, Cardiff (CF3 0HJ). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (March 2025) shows a C (score 72). The recommended improvements would push it to B (score 85).

Most recent transfer was October 2025 at £195,000 — fresh data. Today's modelled estimate of £251,000 is 28.7% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£208/sq ft) was about 49.4% above the typical sold price in the postcode.

Before you decide

Everything you need to know about 18 Brynmawr Close

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.
Current Certificate
Mar 2025

EPC Rating

A
B
C
C72
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
2.6 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 28 March 2035

8 years remaining
Planning

Planning history

Applications and permits filed against 18 Brynmawr Close, St Mellons, Cardiff, CF3 0HJ, sourced from the PlanIt planning register.

18 Brynmawr Close 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 Brynmawr Close homes

Four headline reads against 20 similar houses on this street, drawn from the latest EPC and Land Registry data.

Years Held for 18 Brynmawr Close lags the street by a wide margin.

Price per m²

£2,241

Street avg £1,916

Strongly above

Floor Area

87 m²

Street avg 82 m²

Above

Habitable Rooms

4 rooms

Street avg 5 rooms

Below

CO₂ Emissions

2.6 t/year

Street avg 2.5 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

242/mo

Falling year-on-year across the wider district.

Nearest stop

0.1 km

Willowdene Way — bus stop.

Nearest stops

  • Willowdene WayBus stop60m
  • Meddygfa Willowbrook SurgeryBus stop121m
  • Kwik SaveBus stop185m
  • Saffron CloseBus stop281m

Most reported crime locally

  • Violence & Sexual Offences1,550 reports36%
  • Anti-social Behaviour627 reports14%
  • Public Order468 reports11%
  • Criminal Damage & Arson424 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

Late 20th centuryEnd-Terrace HouseEPC 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 £545 · 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.
£252k

1 Aston Place, St Mellons

CF3 0PH

3 bed1 bath
£250k

1 Brython Drive, St Mellons

CF3 0LR

3 bed
£237k

1 Brynmawr Close, St Mellons

CF3 0HJ

£236k

1 Birkdale Close, St Mellons

CF3 0LF

£236k

1 Chartley Close, St Mellons

CF3 0SD

2 bed1 bath
£234k

1 Bodnant Close, St Mellons

CF3 0JL

£233k

1 Chervil Close, St Mellons

CF3 0NL

3 bed
£271k

1 Burreed Close

CF3 0RL

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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 18 Brynmawr Close is modelled from its 87 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF3 0HJ. 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. 1 sale is recorded for 18 Brynmawr Close. 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 18 Brynmawr Close was lodged in March 2025 at band C and is valid until March 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 18 Brynmawr Close. 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 18 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF3 0HJ.
Council tax band
18 Brynmawr Close is in council tax band C. 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 18 Brynmawr Close, St Mellons, Cardiff, CF3 0HJ. Each answer is also embedded as structured data for search engines.

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