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Buying at CF37 5EH

Before you offer on a home at CF37 5EH: the checks to raise with your surveyor and conveyancer, whether an asking price stands up against what sold nearby, how prices here have moved since 1995, what it costs to run a home, and a buyer's report for every home on the postcode.

3 things to raise before an offer, and a street where the typical sale was £320k. In Trefforest.

3 to check1 clear£320k typical on Heol Y Bryn

The checklist

Before you make an offer

Check
Radon: up to 10–30% of homes above the action levelThis 1 km square includes a radon affected area. Ask whether the home has been tested; a three-month test is simple and cheap, and only a test shows a home's level (UKHSA/BGS).
Check
Coal mining high-risk areaPast shallow mining or mine entries may affect building here. Your conveyancer should order a coal mining search (Coal Authority).
Check
Ground: landslides significantBGS rates the wider 5 km area for these; it describes the area, not the plot. Mention it to your surveyor, especially for an older home or big trees near the house.
Note
Busy road: A470, 910 m awayAbout 66,223 vehicles a day in 2025 (DfT traffic counts).
Clear
No river or sea flood risk recordedNot in the Environment Agency's high or medium risk areas. Surface water isn't included: check the exact address on GOV.UK.

Xoserve, UKHSA/BGS radon atlas, BGS GeoSure, Coal Authority, Environment Agency (© Environment Agency copyright and/or database right 2026), Defra noise maps, Historic England, Ofcom, council planning registers (OGL). For a particular home, its buyer's report (below) adds tenure, energy rating, age and extensions.

Price

Is the asking price fair?

£320ktypical sale on Heol Y Bryn, last 10 years

£1,746typical price per m² in Trefforest

£1,560–£2,820per m² for homes at CF37 5EH sold since 2015

Multiply a home's floor area (on its energy certificate) by £1,746 for a neighbourhood benchmark: 90 m² comes to about £157k. Check an asking price.

HM Land Registry sold prices; floor areas from energy certificates.

Trend

Prices in Trefforest

Trefforest

+56% over ten years (2015 to 2025).

Typical (median) sale price each year, all home types, HM Land Registry.

Comparables

What sold nearby in the last two years

Type	Sales	Typical	Range
Detached	10	£330k	£165k – £550k
Semi-detached	43	£190k	£110k – £290k
Terraced	124	£148k	£40k – £375k
Flat	17	£98k	£70k – £157k

Standard sales in Trefforest. Every recent sale.

Running costs

What it costs to live here

A home's own band, energy rating and typical bills are in its buyer's report.

MHCLG council tax; Xoserve gas connections.

Supply

How often homes come up

1sales on Heol Y Bryn in the last two years

194sales in Trefforest in the last two years

HM Land Registry standard sales.

Check a home

Buyer's reports for homes at CF37 5EH

Home	Last sold	Floor area
1, Heol Y BrynDetached	£322,500, Feb 2013	188 m²	Buyer's report →
3, Heol Y BrynDetached	£323,000, Apr 2014	213 m²	Buyer's report →
4, Heol Y BrynDetached	£105,000, Jun 1999	–	Buyer's report →
5, Heol Y BrynDetached	£200,000, Dec 2016	128 m²	Buyer's report →
7, Heol Y BrynDetached	£550,000, Jun 2025	195 m²	Buyer's report →
8, Heol Y BrynDetached	£320,000, May 2017	120 m²	Buyer's report →
9, Heol Y BrynDetached	£119,000, Mar 2002	–	Buyer's report →

Each report: sale history, today's estimate, energy rating, running costs and the questions for your solicitor.

More for buying: Where can I afford? · How much to offer · Buying checklist · Check your documents

Go deeper

Checking this postcode…

Buying at CF37 5EH

3 things to raise before an offer, and a street where the typical sale was £320k. In Trefforest.

3 to check1 clear£320k typical on Heol Y Bryn

Before you make an offer

Check

Radon: up to 10–30% of homes above the action levelThis 1 km square includes a radon affected area. Ask whether the home has been tested; a three-month test is simple and cheap, and only a test shows a home's level (UKHSA/BGS).

Check

Coal mining high-risk areaPast shallow mining or mine entries may affect building here. Your conveyancer should order a coal mining search (Coal Authority).

Check

Ground: landslides significantBGS rates the wider 5 km area for these; it describes the area, not the plot. Mention it to your surveyor, especially for an older home or big trees near the house.

Note

Busy road: A470, 910 m awayAbout 66,223 vehicles a day in 2025 (DfT traffic counts).

Clear

No river or sea flood risk recordedNot in the Environment Agency's high or medium risk areas. Surface water isn't included: check the exact address on GOV.UK.

Is the asking price fair?

£320ktypical sale on Heol Y Bryn, last 10 years

£1,746typical price per m² in Trefforest

£1,560–£2,820per m² for homes at CF37 5EH sold since 2015

Multiply a home's floor area (on its energy certificate) by £1,746 for a neighbourhood benchmark: 90 m² comes to about £157k. Check an asking price.

HM Land Registry sold prices; floor areas from energy certificates.

What homes cost and rent in Trefforest, by size

Size	Typical value today	Cheaper quarter	Estimated rent	Gross yield
1 bed	£99k	£68k	£550 a month	6.7%
2 beds	£153k	£123k	£720 a month	5.6%
3 beds	£164k	£136k	£770 a month	5.6%
4+ beds	£170k	£151k	£820 a month	5.8%
All homes	£161k	£134k	£760 a month	5.7%

Values: sales since 2021 of homes with an energy certificate (bedrooms estimated from its rooms), carried to today on the local price index; the cheaper quarter is what a quarter of them go for under. Rents are estimates: the council's typical private rent (ONS) adjusted for how values here compare. Gross yield = a year's rent ÷ value, before costs. Compare it with other places