Before you offer on a home on Holly Street: 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 street.
2 things to raise before an offer (checked at CF37 5DA), and a street where the typical sale was £156k. In Taff's Well & Nantgarw.
2 to check2 clear£156k typical on Holly Street
Postcodes on Holly Street
Checks tied to a spot (flood, radon, ground, noise, distances) are measured at CF37 5DA, where most of the street's homes are. A long street can differ from end to end: open a postcode for its own buying page.
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
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
On a coalfieldA coal mining search is usual here, though this spot is outside the high-risk area (Coal Authority).
Note
Busy road: A470, 620 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.
Clear
Gigabit broadband100% of premises in the postcode can get it (Ofcom).
£2,565typical price per m² in Taff's Well & Nantgarw
£1,130–£2,160per m² for homes on Holly Street sold since 2015
Multiply a home's floor area (on its energy certificate) by £2,565 for a neighbourhood benchmark: 90 m² comes to about £231k. Homes on Holly Street have sold below it. Check an asking price.
HM Land Registry sold prices; floor areas from energy certificates.
Trend
Prices in Taff's Well & Nantgarw
Taff's Well & Nantgarw
+51% over ten years (2015 to 2025).
Typical (median) sale price each year, all home types, HM Land Registry.
Each report: sale history, today's estimate, energy rating, running costs and the questions for your solicitor.
What homes cost and rent in Taff's Well & Nantgarw, by size
Size
Typical value today
Cheaper quarter
Estimated rent
Gross yield
1 bed
£116k
£97k
£580 a month
6.0%
2 beds
£196k
£166k
£800 a month
4.9%
3 beds
£219k
£179k
£860 a month
4.7%
4+ beds
£290k
£203k
£1,020 a month
4.2%
All homes
£213k
£172k
£850 a month
4.8%
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