CH8 9SN Flintshire
Live postcode, introduced January 1980. Ward: Llanasa and Trelawnyd.
Streets
- Lewis Terrace, Ffynnongroyw: 57 addresses
- Main Road, Ffynnongroyw: 5 addresses
- Garth Lane, Sir y Fflint - Flintshire: 1 address
- Williams Place, Ffynnongroyw: 1 address
Council tax
What each band costs in Flintshire in 2026-27: Band D £2,376 a year on average, including the police and community council charges.
| A | B | C | D | E | F | G | H | I |
|---|---|---|---|---|---|---|---|---|
| £1,584 | £1,848 | £2,112 | £2,376 | £2,904 | £3,432 | £3,960 | £4,752 | £5,544 |
Homes by band in the neighbourhood around this postcode: most are in band B (37% of about 1,000 homes).
Planning and heritage
- Conservation area: yes, Ffynnongroyw. Extensions, demolition, some windows and doors, and work on trees need consent.
- Listed buildings within 100 m of this postcode: 1.
- Article 4 directions, tree preservation orders and green belt: Wales has no national record of these; the council's planning department holds them.
Listed buildings
- Church of All Saints, grade II
Flood risk
Rivers, the sea or surface water: of the 64 address points in this postcode, 14 at high risk, 0 at medium risk and 11 at low risk. Each counts once, at the higher of its rivers-and-sea and surface-water risk.
Rivers and the sea alone: 0 at high risk, 0 at medium risk and 2 at low risk. Surface water and small watercourses alone: 14 at high risk, 0 at medium risk and 9 at low risk.
High: 3.3% (1 in 30) or more chance of flooding a year. Medium: 1% to 3.3%. Low: 0.1% to 1%. The map allows for flood defences. Address points are every property record (UPRN) in the postcode, each counted if it is in an area or within 5 m of one (the maps stop at building walls); a few are not homes, such as garages, business units or caravan pitches. Counts cover whole postcodes, which can include other streets.
Flood zone for planning: the postcode centre is in flood zone 3. Zone 3 is a 1% (1 in 100) or greater annual chance of flooding from rivers, or 0.5% from the sea, ignoring defences. Welsh zones include an allowance for climate change.
Broadband
Superfast 100%, ultrafast 98%, gigabit 98% of premises; 0% cannot get 10 Mbit/s. Ofcom Connected Nations, data as at January 2026.
The full dossier for this postcode's main street is on Lewis Terrace.