← LL21 area guide Side by side

LL21 or LL23?

Two neighbouring postcode districts compared on sold prices, energy, flood risk, crime and deprivation, all from the same official sources as every report on this site.

The short version
LL21
Denbighshire
LL23
Gwynedd
Median home sale nearby £120,000
from 15 sales
£158,000
from 32 sales
Average sold price
Area price growth (YoY) +3.6% (Denbighshire) +5.7% (Gwynedd)
Dwelling type End-terrace house
Floor area 149 m²
Built Before 1900
Energy rating C
Heating cost (EPC est.) £1664/yr
Flood zone Zone 1 (low probability) Zone 1 (low probability)
Crime nearby 2 recorded 18 recorded
Deprivation decile

Common questions

Is LL21 or LL23 cheaper?

LL21 is the cheaper of the two. Homes around LL21 sell for about £120,000 and around LL23 for about £158,000, from HM Land Registry records of what actually changed hands.

Which has less crime, LL21 or LL23?

LL21 recorded fewer crimes in the same period (2 in LL21 against 18 in LL23, Police.uk). Busier places record more, so read this alongside how built-up each area is rather than on its own.

Should I buy in LL21 or LL23?

That depends on what you need, and no dataset answers it. What this page gives you is the evidence side by side: what homes actually sell for, the energy ratings, the flood zone, recorded crime and deprivation, each traced to the body that published it.

A quick side-by-side snapshot only. Open each property's full report for the complete picture.