← BN21 area guide Side by side

BN21 or BN23?

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
BN21
Eastbourne
BN23
Eastbourne
Median home sale nearby £195,000
from 162 sales
£252,000
from 80 sales
Average sold price £128,734 £57,800
Area price growth (YoY) -3.7% (Eastbourne) -3.7% (Eastbourne)
Dwelling type End-terrace house Mid-floor flat
Floor area 263 m² 54 m²
Built Before 1900 1950–1966
Energy rating D C
Heating cost (EPC est.) £2674/yr £310/yr
Flood zone Zone 1 (low probability) Zone 1 (low probability)
Crime nearby 684 recorded 180 recorded
Deprivation decile 5 of 10 3 of 10

Common questions

Is BN21 or BN23 cheaper?

BN21 is the cheaper of the two. Homes around BN21 sell for about £195,000 and around BN23 for about £252,000, from HM Land Registry records of what actually changed hands.

Which has less crime, BN21 or BN23?

BN23 recorded fewer crimes in the same period (684 in BN21 against 180 in BN23, Police.uk). Busier places record more, so read this alongside how built-up each area is rather than on its own.

Is BN21 or BN23 the more affluent area?

On the Index of Multiple Deprivation, BN21 sits in decile 5 of 10 and BN23 in decile 3, where 10 is the least deprived.

Should I buy in BN21 or BN23?

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.