Postcodes in Gosport

PO12 and PO13: what the postcode covers

Gosport falls primarily within the PO12 postcode district, with the western part of the borough, including Rowner and the areas bordering Lee-on-the-Solent, covered by PO13.

PO12 covers the main body of the town: the town centre, Alverstoke, Haslar, Hardway, Forton, Elson, Brockhurst, Anglesey, and Stokes Bay. This is by far the larger of the two postcodes within the borough and covers the majority of the residential, commercial, and military areas.

PO13 covers the western fringe of the borough, including the Rowner estate and the areas that merge with Lee-on-the-Solent. Lee-on-the-Solent itself is also PO13, so the postcode straddles the border between the two communities.

The postcode is relevant for several practical purposes beyond mail delivery. Insurance quotes, broadband availability checks, school catchment areas, and council tax bands all use postcode data. Estate agents routinely use the postcode as a search parameter, and property portals default to postcode-based searches.

Gosport's PO12 postcode has historically been associated with lower property values compared to other PO postcodes, which has both disadvantages (insurance and perception) and advantages (affordability for buyers). The stigma attached to certain postcodes is gradually diminishing as property portals and data services provide more granular information about specific streets and areas.

For deliveries, Gosport is well served by the major carriers. The Royal Mail sorting office handles PO12 and PO13, and delivery services generally reach all parts of the borough without difficulty. The peninsula geography does not cause delivery problems, as the road network within the borough is straightforward.

When giving your address, 'Gosport, Hampshire, PO12' is the standard format for the main town, with 'PO13' used for the Rowner and western areas.