GU31 postcode district: Petersfield and around

GU31 is a postcode district mostly in Hampshire, with 432 postcodes in use in 2 sectors. It has postcodes in Petersfield and Hill Brow and Rake. It is split between 2 councils: East Hampshire (267 postcodes) and Chichester (165). 267 are in Hampshire and 165 in West Sussex.

Postcodes in use: 432
Sectors: 2
Councils: 2 councils
Places: 2 places

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in GU31, and which are new since 2020

New since 2020: 8
In use before 2020: 424

Of the 432 postcodes in GU31 that ONS places, 8 are new since 2020 and 424 were in use before 2020.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. New since 2020 means it came into use in January 2020 or later. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

The middle of its postcodes: latitude 50.9970, longitude -0.9033. Open this area on OpenStreetMap

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; when each came into use: the same directory; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

The 5 newest postcodes

GU31 4GDNovember 2023 GU31 4GEOctober 2023 GU31 5DYSeptember 2023 GU31 5DZFebruary 2023 GU31 4GFAugust 2022

What broadband can you get in GU31?

Ofcom reports on 428 of the 432 postcodes in GU31. At 188 of them every home and business can get gigabit broadband, and at 7 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit188 of 428

Postcodes where every home can get superfast350 of 428

Postcodes where some cannot get decent broadband7 of 428

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

Is GU31 at risk of flooding?

19 of the 432 postcodes in GU31 have a home or business in an area at risk of flooding from rivers or the sea, the Environment Agency says. At those, it puts 20 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 19 of 432 postcodes High: 13Medium: 7Low: 55Very low: 5

High: 3.3% or more a year (1 in 30). Medium: 1% to 3.3% a year. Low: 0.1% to 1% a year. Very low: under 0.1% a year (1 in 1,000). Each band is the chance of flooding in any one year.

Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it

What do homes sell for in GU31?

Homes in GU31 sold for a typical £575,000 in the 12 months to August 2026, across 123 sales, up 19.8% on the 12 months before, HM Land Registry's figures show.

£575,000 typical price, the 12 months to August 2026

£480,000 12 months to August 2025

▲ up 19.8% on the 12 months before

Detached £710,000 59 sales
Semi-detached £450,000 26 sales
Terraced £412,500 22 sales
Flat or maisonette £285,000 16 sales

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it