GL3 postcode district: Brockworth and around, Gloucestershire

GL3 is a postcode district in Gloucestershire, with 1,073 postcodes in use in 6 sectors. It has postcodes in Brockworth, Innsworth, Gloucester and 1 more place. It is split between 3 councils: Tewkesbury (864 postcodes), Gloucester (185) and Stroud (24).

Postcodes in use: 1,073
Sectors: 6
Councils: 3 councils
Places: 4 places

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

Every postcode in GL3, and which are new since 2020

New since 2020: 146
In use before 2020: 927
Outline: where 5 or more new postcodes since 2020 lie together

Of the 1,073 postcodes in GL3 that ONS places, 146 are new since 2020 and 927 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. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and 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 51.8636, longitude -2.1774. 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

GL3 1QWJuly 2026 GL3 1QXJuly 2026 GL3 1QYJuly 2026 GL3 1QZJuly 2026 GL3 1RAJuly 2026

Where the new postcodes lie together

51 new postcodes since 2020, outlined on the map. GL3 1QT, is the newest of them.
27 new postcodes since 2020, outlined on the map. GL3 1QW, is the newest of them.
16 new postcodes since 2020, outlined on the map. GL3 4ZT, is the newest of them.
14 new postcodes since 2020, outlined on the map. GL3 9JF, is the newest of them.
12 new postcodes since 2020, outlined on the map. GL3 4WZ, is the newest of them.
9 new postcodes since 2020, outlined on the map. GL3 5AA, is the newest of them.

What broadband can you get in GL3?

Ofcom reports on 1,022 of the 1,073 postcodes in GL3. At 742 of them every home and business can get gigabit broadband.

Postcodes where every home can get gigabit742 of 1,022

Postcodes where every home can get superfast792 of 1,022

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 GL3 at risk of flooding?

35 of the 1,073 postcodes in GL3 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 64 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 35 of 1,073 postcodes High: 17Medium: 47Low: 108

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 GL3?

Homes in GL3 sold for a typical £300,000 in the 12 months to August 2026, across 505 sales, no change on the 12 months before, HM Land Registry's figures show.

£300,000 typical price, the 12 months to August 2026

£300,000 12 months to August 2025

■ no change on the 12 months before

Detached £421,000 118 sales
Semi-detached £302,000 235 sales
Terraced £255,000 105 sales
Flat or maisonette £155,500 47 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