CB10 postcode district: Saffron Walden and around

CB10 is a postcode district mostly in Essex, with 577 postcodes in use in 3 sectors. It has postcodes in Saffron Walden. It is split between 2 councils: Uttlesford (543 postcodes) and South Cambridgeshire (34). 543 are in Essex and 34 in Cambridgeshire.

Postcodes in use: 577
Sectors: 3
Councils: 2 councils
Places: Saffron Walden

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

Every postcode in CB10, and which are new since 2020

New since 2020: 45
In use before 2020: 532
Outline: where 5 or more new postcodes since 2020 lie together

Of the 577 postcodes in CB10 that ONS places, 45 are new since 2020 and 532 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 180 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 52.0292, longitude 0.2622. 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

CB10 2TTJuly 2026 CB10 9GUJune 2026 CB10 1FZApril 2026 CB10 9GSApril 2026 CB10 2TRFebruary 2026

Where the new postcodes lie together

12 new postcodes since 2020, outlined on the map. CB10 9GU, is the newest of them.
7 new postcodes since 2020, outlined on the map. CB10 1FZ, is the newest of them.
5 new postcodes since 2020, outlined on the map. CB10 2TS, is the newest of them.
5 new postcodes since 2020, outlined on the map. CB10 2SL, is the newest of them.

What broadband can you get in CB10?

Ofcom reports on 492 of the 577 postcodes in CB10. At 247 of them every home and business can get gigabit broadband, and at 11 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit247 of 492

Postcodes where every home can get superfast401 of 492

Postcodes where some cannot get decent broadband11 of 492

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 CB10 at risk of flooding?

83 of the 577 postcodes in CB10 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 164 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 83 of 577 postcodes High: 117Medium: 47Low: 356

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 CB10?

Homes in CB10 sold for a typical £485,000 in the 12 months to August 2026, across 150 sales, up 2.1% on the 12 months before, HM Land Registry's figures show.

£485,000 typical price, the 12 months to August 2026

£475,000 12 months to August 2025

▲ up 2.1% on the 12 months before

Detached £716,250 62 sales
Semi-detached £427,500 36 sales
Terraced £327,500 36 sales
Flat or maisonette £220,741 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