PE21 postcode district

Postcodes and sectors

1,118 of the district's 1,511 postcodes are live in the ONS Postcode Directory of August 2026. A postcode directory says whether a code is in use, never who is there. The live postcodes centre on 52.97427, -0.02391, which locates the district, not a building.

Companies registered in PE21

Companies House lists 2,301 companies with a registered office in PE21; 312 of them at addresses shared by 25 or more companies (1 October 2026 snapshot). 25 is the count at which the address lookup reports a company cluster.

Places OS Open Names lists for PE21

• Boston
• Lincolnshire
• East Midlands
• Fishtoft
• Hall Hills
• Willoughby Hills

Roads filed under PE21

Named roads first, then numbered ones. A road is filed under one district even where it runs through several, so a street missing here may be listed under a neighbouring district — which is why the address lookup never calls a British street absent. Great Britain has no open register of buildings, so a listed road never means a building on it exists.

• Acacia Way
• Albert Street
• Albert Terrace
• Alcorn Green
• Alderfield Close
• Alder Grove
• Alfred Street
• Allerton Court
• Allington Garden
• Almond Close
• Almond Walk
• Amberley Crescent
• Angel Court
• Arbella Road
• Archer Lane
• Archibald Walk
• Arcott Drive
• Argyle Street
• Armfield Close
• Artillery Row
• Arundel Crescent
• Ashlawn Drive
• Ashton Hall Drive
• Bain Road
• Bank Side
• Bank Street
• Bartol Crescent
• Bath Gardens
• Bayford Green
• Bayswood Avenue
• Beadman's Lane
• Bell Court
• Belton Close
• Berkeley Place
• Birch Close
• Birch Way
• Bittern Way
• Blacksmiths Grove
• Blackthorn Lane
• Bluebell Walk
• Blue Cedar Drive
• Blue Street
• Boardsides
• Bond Street
• Bonner's Lane
• Booth's Passage
• Botolph Street
• Bowman Close
• Brackenburry Way
• Bradford Road
• Brady Street
• Bramley Lane
• Brewster Road
• Bridge Street
• Bridle Close
• Broadfield Lane
• Broadfield Street
• Brothertoft Road
• Brown's Road
• Buckingham Close

Check an address in PE21

Check an address in PE21

The same road list through the API, from the outward code alone:

curl "https://spaw.co/api/v1/address/streets?country=GB&postal_code=PE21" \
  -H "Authorization: Bearer $SPAW_KEY"

Common questions about PE21

What does a PE21 postcode tell you?

That the address lies in the PE21 district of the PE (Peterborough) postcode area, and the place OS Open Names most often lists first for its postcodes is Boston. The district alone does not place a street: the inward half of the full postcode narrows the address to one of the district's 1,118 live postcodes.

Where the counts come from

• ons-postcode-directory · version 2026-08 · Contains ONS, OS and Royal Mail data © Crown copyright and database right 2026, Open Government Licence v3.0. Northern Ireland postcodes are excluded: their reuse needs a Land & Property Services licence.
• os-open-names · version 2026-11-01 · Contains OS data © Crown copyright and database right 2026, Open Government Licence v3.0.
• uk-companies-house · version 2026-10-01 · Companies House free company data product, Open Government Licence v3.0

What each figure means, and what a district page never says, is set out in Reading a British postcode district page; the glossary defines a postcode district, a postcode area, a postcode directory and a street register.

Data synced on 2026-11-01: the newest version among the datasets listed above.

Districts nearest PE21

• PE207.2 km
• PE229.6 km
• PE1120.9 km
• PE1221.2 km
• PE2323.3 km
• LN1024.2 km
• NG3424.8 km
• LN927.7 km
• PE2428.6 km
• LN430.8 km
• PE2531.2 km
• PE1032.5 km
• Every district
• How a British address is written
• Check any address

distance between the districts' centroids