Bacteriostatic water in Windsor and Maidenhead

Local facts for Windsor and Maidenhead

Windsor and Maidenhead is a local authority area in South East. Its central point falls in the SL4 postcode district.

SL4 is a mainland UK district, so orders to Windsor and Maidenhead go out on next-day UK delivery. How we deliver.

Nearest universities with REF 2021 research submissions in Biological Sciences or Chemistry:

• Royal Holloway and Bedford New College, Biological Sciences, 9.8 km
• The University of Reading, Biological Sciences & Chemistry, 19.1 km
• Imperial College of Science, Technology and Medicine, Biological Sciences & Chemistry, 34.7 km

Straight-line distance. Listed for local context only; no affiliation implied.

Further universities within 80 km of Windsor and Maidenhead with REF 2021 submissions in these units:

• Institute of Cancer Research: Royal Cancer Hospital (The) (UKPRN 10003324): Biological Sciences, 34.8 km east
• Institute of Zoology (UKPRN 10009315): Biological Sciences, 36.5 km east
• University College London (UKPRN 10007784): Biological Sciences & Chemistry, 37.9 km east
• Birkbeck College (UKPRN 10007760): Biological Sciences, 38.1 km east
• King's College London (UKPRN 10003645): Biological Sciences & Chemistry, 39 km east
• Queen Mary University of London (UKPRN 10007775): Biological Sciences & Chemistry, 44.3 km east
• University of Greenwich (UKPRN 10007146): Chemistry, 46.6 km east
• Oxford Brookes University (UKPRN 10004930): Biological Sciences, 48.5 km north-west

Nearby: Windsor (4.6 km), Eton (4.8 km), Maidenhead (5.6 km), Slough (6.6 km), Ascot (7.7 km).

Regional hub: Southampton.

Windsor and Maidenhead lies north-east of Southampton, about 81.6 km in a straight line.

Other location pages in the SL postcode area (10 of the 298 we list for South East):

• SL, 5.6 km
• Slough, SL1, 6.6 km
• Marlow, SL7, 12.3 km
• Gerrards Cross, SL9, 14.6 km

Postcode districts in the SL area covered by our South East location pages: SL1, SL4, SL5, SL6, SL7, SL9.

More nearby location pages in South East (within 50 km; straight line, nearest first):

Also in Windsor and Maidenhead (5 location pages): Windsor 4.6 km, Eton 4.8 km, Maidenhead 5.6 km, Ascot 7.7 km.

Nearest location page in each direction from Windsor and Maidenhead: north, SL (5.6 km); east, Windsor (4.6 km); south, Ascot (7.7 km); west, Maidenhead (5.6 km).

Location pages in South East within 10 km of Windsor and Maidenhead: 9; within 25 km: 48; within 50 km: 92.

Map reference: 51.4803, -0.6770.

Sources: OS Open Names and ONS Postcode Directory (OGL), OpenStreetMap (ODbL), REF 2021, Parcelforce zone list. Updated 12 Oct 2026.