Windsor · SL4
EPC in SL4 (Boveney)? We'll point you the right way.
Covering Boveney, Clewer, Cranbourne, Dorney, Eton, Eton Wick, Fifield, Oakley Green, Old Windsor, Spital, Windsor, Berkshire, Winkfield, Woodside, including Ascot & Sunninghill, Bray, Burnham. Find accredited domestic energy assessors nearby.
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Request an EPC in SL4 (Boveney)
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Request an EPC in SL4 (Boveney)
How to check an EPC assessor is registered: see the Windsor page.
SL4 (Boveney) in a nutshell
SL4 covers Boveney, Clewer, Cranbourne, Dorney, Eton, Eton Wick, Fifield, Oakley Green, Old Windsor, Spital, Windsor, Berkshire, Winkfield, Woodside, in Bracknell Forest and Buckinghamshire and Runnymede and Slough and Windsor and Maidenhead. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for SL4
Two councils in one district
SL4 is split between Bracknell Forest and Buckinghamshire and Runnymede and Slough and Windsor and Maidenhead. Some councils run their own landlord licensing, so check which one your home is in.
Where's this from?
postcodes.io (ONSPD) local authorityGive your full postcode
SL4 stretches across Ascot & Sunninghill, Bray, Burnham and more, so give your full postcode, not just 'SL4', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsTerrace and semi country
Most homes here are terraces or semis. Insulation and heating upgrades are the usual way to nudge a rating up, so have receipts ready.
Where's this from?
ONS Census 2021, Windsor: 27.0% terraced, 25.5% semi-detachedEngland landlord rules: quick version
- When you let: you need a valid EPC, usually good for 10 years.
- Minimum E: most private lets need E or better, unless exempt.
More detail on the Windsor page. Always double-check on GOV.UK.
Next door to SL4
← Energy Performance Certificate (EPC) across Windsor · all areas
Frequently asked questions
Which areas does SL4 cover?
SL4 (Boveney, Clewer, Cranbourne, Dorney, Eton, Eton Wick, Fifield, Oakley Green, Old Windsor, Spital, Windsor, Berkshire, Winkfield, Woodside) includes the wards of Ascot & Sunninghill, Bray, Burnham, Cippenham Village, Clewer & Dedworth East, Clewer & Dedworth West, Clewer East, Englefield Green West, Eton & Castle, Old Windsor, Winkfield & Warfield East (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to SL4?
Neighbouring districts include SL1 (Burnham), SL2 (Farnham Common), SL3 (Colnbrook), SL5 (Ascot) (ONS Postcode Directory via Doogal). A pro covering SL4 may well cover these too, so it's worth asking.
How many homes are in SL4?
About 18,061 households and 43,302 residents at the 2011 Census, across 1,376 active postcodes (Doogal / ONS Postcode Directory).
Which council area is SL4 in?
SL4 sits in Bracknell Forest, Buckinghamshire, Runnymede, Slough, Windsor and Maidenhead (postcodes.io). Parliamentary constituency: Beaconsfield, Maidenhead, Slough, Windsor.
📊 The numbers behind this page
- Postcode district
- SL4 1
- Areas covered
- Boveney, Clewer, Cranbourne, Dorney, Eton, Eton Wick, Fifield, Oakley Green, Old Windsor, Spital, Windsor, Berkshire, Winkfield, Woodside 2
- Active postcodes
- 1,376 3
- Households (2011 Census, via Doogal)
- 18,061 2
- Population (2011 Census, via Doogal)
- 43,302 2
- Electoral wards
- Ascot & Sunninghill, Bray, Burnham, Cippenham Village, Clewer & Dedworth East, Clewer & Dedworth West, Clewer East, Englefield Green West … 4
- Parliamentary constituencies
- Beaconsfield, Maidenhead, Slough, Windsor 4
- Local authority
- Bracknell Forest, Buckinghamshire, Runnymede, Slough, Windsor and Maidenhead 4
- Households privately renting (Windsor built-up area)
- 25.0% 5
- ONS Postcode Directory
- Doogal
- Doogal / ONSPD
- postcodes.io
- ONS Census 2021
Made with open data. See where it all comes from. Updated 26 October 2026.