LN — Lincoln
Who supplies water in the LN postcode area?
Anglian Water and Severn Trent supply addresses in LN, which covers Lincoln, Gainsborough, Sleaford, Louth and Market Rasen. Water is not a market you can shop in — the supplier comes with the address.
Anglian Water
Water and sewerageSupplies water and takes waste water across the east of England, from Lincolnshire and Northamptonshire down to Essex. It is the largest water and sewerage company in England and Wales by area.
Severn Trent
Water and sewerageSupplies water and takes waste water across the Midlands, from the Bristol Channel to the Humber, including Birmingham, Coventry, Derby, Leicester and Nottingham.
More than one company appears here either because LN straddles a boundary, or because one company supplies the drinking water while another takes the waste water away. Your bill will say which applies to your address.
Places in the LN postcode area
A sample, not the full list. LN is the postcode area — the letters before the first digit — so it covers every LN outward code.
Check a different postcode
A few useful answers
Common questions
Who supplies water in the LN postcode area?
Anglian Water and Severn Trent supply parts of the LN postcode area. The supplier is decided by where the property is, not by who lived there before you.
Can I switch water supplier in LN?
No. Household water supply is not a competitive market anywhere in the UK — there is one supplier for each address and no tariff to compare. What you can change is how you are charged, by asking for a meter.
Why does this page list more than one company for LN?
A postcode area can straddle a boundary, and in much of England the company that supplies the taps is not the one that takes the waste water away. Both appear here so you can check which applies to your address.
Do I need to open a water account when I move in?
Yes. Tell the supplier the day your tenancy starts and give an opening meter reading if the property has a meter, so you are not billed for what the last tenant used.
Where to confirm this
We hold the supplier at postcode-area level, which is coarse enough to be wrong at a boundary. These are the industry's own sources, and they settle it for a specific address.
- Water UK: find your supplier ↗
- the Consumer Council for Water: complaints and advice ↗
- Discover Water: bills by company ↗Sector average £639 a year for 2026–27.
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