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Allerby Flooding

Cumberland • Live river level monitoring on River Ellen
1 monitoring station
1 river
8 warning areas
🏠 Thinking of buying in Allerby? Get the detailed Property Flood-Risk Report for any Allerby postcode — official risk band, recorded floods since 1703, warning history, river behaviour and nearby storm overflows. £19 one-off, instant. Learn more →

Flood risk in Allerby today: Watch

Conditions are worth watching: heavy rain has fallen nearby (19.6 mm in the last 24 hours at Rainfall station). Keep an eye on updates if heavy rain continues.

Updated 2026-10-09 15:11:53 UTC · Official GOV.UK warnings · Flood preparation & help guide

About Allerby
Allerby
Hamlet in Cumbria, England

Allerby is a hamlet in the civil parish of Oughterside and Allerby, Cumbria, England.

From Wikipedia, the free encyclopedia (CC BY-SA 4.0). Photo: Wikimedia Commons
Flood Contacts
Floodline 24hr
0345 988 1188
Emergency
999
The map of Allerby’s gauges and flood maps loads as you reach it.
Recent Flood Events
3 Oct 2026 09:20 Flood Alert
Rivers Ehen, Calder, Irt and Esk
3 Oct 2026 09:16 Flood Alert
Rivers Ehen, Calder, Irt and Esk
2 Oct 2026 15:52 Flood Alert
Rivers Ehen, Calder, Irt and Esk
30 Sep 2026 08:52 Flood Alert
Coast from Gretna to Silloth
29 Sep 2026 15:27 Flood Alert
Coast from Gretna to Silloth
8 Jun 2026 16:59 Flood Alert
Upper River Derwent, Stonethwaite Beck and Derwent Water

Does it flood near Allerby?

Towns and villages near Allerby with a page of their own: the homes in a flood risk area there, the nearest river gauges, and recorded floods.

Maryport · Flimby · Seaton

Place names: Contains OS data © Crown copyright and database rights 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Contains National Statistics data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0.

The watercourse nearest Allerby

The nearest watercourse on the river map is the River Ellen, about 10 m from the middle of Allerby's gauges. It flows on to the sea.

A gauge downstream shows water that has already passed this point; one upstream sees it first. Distances along the river are from the point on the River Ellen nearest the middle of Allerby's gauges. From Ordnance Survey’s river map (OS Open Rivers), which leaves out small streams, ditches and culverts, so a nearer one may exist. This describes where water goes on the map; it says nothing about flooding at any address. Contains OS data © Crown copyright and database rights 2026.

Useful Links
Flood Monitoring in Allerby

Allerby is monitored by 1 Environment Agency river level station on the River Ellen, in Cumberland. Water levels are updated every 15 minutes, providing real-time flood monitoring for the area.

Monitoring Stations

The River Ellen is monitored by 1 station (Bull Gill). Each station records water levels continuously, with data synced to FloodRadar every 5 minutes.

Flood Warning Areas

There are 8 Environment Agency flood warning areas within 10km of Allerby. When the EA issues a flood warning for any of these areas, it will appear on this page. These include: Low lying areas along the coast from Silloth to St Bees Head including Allonby, Maryport, Flimby, Workington, Parton and Whitehaven; Silloth to St Bees including Maryport, Flimby, Workington and Whitehaven; Area including North Pier, Maryport Marina and Dock, North and South Quay and Strand Street; Residential and commercial properties adjacent to the River Derwent at Cockermouth, including Derwent Mills, Derwentside Gardens, Riverside Terrace, Wakefield Road, St Leonard's Close, Gote Road, Spital Ing Lane and Low Road areas.

Sewage Discharge Monitoring

There are 14 storm overflows within 5km of Allerby. None of the 13 with a reporting monitor are currently discharging (1 has no live status right now). Enable "Sewage" on the map above to see their locations.

6 of them, nearest first, with their own page of live status and past discharges:

What To Do During A Flood

If flooding is forecast in Allerby, call Floodline on 0345 988 1188 for the latest information. Move valuables upstairs, turn off gas and electricity if safe to do so, and avoid walking or driving through flood water. Sign up for flood warnings on any station page above to receive email alerts when water levels rise. For emergency numbers, a preparation checklist and insurance guidance, see our flood help & preparation guide.

How much rain falls on Allerby

Allerby gets about 1,054 mm of rain a year on average (wettest month October, 121 mm; driest April, 58 mm). That is close to the UK as a whole, which averages 1,163 mm a year. See the rain gauges →

A thirty-year average for the area, not a forecast and not a flood risk on its own. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 2.2 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.

Recorded floods near Allerby

Floods whose mapped extent (EA Recorded Flood Outlines) reached within ~5 km of the town centre — most recent first. These are records of mapped extents, not a full list of floods. See them on the map →

  • 2020-02-09 — Storm Ciara 09_02_2020 (Main river)
  • 2017-10-11 — 11/10/2017 Surface Water Flooding - Crosshow (Other)
  • 2015-12-05 — Hayton 05_12_2015
  • 2015-12-05 — Aspatria 05_12_2015 (Other)
  • 2015-12-05 — Maryport 05_12_2015 (Other)
  • 2015-12-05 — Crosby, Maryport 05_12_2015 (Main river)
  • 2015-12-05 — Allonby 05_12_2015 (Other)
  • 2015-12-05 — Bullgill 05_12_2015 (Main river)
  • 2009-11-19 — Rose Gill Mill November 2009 Flooding (Main river)
  • 2005-10-12 — Rose Gill 12_10_2005 (Main river)
  • 2005-10-12 — Dearham Bridge 12_10_2005 (Main river)
  • 2005-01-08 — Dearham Bridge 08_01_2005 (Main river)

Records, not floods: no outline on the record is not evidence a place has not flooded.

Frequently asked questions

Is there flooding in Allerby today?

Current verdict: Watch. Conditions are worth watching: heavy rain has fallen nearby (19.6 mm in the last 24 hours at Rainfall station). Keep an eye on updates if heavy rain continues.

Which rivers affect Allerby?

Allerby has river level monitoring on River Ellen — 1 monitoring station in total.

How do I check official flood warnings for Allerby?

Use the GOV.UK Check for Flooding service (check-for-flooding.service.gov.uk) or call Floodline on 0345 988 1188 (24 hours). You can also set up free FloodRadar email or browser alerts from any station page above.

What should I do during a flood warning?

Follow official advice: move valuables and vehicles to safety, never walk or drive through flood water, turn off gas and electricity if safe, and check on vulnerable neighbours. See our flood preparation guide at floodradar.co.uk/flood-help.

Has Allerby flooded before?

Yes — the Environment Agency's Recorded Flood Outlines dataset shows 6 recorded flood extents around the town centre since 1703, most recently in 2005. That is a count of mapped extents, not of separate floods. Records, not floods: no outline on the record is not evidence a place has not flooded. See the flood history link below.

🏠 Buying or renting around here? Get the Property Flood-Risk Report for any English postcode — official risk band, recorded floods, warning history, river behaviour and nearby storm overflows. £19 one-off. Learn more →