| Postcode | NE26 4QZ | 
|---|---|
| Post Town | Whitley Bay | 
| Nearest station | Cramlington (8 km) | 
| Bus stops | Millway (N) Post Office (N) Millway (S) Hartley Square (N) | 
| Roads in this postcode | |
| Number of UPRNs | 41 View | 
| Known addresses | Seaton Sluice & District Social Club Ltd, Collywell Bay Road, Seaton Sluice Tower House, 10 Collywell Bay Road, Seaton Sluice 13 Collywell Bay Road, Seaton Sluice 15 Collywell Bay Road, Seaton Sluice 17 Collywell Bay Road, Seaton Sluice 18 Collywell Bay Road, Seaton Sluice 19 Collywell Bay Road, Seaton Sluice 20 Collywell Bay Road, Seaton Sluice 21 Collywell Bay Road, Seaton Sluice 21A Collywell Bay Road, Seaton Sluice 22 Collywell Bay Road, Seaton Sluice 23 Collywell Bay Road, Seaton Sluice 24 Collywell Bay Road, Seaton Sluice 25 Collywell Bay Road, Seaton Sluice 28 Collywell Bay Road, Seaton Sluice 29 Collywell Bay Road, Seaton Sluice 32 Collywell Bay Road, Seaton Sluice | 
| Main property type | Flat | 
| Businesses | 
| Latitude | 55.083211 | |
|---|---|---|
| Longitude | -1.47213 | |
| Easting | 433796 | |
| Northing | 576657 | |
| Grid reference | NZ337766 | |
| UTM reference | 30U 597529 6105117 | |
| what3words | sang.ruby.plants | |
| FixPhrase | crusader lyrics struggle trombone | |
| Plus code | 9C7W3GMH+74 | |
| Altitude | 14 metres (47 feet) | |
| Sunrise (today) | 7:08 | |
| Sunset (today) | 16:32 | |
| Distance away | ||
| Distance to sea | 0.3 KMs (0.2 miles) | 
| Parish | Seaton Valley | E04012897 | 
|---|---|---|
| Ward | Hartley | E05016112 | 
| Unitary Authority | Northumberland | E06000057 | 
| County | Northumberland | E11000021 | 
| Constituency (2024) | Cramlington and Killingworth | E14001183 | 
| MP | Emma Foody | Labour | 
| Police force | Northumbria | |
| Water company | Northumbrian Water | |
| NUTS/ITL 3 | Northumberland | |
| NUTS/ITL 2 | Northumberland, Durham and Tyne & Wear | |
| NUTS/ITL 1 | North East | |
| Country | England | E92000001 | 
| Date introduced | January 1980 | 
|---|---|
| Last updated | September 2025 | 
| User type | Small (addresses receive less than 25 items of mail per day) | 
| Quality | Within the building of the matched address closest to the postcode mean | 
| Population (2011) | 43 | |
|---|---|---|
| Households (2011) | 23 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Larger rural: Nearer to a major town or city | |
| Rural/urban (2011) | Rural town and fringe | |
| Built up area (2024) | Seaton Sluice | E63007146 | 
| Census output area (2021) | E00139529 | |
| Census output area (2011) | 5A1 | |
| Lower layer super output area (2021) | Northumberland 030C | E01027419 | 
| Lower layer super output area (2011) | Northumberland 030C | E01027419 | 
| Middle layer super output area (2021) | Holywell & Hartley | E02005717 | 
| Middle layer super output area (2011) | Holywell & Hartley | E02005717 | 
| Travel to work area | Newcastle | E30000245 | 
| Average property price in Newcastle upon Tyne | £193,693 | 
|---|---|
| Annual change | 2.8% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 18 Collywell Bay Road, Seaton Sluice | Flat (leasehold) | Jul 2025 | £150,000 | 
| Flat (leasehold) | Aug 2020 | £118,000 | |
| Flat (leasehold) | Sep 2014 | £100,000 | |
| 28 Collywell Bay Road, Seaton Sluice | Terraced (freehold) | Jun 2025 | £357,000 | 
| Terraced (freehold) | Jul 2021 | £260,000 | |
| Terraced (freehold) | Nov 2005 | £215,000 | |
| Terraced (freehold) | May 2003 | £95,000 | |
| Terraced (freehold) | Jan 2002 | £92,500 | |
| 29 Collywell Bay Road, Seaton Sluice | Terraced (freehold) | Apr 2025 | £350,000 | 
| Terraced (freehold) | May 2001 | £69,950 | |
| Terraced (freehold) | Oct 1998 | £56,500 | |
| 13 Collywell Bay Road, Seaton Sluice | Flat (leasehold) | Nov 2022 | £180,000 | 
| Flat (leasehold) | Jul 2006 | £102,000 | |
| Flat (leasehold) | Mar 2000 | £32,000 | |
| 19 Collywell Bay Road, Seaton Sluice | Other (freehold) | Aug 2022 | £89,000 | 
| Flat (leasehold) | Jun 2014 | £133,000 | |
| Flat (leasehold) | Jul 1999 | £26,000 | |
| 20 Collywell Bay Road, Seaton Sluice | Other (leasehold) | Aug 2022 | £89,000 | 
| Flat (leasehold) | Nov 2006 | £77,500 | |
| 21 Collywell Bay Road, Seaton Sluice | Flat (leasehold) | Jan 2022 | £70,000 | 
| Flat (leasehold) | Mar 2003 | £25,000 | |
| 32 Collywell Bay Road, Seaton Sluice | Terraced (freehold) | Sep 2019 | £220,000 | 
| Terraced (freehold) | Jul 2007 | £175,000 | |
| Seaton Sluice & District Social Club Ltd, Collywell Bay Road, Seaton Sluice | Other (leasehold) | Jun 2018 | £90,000 | 
| 17 Collywell Bay Road, Seaton Sluice | Flat (leasehold) | Mar 2016 | £115,000 | 
| Flat (leasehold) | Sep 2007 | £125,000 | |
| Flat (leasehold) | Jul 1997 | £28,000 |