Alwinton ALNWICK 0 0 6 Elsdon Stanton Morpeth CASTLE MORPETH Whalton WANSBECK Blyth 0 8 5 Kirkheaton BLYTH VALLEY Whitley Bay NORTH TYNESIDE NEWCASTLE UPON TYNE Acomb Newton Newcastle upon Tyne 0 GATESHEAD 6 Dye House Gateshead 5 Slaley Sunderland SUNDERLAND Stanley Consett Edmundbyers CHESTER-LE-STREET Seaham DERWENTSIDE DURHAM Peterlee 0 Thornley 4 Westgate 5 WEAR VALLEY Thornley Wingate Willington Spennymoor Trimdon Hartlepool Bishop Auckland SEDGEFIELD Sedgefield HARTLEPOOL Holwick Shildon Billingham Redcar Newton Aycliffe TEESDALE Kinninvie 0 Stockton-on-Tees Middlesbrough 2 Skelton 5 Loftus DARLINGTON Barnard Castle Guisborough Darlington Eston Ellerby Gilmonby Yarm Whitby Hurworth-on-Tees Stokesley Gayles Hornby Westerdale Faceby Langthwaite Richmond SCARBOROUGH Goathland 0 0 5 Catterick Rosedale Abbey Fangdale Beck RICHMONDSHIRE Hornby Northallerton Leyburn Hawes Lockton Scalby Bedale HAMBLETON Scarborough Pickering Thirsk 400 420 440 460 480 500 The shading indicates the maximum requirements for radon protective measures in any location within each 1-km grid square to satisfy the guidance in Building Regulations Approved Document C. The requirement for an existing building with a valid postal address can be obtained for a small charge from www.ukradon.org. The requirement for a site without a postal address is available through the British Geological Survey GeoReports service, http://shop.bgs.ac.uk/GeoReports/. Level of protection required Settlements Roads National Grid None Sunderland Motorways 100-km 10-km Basic Primary Roads Other Features Peterlee Full A Roads LOCAL ADMINISTRATIVE DISTRICT Yarm B Roads Water features Slaley Map 19 Teeside, Tyneside and Wearside, 100-km grid square NZ (axis numbers are the coordinates of the National Grid) © Crown copyright. All rights reserved [Health Protection Agency][100016969][2007] Radon potential classification © Health Protection Agency and British Geological Survey copyright [2007].