Number N21 bus route & timetable
- Trafalgar Square / Charing Cross Stn
- Southampton Street / Covent Garden
- Aldwych
- The Royal Courts of Justice
- Fetter Lane
- Ludgate Circus
- Ludgate Hill / Old Bailey
- St Paul's Cathedral
- Mansion House Station
- King William Street / Monument Stn
- Monument Station
- London Bridge
- London Bridge Station
- Southwark Street
- Union Street
- Borough Station / Great Dover Street
- Trinity Street / the Roebuck
- Blackhorse Court
- Bartholomew Street
- Bricklayer's Arms
- Old Kent Road / East Street
- Dunton Road
- Trafalgar Avenue
- Malt Street
- Peckham Park Road
- Commercial Way
- Old Kent Road / Ilderton Road
- Briant Street
- New Cross Bus Garage
- New Cross Gate Station
- Marquis of Granby
- Amersham Road
- Malpas Road
- Lucas Street
- Lewisham College / Ashmead School
- Tyrwhitt Road / St Johns Station
- Undercliff Road
- Loampit Vale / Jerrard Street
- Lewisham Station
- Belmont Hill
- Belmont Park
- Manor Park
- Brandram Road
- Dacre Park
- Lampmead Road
- Lee Green
- Cambridge Drive
- Weigall Road
- Courtlands Avenue
- Eltham Road / Kidbrooke Park Road
- Sutcliffe Park
- Eltham Road / Westhorne Avenue
- Eltham Hill / Westhorne Avenue
- Vandyke Cross
- Kingsground
- Sherard Road
- Eltham High Street / Roper Street
- Eltham High Street / Pound Place
- Eltham High Street / Westmount Road
- Bexley Road / Glenesk Road
- University of Greenwich / Mansion Site
- Riefield Road
- Rennets Wood Road
- Blackfen Road / Boundary Road
- Queenswood Road
- Blackfen Road / Days Lane
- Blackfen Road / Westwood Lane
- Blackfen Road / Ramillies Road
- Blackfen School For Girls
- Blackfen Road / Penhill Road
- Beechway
- Woodside Lane
- The Anchor
- Riverdale Road
- Cross Lane
- Parkhurst Road
- Bexley Station
- Bexley Library
- Hartford Road
- Gravel Hill Close
- Broomfield Road
- Halcot Avenue
- Bexleyheath / Highland Road
- Geddes Place
- Bexleyheath Clock Tower
- Bexleyheath / Highland Road
- Halcot Avenue
- Broomfield Road
- Gravel Hill Close
- Hartford Road
- Bexley Library
- Bexley Station
- Bexley War Memorial
- Cross Lane
- Riverdale Road
- Bridgen / the Anchor
- Woodside Lane
- Beechway
- Blendon / Penhill Road
- Blackfen School For Girls
- Blackfen Road / Ramillies Road
- Blackfen Road / Wellington Avenue
- Sycamore Avenue
- Queenswood Road
- Blackfen Road / Boundary Road
- Rennets Wood Road
- Riefield Road
- University of Greenwich / Mansion Site
- Bexley Road / Glenesk Road
- Eltham High Street / Foots Cray Road
- Eltham High Street / St Mary's Place
- Eltham High Street / Passey Place
- Eltham Church / High Street
- Kingsground
- Greenway
- Eltham Hill / Middle Park Avenue
- Eltham Road / Westhorne Avenue
- Cedarhurst Drive
- Eltham Road / Kidbrooke Park Road
- Courtlands Avenue
- Weigall Road
- Cambridge Drive
- Lee Green
- Lampmead Road
- Dacre Park
- Brandram Road
- Belmont Park
- Marischal Road
- Belmont Hill
- Lewisham Police Station
- Lewisham Station
- Lewisham Station / Loampit Vale
- Loampit Vale / Jerrard Street
- Undercliff Road
- Lewisham College
- Lucas Street
- Malpas Road
- Amersham Road
- Marquis of Granby / Goldsmiths
- New Cross Gate Station
- New Cross Bus Garage
- New Cross Road / Besson Street
- Briant Street
- Pomeroy Street
- Old Kent Road / Ilderton Road
- Commercial Way
- Peckham Park Road
- Malt Street
- Trafalgar Avenue
- Dunton Road
- Old Kent Road / East Street
- Bricklayer's Arms
- Bartholomew Street
- Trinity Street / the Roebuck
- Borough Station / Great Dover Street
- Union Street
- London Bridge
- Monument Station
- Bank Station / King William Street
- St Paul's Churchyard
- St Paul's Cathedral
- City Thameslink Stn / Ludgate Circus
- Fetter Lane
- Chancery Lane
- The Royal Courts of Justice
- Aldwych / Australia House
- Aldwych / Drury Lane
- Savoy Street
- Bedford Street
- Charing Cross Station