Party Wall Surveyor South East London
SE1     Bermondsey, Borough, South Bank, Southwark
SE2     Abbey Wood
SE3     Blackheath, Westcombe Park
SE4     Brockley, Crofton Park, Honor Oak Park
SE5     Camberwell
SE6     Catford, Hither Green, Bellingham
SE7     Charlton
SE8     Deptford
SE9     Eltham, Mottingham, New Eltham
SE10    Greenwich
SE11    Kennington, Lambeth
SE12    Grove Park, Lee
SE13    Lewisham, Hither Green
SE14    New Cross
SE15    Peckham
SE16    Rotherhithe, Surrey Quays
SE17    Walworth
SE18    Woolwich, Plumstead
SE19    Upper Norwood, Crystal Palace
SE20  Anerley, Penge
SE21    Dulwich
SE22   East Dulwich
SE23   Forest Hill
SE24   Hern Hill
SE25   South Norwood
SE26  Sydenham
SE27  West Norwood
SE28  Thamesmead

Party Wall Surveyor South West London
SW1 Belgravia, Pimlico, Westminster
SW2 Brixton, Tulse Hill
SW3 Chelsea
SW4 Clapham
SW5 Earl’s Court
SW6 Fulham, Parson’s Green
SW7 South Kensington
SW8 South Lambeth, Nine Elms
SW9 Stockwell, Brixton
SW10 West Brompton, Chelsea
SW11 Battersea, Clapham Junction
SW12 Balham
SW13 Barnes
SW14 Mortlake, East Sheen
SW15 Putney, Roehampton
SW16 Streatham, Norbury
SW17 Tooting
SW18 Wandsworth, Earlsfield
SW19 Wimbledon, Merton
SW20 Raynes Park, South Wimbledon

Party Wall Surveyor West London
W1    Marylebone, Mayfair, Soho, Fitzrovia
W2   Bayswater, Paddington
W3   Acton
W4   Chiswick, Gunnersbury
W5   Ealing
W6   Hammersmith
W7   Hanwell
W8   Kensington
W9   Maida Vale, Warwick Avenue
W10  Ladbroke Grove, North Kensington
W11    Notting Hill
W12   Shepherd’s Bush, White City
W13   West Ealing
W14   West Kensington, Kensington Olympia

Party Wall Surveyor North West London
NW1     Camden Town, Regent’s Park, Euston
NW2     Cricklewood, Dollis Hill, Neasden
NW3     Hampstead, Swiss Cottage, Belsize Park
NW4     Hendon, Brent Cross
NW5     Kentish Town, Gospel Oak
NW6     Kilburn, Queen’s Park, West Hampstead
NW7     Mill Hill
NW8     St John’s Wood
NW9     Colindale, Kingsbury
NW10   Willesden, Harlesden, Kensal Green
NW11   Golders Green, Temple Fortune

Party Wall Surveyor Guildford
GU1      Slyfield, Merrow, and Burpham
GU2      Guildford Park, Onslow Village, Park Barn,
University of Surrey
GU3      Normandy, Puttenham, Worplesdon, 
Christmas Pie, Flexford
GU4      Burpham, Chilworth, Jacobs Well, Shalford

Party Wall Surveyor North London
N1          Islington, Barnsbury, Canonbury
N2          East Finchley
N3          Finchley Central
N4          Finsbury Park, Manor House
N5          Highbury
N6          Highgate
N7          Holloway
N8          Crouch End, Hornsey
N9          Edmonton
N10       Muswell Hill
N11       New Southgate, Friern Barnet
N12       North Finchley, Woodside Park
N13       Palmers Green
N14       Southgate
N15       Seven Sisters, South Tottenham
N16       Stoke Newington, Stamford Hill
N17       Tottenham

Party Wall Surveyor East London
E1           Whitechapel, Stepney, Mile End
E2           Bethnal Green, Haggerston, Shoreditch
E3           Bow, Bromley-by-Bow, Mile End
E4           Chingford, Highams Park
E5           Clapton, Lower Clapton
E6           East Ham, Beckton
E7           Forest Gate, Upton Park
E8           Hackney, Dalston
E9           Homerton, Hackney Wick
E10        Leyton
E11        Leytonstone, Snaresbrook
E12        Manor Park
E13        Plaistow
E14        Poplar, Canary Wharf, Isle of Dogs
E15        Stratford, West Ham
E16        Canning Town, Woolwich, Silvertown
E17        Walthamstow
E18        South Woodford

Party Wall Surveyor Maidstone
ME14    Maidstone, Penenden Heath, Sandling
ME15    Maidstone, Loose, Shepway, Tovil
ME16    Allington, Barming
ME17    Harrietsham, Lenham, Boughton Monchelsea
ME18    Yalding, Wateringbury

Party Wall Surveyor Crawley
RH10    Furnace Green, Maidenbower,
Pound Hill, Three Bridges, Tilgate
RH11    Bewbush, Broadfield, Gossops Green,
Ifield, Langley Green, Southgate, West Green

Party Wall Surveyor Tunbridge Wells
TN1       Royal Tunbridge Wells
TN2       Pembury
TN3       Langton Green, Groombridge, Frant,                    Speldhurst, Lamberhurst
TN4       Rusthall, Southborough