| 40/42 Highbury Hill N5 Limited | Edgware | 1994 |
| 40/42 Robin Hood Lane Residents Management Company Limited | Newark | 2005 |
| 40/42 Sutherland Street Residents Association Limited | London | 1978 |
| 40/44 Great Percy Street Limited | | 1979 |
| 40/50 Buscombe Gardens Management Company Limited | Berkeley | 1998 |
| 40/50 Cressingham Grove (Management Company) Limited | Sutton | 2002 |
| 400 Caledonian Road Management Company Limited | London | 2015 |
| 400-402 Brixton Road Management Company Limited | London | 2009 |
| 401 URR Management Limited | London | 2003 |
| 402 Camden Road Management Company Limited | London | 1997 |
| 402 London Road RTM Company Limited | Southend-On-Sea | 2006 |
| 402-412 Chester Road RTM Company Limited | Sutton Coldfield | 2021 |
| 404 Property Investment Limited | London | 2019 |
| 405 Mansfield Road RTM Company Limited | Nottingham | 2017 |
| 405-417 Lordship Lane RTM Company Ltd | Romsey | 2026 |
| 406 Hotwells Road Management Limited | | 1997 |
| 409-423 Kenton Road Residents Association Limited | Harlow | 2018 |
| 40:40 Link (East) Management Company Limited | Reading | 2019 |
| 40:40 Link (West) Management Company Limited | Reading | 2019 |
| 40A and 40B Stourvale Road Freehold Limited | Bournemouth | 2018 |
| 40A and 40B Woodland Avenue (Freehold) Limited | Slough | 2013 |
| 40A Micklegate RTM Company Limited | York | 2019 |
| 40A New Exeter Street Chudleigh Devon Limited | Dawlish | 1991 |
| 40CG Freehold Limited | Cobham | 2017 |
| 40RTY Caversham Road Management Company Limited | Stockton-On-Tees | 2025 |
| 41 - 43 Park Hill RD RTM Company Limited | Torquay | 2009 |
| 41 - 52 Pennyroyal Road RTM Company Limited | Altrincham | 2025 |
| 41 Aberdare Gardens NW6 Freehold Limited | London | 2012 |
| 41 Addison Gardens Limited | London | 2010 |
| 41 Adelaide Park Management Company Ltd | Belfast | 2025 |
| 41 Adolphus Road Freehold Limited | London | 2010 |
| 41 AG Limited | London | 1971 |
| 41 Ainger Road London NW3 Limited | | 1986 |
| 41 Alan Road Limited | Manchester | 2002 |
| 41 Alexandra Road (Mutley) Management Company Limited | Plymouth | 1995 |
| 41 Ambleside Avenue RTM Company Limited | London | 2019 |
| 41 and 41A Park Street Limited | Hatfield Park | 2026 |
| 41 and 43 Moreton Street Freehold Limited | London | 2004 |
| 41 and 43 Wain-A-Long Road Salisbury Limited | Salisbury | 1979 |
| 41 ARV Management Company Limited | London | 2018 |
| 41 Ashburton Road Management Company Limited | Southsea | 2005 |
| 41 Athenlay Road RTM Company Ltd | Bromley | 2016 |
| 41 Auckland Hill (Freehold) Limited | Brighton | 2023 |
| 41 Augusta Gardens Management Company Limited | Dover | 1990 |
| 41 Avondale Road Limited | Sutton | 2023 |
| 41 Avondale Road RTM Company Limited | London | 2025 |
| 41 Avonmore Road Freehold Limited | London | 2014 |
| 41 Bathwick Street Bath Limited | Bath | 1990 |
| 41 Battersea Rise Ltd. | | 1998 |
| 41 Beaconsfield Villas Associates Limited | | 2004 |
| 41 Belsize Park Freehold Company Limited | London | 2006 |
| 41 Bentley Road RTM Company Limited | Bolton | 2021 |
| 41 Birchington Road Management Company Limited | London | 1997 |
| 41 Bloemfontein Road Management Company Limited | London | 2023 |
| 41 Boundary ST Ltd | Eastbourne | 2021 |
| 41 BPG (RTM) Company Limited | Milton Keynes | 2011 |
| 41 BPG Limited | Milton Keynes | 2010 |
| 41 Bramham Gardens Management Company Limited | London | 1975 |
| 41 Brighton RTM Company Limited | Dorking | 2026 |
| 41 Buckland Crescent (Management) Limited | London | 1986 |
| 41 Burleigh Road Ltd | Christchurch | 2023 |
| 41 Burlington Road Chiswick London Limited | London | 1991 |
| 41 Caledonia Place Management Limited | Bristol | 1981 |
| 41 Casewick Road Freehold Limited | Dartford | 2016 |
| 41 Cavendish Road (Freehold) Limited | Milton Keynes | 2006 |
| 41 Cavendish Road Limited | Orpington | 2019 |
| 41 Chantrey Road Freehold Limited | Chislehurst | 2019 |
| 41 Charlton Road Management Company Limited | Weston-Super-Mare | 2009 |
| 41 Chepstow Road Management Limited | Potters Bar | 1999 |
| 41 Chesson Road Limited | | 1991 |
| 41 Church Crescent Residents Limited | London | 1984 |
| 41 Churchfield Avenue RTM Company Limited | London | 2026 |
| 41 Clarendon Road Management Company Limited | Bristol | 1995 |
| 41 Clyde Road Redland Management Company Limited | Bristol | 1991 |
| 41 College Avenue (Plymouth) Limited | Plymouth | 2005 |
| 41 Colville Terrace Limited | London | 2012 |
| 41 Cranwich Road Limited | London | 1998 |
| 41 Crescent Road Ramsgate Limited | Ramsgate | 2018 |
| 41 Cresswell Road Management Company Limited | Middlesex | 1985 |
| 41 Curzon Road Limited | Stroud | 2003 |
| 41 Darnley Road Management Company Limited | London | 1994 |
| 41 Dartmouth Road Limited | London | 2018 |
| 41 Deronda Road Limited | | 1997 |
| 41 Devonia Road Freehold Limited | London | 2017 |
| 41 Doone Road Horfield Management Limited | Bristol | 2007 |
| 41 Dudley Road (Tunbridge Wells) Management Company Limited | Heathfield | 2008 |
| 41 East Park Parade Limited | Northampton | 1986 |
| 41 Eaton Road Residents Company Limited | Reading | 2002 |
| 41 Edison Grove RTM Company Limited | London | 2025 |
| 41 Elsham Road Limited | | 1987 |
| 41 Elvaston Place Limited | London | 1998 |
| 41 Ennismore Gardens Limited | Hoddesdon | 2019 |
| 41 Eversley Road Flatowners Limited | Bexhill-On-Sea | 2000 |
| 41 Fairhazel Gardens Limited | Cambridge | 2012 |
| 41 Farlton Road Freehold Limited | Liphook | 2024 |
| 41 Ferme Park Road Limited | North Shields | 2006 |
| 41 Ferncroft Avenue NW3 Limited | London | 1988 |
| 41 Fields Road Newport Management Company Limited | | 2004 |
| 41 Florence Road Limited | London | 2020 |
| 41 Fourth Avenue Hove Limited | East Sussex | 1993 |