| 66 Harborne Road Management Company Limited | Solihull | 2017 |
| 66 Hendford (Residents) Limited | Taunton | 1998 |
| 66 Hollow Road Property Management Company Limited | Bury St. Edmunds | 2022 |
| 66 Hope Street Management Company Ltd | Liverpool | 1999 |
| 66 Hornsey Rise Limited | Hove | 2003 |
| 66 Huskisson Street Management Company Limited | Liverpool | 2003 |
| 66 Isledon Road Limited | London | 2011 |
| 66 Kellett Road Limited | Rayleigh | 2025 |
| 66 Kensington Gardens Square Management Limited | London | 1990 |
| 66 Kent House Road Limited | London | 2001 |
| 66 Kyrle Road Limited | Dorchester | 2000 |
| 66 Ladbroke Grove Management Company Limited | London | 1995 |
| 66 Lancaster Ltd | London | 2020 |
| 66 Lansdowne Place Limited | Hove | 1989 |
| 66 Lansdowne RTM Company Limited | Hove | 2021 |
| 66 Leigham Vale Limited | Lambeth | 2004 |
| 66 Lexham Gardens Management Company Limited | Edgware | 1999 |
| 66 Linden Gardens Management Limited | London | 2000 |
| 66 Lots Road Management Limited | London | 2021 |
| 66 Lowbourne Management Company Limited | Melksham | 2007 |
| 66 Lower Oldfield Park Ltd | Bath | 2023 |
| 66 Lynette Avenue Freehold Limited | Clapham South | 2026 |
| 66 Maresfield Gardens Freehold Limited | Harlow | 1999 |
| 66 Marylands Road Freehold Limited | | 2006 |
| 66 Mayfield Road Ltd | Epsom | 2014 |
| 66 Millbrook Road East Freehold Limited | Southampton | 2025 |
| 66 Mount Pleasant (Liverpool) RTM Company Limited | Birmingham | 2026 |
| 66 Nightingale Road Management Limited | London | 2020 |
| 66 Northbrook Street Limited | Newbury | 2016 |
| 66 Nuffield Road NO: 2 Limited | Kidlington | 2006 |
| 66 Onslow Gardens Limited | Fulham Road | 1996 |
| 66 Peckham Hill Street Management Company Limited | London | 2022 |
| 66 Pembroke Crescent (Hove) Limited | Brighton | 2017 |
| 66 Pembroke Road (Clifton) Management Co. Limited | South Glamorgan | 1982 |
| 66 Pont Street Limited | London | 2000 |
| 66 Preston Road Ltd | Poole | 2023 |
| 66 Primrose Gardens Management Limited | London | 1990 |
| 66 Purley Park Road Limited | Purley | 2023 |
| 66 Queens Road Cheltenham Limited | | 1983 |
| 66 Redcliffe Gardens Management Company Limited | Borehamwood | 2023 |
| 66 Reighton RD Ltd | London | 2019 |
| 66 Salford Road Freehold Limited | London | 2017 |
| 66 Saltram Crescent Freehold Limited | London | 2024 |
| 66 Salusbury Road Freehold Limited | London | 2013 |
| 66 Shepherds Hill Residents Association Limited | Stevenage | 1985 |
| 66 Shooters Hill Road RTM Company Limited | Wadhurst | 2014 |
| 66 Silver Crescent Limited | London | 2003 |
| 66 South Terrace Limited | Littlehampton | 1998 |
| 66 Southcote Freehold Limited | Bournemouth | 2022 |
| 66 Southwood Lane Freehold Limited | London | 1994 |
| 66 ST Augustines Avenue Management Limited | Marlow | 2019 |
| 66 ST Paul's Road Management Company Limited | Bristol | 1981 |
| 66 Sutherland Avenue Limited | London | 1994 |
| 66 Tachbrook Street SW1 Limited | | 1997 |
| 66 the Drive (Hove) Limited | Hove | 2008 |
| 66 the Esplanade Limited | Weston-Super-Mare | 2007 |
| 66 the Grove Ilkley (Management) Limited | Leeds | 2004 |
| 66 Thicket Road Freehold Limited | Sutton | 2025 |
| 66 Tressillian Road Management Company Limited | London | 2016 |
| 66 Twisden Road Management Company Limited | | 2000 |
| 66 Twyford Avenue Limited | London | 2021 |
| 66 Upper Grosvenor Road Management Company Limited | Kent | 2003 |
| 66 Upton Park Management Limited | Slough | 2013 |
| 66 Wansey Street Limited | Walton-On-Thames | 2013 |
| 66 Warriner Gardens Limited | London | 2003 |
| 66 Warrior Square Ltd | St. Leonards-On-Sea | 2023 |
| 66 Warwick Square Estates Limited | London | 2017 |
| 66 Watling Street Management Company Limited | Milton Keynes | 1994 |
| 66 Whitehall Park Limited | | 2005 |
| 66 Winchester Street Residents Limited | London | 2003 |
| 66 Worple Road Residents Company Limited | Hertford | 2008 |
| 66, Victoria Road (Hampstead) Limited | London | 1976 |
| 66-68 Turney Road Limited | London | 2002 |
| 66/67 Cadogan Place Limited | London | 1999 |
| 66/68 Moray Road Management Company Limited | | 1986 |
| 660-666 Streatham High Road RTM Company Limited | Southampton | 2011 |
| 663A Finchley Road Limited | Northwood | 2017 |
| 667 Wandsworth Road Management Company Limited | London | 2025 |
| 66A Residents Limited | London | 1997 |
| 66BROADSTREET RTM Company Limited | Teddington | 2025 |
| 67 & 69 Stuart Avenue Ltd | Edgware | 2015 |
| 67 & 69 Talbot Road (Freehold) Limited | London | 2024 |
| 67 Avenue Road (Management) Ltd | East Cowes | 2010 |
| 67 Battersea Rise Limited | | 1996 |
| 67 Beaconsfield Villas Ltd | Hove | 2021 |
| 67 Bedford Road Freehold Limited | London | 2024 |
| 67 Belsize Park Gardens Management Limited | | 1982 |
| 67 Bouverie Road West Limited | Folkestone | 2021 |
| 67 Brunswick Place Hove Limited | Brighton | 2009 |
| 67 Canfield Gardens Limited | London | 2016 |
| 67 Chichele Road Limited | London | 2006 |
| 67 Christchurch Limited | | 2002 |
| 67 Clapton Common Limited | London | 1979 |
| 67 Clissold Crescent Limited | London | 2006 |
| 67 Comyn Road Residents 2022 Limited | Colchester | 2022 |
| 67 Cornwall Gardens Limited | Watford | 1980 |
| 67 Cottage Grove Residents Limited | Southsea | 2021 |
| 67 Cppr Freehold Limited | London | 2022 |
| 67 Cranbrook Road Management Company Limited | Bristol | 1978 |
| 67 Davis Road W3 Freehold Limited | | 2006 |