Hundreds of hidden houses will go on show to the public across west London this month.

Open House London is opening up more than 650 buildings for free across London, including several which are normally closed to the public, on the weekend of September 20 and 21.

Highlights of the event include Westminster Academy, in Harrow Road, Westbourne Green; Lyric Theatre, in King Street, Hammersmith; Portobello Dock, in Ladbroke Grove, Ladbroke Grove.

A guide can be bought for s4.50 from www.openhouse.org.uk


WESTMINSTER:

19 Hanover Square (Lend Lease Europe HQ),19 Hanover Square, Marylebone
Jimi Hendrix's flat, 23 Brook Street, (access via Handel House Museum at rear of building in Lancashire Court), Marylebone
Handel House Museum, 25 Brook Street, (access via rear of building in Lancashire Court) Marylebone
Former Admiralty Buildings, 26 Whitehall (former Admiralty Buildings), Westminster
3DReid London Studio, West End House, 11 Hills Place, West End
66 Porchester Road, Bayswater
All Saints Church, 7 Margaret Street, Marylebone
Apsley House, Hyde Park Corner, Marylebone
Argentine Ambassador's Residence, 49 Belgrave Square, Victoria
Asia House, 63 New Cavendish Street, Marylebone
Banqueting House, Whitehall, Westminster
BBC Bush House, Aldwych, West End
Benjamin Franklin House, 36 Craven Street, West End
Canada House, Trafalgar Square, West End
Canadian High Commissioner's Official Residence, 3 Grosvenor Square, Marylebone
Channel Four Television, 124 Horseferry Road, Pimlico
Chelsea College of Art & Design (former Royal Army Medical College), 16 John Islip Street, Pimlico
Dover House, Office of the Secretary of State for Scotland, 66 Whitehall, Westminster
Eco House Monmouth Road, 28D Monmouth Road , Bayswater
Fletcher Priest Architects, Middlesex House, 34/42 Cleveland Street, Marylebone
Foreign Office & India Office, King Charles Street, Victoria
Former Conservative Club (HSBC offices), 78 St James's Street, Victoria
Hallfield Infant and Junior Schools, Hallfield Estate, Porchester Gardens, Bayswater
HM Treasury, 1 Horse Guards Road, Victoria
HOK International Ltd, 216 Oxford Street, West End
Holy Trinity Church, Prince Consort Road, South Kensington
Home House,19 & 20 Portman Square, Marylebone
Home Office HQ, Marsham Street (entry Horseferry Road staff entrance into Fry Building, opposite Great Minster House and adjacent to 84a Horseferry Road), Pimlico
Honourable Company of Master Mariners, HQS Wellington, Temple Stairs, Victoria Embankment, Victoria
Hopkins Architects' Office, 27 Broadley Terrace, Lisson Grove
Horse Guards, Whitehall, Westminster
House of St Barnabas-in-Soho & Chapel, 1 Greek Street, Soho Square, West End
IET at Savoy Place, 2 Savoy Place, West End
Iyengar Yoga Institute, 223a Randolph Avenue, Maida Vale
Jewel Tower, Abingdon Street, Pimlico
Lauderdale Road Synagogue, 9 Lauderdale Road, Maida Vale
Law Society's Hall & Library, 113 Chancery Lane, West End
Linnean Society of London, Burlington House, Piccadilly, West End
Marlborough House, Pall Mall, Westminster
Methodist Central Hall Westminster, Storey's Gate, Victoria
New West End Synagogue, St Petersburgh Place, Bayswater
Park Lane Hotel, Piccadilly, West End
Portavilion, Meet: Sat 2pm outside Park Office, Inner Circle, Regents Park
Portcullis House, Victoria Embankment, Victoria
Reform Club, 104 Pall Mall, Westminster
RIBA, 66 Portland Place, Marylebone
Royal Academy of Arts, Piccadilly, West End
Royal Albert Hall, Kensington Gore, South Kensington
Royal Astronomical Society, Burlington House, Piccadilly, West End
Royal College of Surgeons of England, 35-43 Lincoln's Inn Fields, West End
Royal Courts of Justice, Strand, West End
Royal Geographical Society with IBG, 1 Kensington Gore (Exhibition Road entrance), South Kensington
Royal Institution of Great Britain, 21 Albemarle Street, Marylebone
RSA, Royal Society for the Encouragement of Arts, Manufactures & Commerce, 8 John Adam Street, West End
Rudolf Steiner House, 35 Park Road, Marylebone
Seaford House, 37 Belgrave Square, Victoria
Serpentine Gallery Pavilion 2008, Kensington Gardens
Somerset House, Strand, West End
St Anne's Tower, St Anne's Churchyard, Wardour Street, West End
St Augustine's Church, Kilburn Park Road, Maida Vale
St Barnabas Church, St Barnabas Street, Pimlico
St Martin-in-the-Fields, Trafalgar Square, West End
St Mary Magdalene Church, Rowington Close, Westbourne Green
St Marylebone CE School Performing Arts Centre, 64 Marylebone High Street, Marylebone
St. John's, Smith Square, Pimlico
Talk at Margaret Howell: Refurbishment of Royal Festival Hall, 34 Wigmore Street, West End
Talkback Thames, 20-21 Newman Street, Marylebone
The College of Optometrists, 42 Craven Street, West ENd
The Hub - Regent's Park Sports Pavilion, Regent's Park, Outer Circle
The Lansdowne Club, 9 Fitzmaurice Place, Berkeley Square, West End
The London Library, 14 St James's Square, Victoria
The Naval Club, 38 Hill Street, West End
The Travellers Club, 106 Pall Mall, Westminster
University of Westminster, 309 Regent Street, West End
Vibrant Victoria, Meet: Sat/Sun 10.30am, 1.30pm, location given with booking
Wellington Arch, Hyde Park Corner, Apsley Way, Marylebone
Westminster Academy, 255 Harrow Road, Westbourne Green
Westminster Archives Centre, 10 St Ann's Street, Pimlico
Westminster Hall, House of Commons (Cromwell Green entrance), Westminster

HAMMERSMITH AND FULHAM

26 Rylett Crescent, Shepherd's Bush
7 Hammersmith Terrace, Hammersmith
8 St Stephen's Avenue, Shepherd's Bush
All Saints Church, Church Gate (by Putney Bridge), Fulham
Charing Cross Hospital, Fulham Palace Road, Hammersmith
Colet House, 151 Talgarth Road, Hammersmith
Fulham Palace, Bishop's Avenue, Fulham
Hammersmith and Queen Charlotte's Hospitals, Du Cane Road, Shepherd's Bush
Hurlingham Club, Ranelagh Gardens, Fulham
Larmenier & Sacred Heart Catholic Primary School, 41A Brook Green, Hammersmith
Linden House, 60 Upper Mall, Hammersmith
Lyric Theatre Hammersmith, King Street, Hammersmith
Maggie's Centre, Charing Cross Hospital, Fulham Palace Road, Hammersmith
Palace Wharf, 56 Rainville Road, Hammersmith
Rogers Stirk Harbour + Partners, Thames Wharf Studios, Rainville Road, Hammersmith
The London Academy of Music & Dramatic Art (LAMDA), 155 Talgarth Road, Hammersmith
Voysey Studio, now Hungarian Reformed Church in UK, 17 St Dunstans Road, Hammersmith
William Morris Society - Kelmscott House, 26 Upper Mall, Hammersmith

KENSINGTON AND CHELSEA

17 Abbotsbury Road, Holland Park
26 Victoria Road, Kensington
61 Courtfield Gardens, Earl's Court
Brick House, 31A Hatherly Grove, Westbourne Grove
Brompton Cemetery Chapel, Colonnades and Memorials, Old Brompton Road, Earl's Court
Cadogan Hall, 5 Sloane Terrace, Chelsea
Garden Apartment, Flat 7, 8 Pembridge Villas, Notting Hill
Institut Francais du Royaume-Uni, 17 Queensberry Place, South Kensington
John McAslan + Partners, 49 Princes Place, Notting Hill
Kensal Green Cemetery, Dissenters' Chapel, Harrow Road, North Kensington
Leighton House, 12 Holland Park Road, Holland Park
Lindsey House, 100 Cheyne Walk, Chelsea
Linley Sambourne House, 18 Stafford Terrace, Kensington
Michaelis House, 95a Oxford Gardens, North Kensington
Peter Jones, Sloane Square, Chelsea
Portobello Dock, 343 Ladbroke Grove, Ladbroke Grove
Royal Court Theatre, Sloane Square, Chelsea
Royal Danish Embassy, 55 Sloane Street, Chelsea
St Columba's Church of Scotland, Pont Street, Chelsea
St Sarkis Armenian Church, Iverna Gardens, Kensington
The Ismaili Centre, 1-7 Cromwell Gardens, Kensington
The Roof Gardens & Babylon Restaurant (formerly Derry & Toms), 6th & 7th Floor, 99 Kensington High Street (entrance on Derry Street), Kensington
Trellick Tower, 5 Golborne Road, North Kensington