An Arts Council and Royal British Institute of Architects initiative, of over 150 events, will take place around the country.

Nationwide: For list of practices opening their offices ring Architectural Week Hotline (0171-490 5969); call Architect in the House (0845 603 8508) to consult one of the 1,200 architectural practices taking part to suggest ways in which householders can improve their homes, for a fee of pounds 10 donated to Shelter; BBC Radio 3 Designs for Living, 9.30pm, 24-28 Nov, visits 20th-century houses.

Eastern: Exhibition of work by RIBA Eastern Region 20-30 Nov, Architecture Gallery, 6, King's Parade, Cambridge; Collection of award-winning contemporary buildings in "Campus Trail & Talk" at Sainsbury Centre, University of East Anglia, 20-27 Nov (closed Mon).

London: Prince of Wales Institute of Architecture Open Day, 29 Nov, 10am-4pm at 14 Gloucester Gate London NW1; Six STARchitect Talks (pre- booking essential): 1. Reflections of Soane at the Soane Museum, Lincoln Inn Fields - Charles Jencks, 20 Nov midday; Edward Cullinan, 25 Nov 6.30pm; Richard MacCormac, 26 Nov 6.30pm (0171-405 2107); 2. Zaha Hadid, 25 Nov 6.30pm, at the AA Bedford Square, WC1 (0171-887 4039); 3. Jonathan Meades, 26 Nov 6.30pm at the Sainsbury Wing, National Gallery, Trafalgar Square (0171-916 7380); 4. Piers Gough, 26 Nov 2pm, for secondary school children, at RIBA, Portland Place (0171-580 5533); 5. The Modern House Series at the Gallery, 70 Cowcross Street, EC1 (0171-250 3857) - Jeremy Gould "The modern house 1919-39", 26 Nov 6.30 pm; Michael Manser "The modern post- war house" 27 Nov 6.30 pm; 6. Jasper Morrison, 25 Nov 6.30pm, RIBA, Portland Place (0171-251 0791).

Northern: Public debate on Baltic Flour Mills, 26 Nov 6-8pm (booking essential: Anna Pepperall, Gateshead Council 0191-477 3478).

North West: Three STARchitect talks - booking essential: Adrian Williams of Richard Rogers Partnership, 20 Nov 7.30 pm in Preston (0161-973 1505); (0151-709 8832) for Jonathan Falkingham of Urban Splash 24 Nov 5.30pm- 6.30pm William Alsop 25 Nov 6.30pm.

West Midlands: STARchitect talk Terry Farrell 24 Nov 6.30pm at Newman Tonks Design Centre, Birmingham Business Park (0121-717 7777); Interbuild at NEC Birmingham 23-28 Nov 9.30am-6 pm.

Yorkshire & Humberside: STARchitect talk Nigel Coates, 24 Nov 6.30pm, Showroom Cinema, Sheffield (0114-275 7727); "Architecture on the Move" mobile multi-media event 20-27 Nov for locations around Sheffield (Prue Chiles on 0114-268 4282).

Southern: STARchitect talks Adrian Gibson and Robert Kiln at Hertford Castle, 26 Nov 7 pm (01707-875 253); "Learning Spaces" at de Montfort University, Milton Keynes explores virtual and real space, 20-27 Nov, pounds 45 (01908 695 511).

South-east: Ring RIBA South East for events (Jenny Peterson on 01892 515 878).

Scotland: Symposium on the New Scottish Parliament, 28 Nov 28 10am-5pm, 29 Nov 10am-1pm at the Matthew Architecture Gallery, Edinburgh (Clive Albert on 0131-650 2306); two Glasgow STARchitect talks (booking essential 0141-227 1999) Charles McKean at Caledonian University "Is Glasgow well dressed or wearing cast-offs ?" 20 Nov 6.30pm; Gavin Stamp on Alexander Thomson at Waterstones in Sauchiehall Street, 26 Nov 6pm; Scottish Houses exhibition of contemporary houses at Dundee Central Library, 20-27 Nov.

Northern Ireland: "Modern Architecture in Belfast is a Thing of the Past" debate at Queens University, Belfast, 21 Nov (01232 323760).

Channel Islands: "Jersey Open Buildings" - the National Trust buildings of Jersey, 20 -27 Nov (Jeremy Barns on 01534 33100); RIBA Award-winner Jersey College for Girls Preparatory School opens its doors, 22-23 Nov (Dot Browning on 01962 842 200).