3 light switches listed, no idea which is which, so confirm the # off your old one before u buy:
191 941 531 K - light switch - £16.37
191 941 531 L - light switch - £16.37
191 941 531 M - light switch - £16.37
191 941 535 B - fog light switch - £11.94
191 953 235 - hazard switch (pre 90- spec) - £9.67
191 959 621 B - switch for heated rear window - £9.67
191 959 855 01C - electric window switch - £15.61
191 919 550 - holder for rear door electric switch - £2.32
191 959 561 - 4 door electric window lockout switch - £11.94
321 959 565 - switch for electric mirrors - £17.68
357 953 519 01C - post-90 wiper stalk - £42.16
535 953 519 A 01C - post-90 wiper stalk with MFA - £44.73
357 953 513 F 01C - post-90 indicator switch - £38.03
535 953 513 A 01C - post-90 indicator switch with cruise control - £66.79
191 953 519 01C- pre-90 wiper stalk - £26.75
191 953 519 A 01C - pre-90 wiper stalk with MFA - £45.74
191 953 513 B 01C - pre-90 indicator switch - £17.68
191 953 513 C 01C - pre-90 indicator switch with cruise control - £44.73
Unlikly that you want these, but for completness:
533 959 855 A - switch for electric seats - £13.50
191 963 563 - switch for driver & passenger seat heating - £54.50
191 963 563 A - switch for driver side only seat heating - £34.45
191 941 333 - switch for headlight range control - £40.15
Prices do not include VAT