Champagne for Christmas

It's that time of year, many of us buy champagne for Christmas, and the stores put a lot of fizz on special offer - so what is out there? Those with the lowest prices I've found (and that are recognisable producers) are highlighted in red

Sainsbury :-
Champagne Piper-Heidsieck*£21.99 - £16.99
Taste the Difference Vintage 2000 Champagne£22.99 - £17.99
Laurent-Perrier£25.99 - £20.99
Lanson Black Label £22.49 - £17.49
Canard-Duchene£19.99 - £14.99
Nicolas Feuillatte£19.99 - £14.99

Tesco:-
Piper-Heidsieck NV Brut*£28.98 - £23.98
Laurent-Perrier Brut£25.98 - £20.98
Nicolas Feuillatte£19.99 - £14.99
Moët et Chandon Imperial Vintage Brut 1999£33.94 - £29.94
André Carpentier£19.99 - £9.99
Heidsieck Monopole Rosé£23.99 - £18.99
Jacquart Brut£19.99 - £14.99

Waitrose
Mumm Cordon Rouge Non Vintage*£22.99 - £18.99
Lanson Black Label Brut Non Vintage£22.49 - £18.99
Champagne Trudon Cuvée Tradition NV£18.99 - £13.99
Piper-Heidsieck Brut Non Vintage*£21.99 - £17.99

Coop
JACQUART ROSÉ CHAMPAGNE NV£22.99 - £15.33
PIPER HEIDSIECK BRUT CHAMPAGNE NV*£21.99 - £14.66 until Dec. 31

Morrisons
Moët et Chandon NV£23.99 - £18.99
Veuve Clicquot Yellow Label£26.99 - £21.59
Charles de Villers NV £23.99 - £11.99
Jean D'Eperon NV£10.99 - £9.89
Heidsieck Monopole Brut NV£19.99 - £14.99
Heidsieck Monopole Demi-Sec NV£18.99 - £14.24
Heidsieck Monopole Rosé NV£23.99 - £18.99
Nicolas Feuillatte Vintage 2002£25.99 - £12.99
Nicolas Feuillatte NV£19.99 - £14.99
Jacquart Brut Tradition NV* £19.99 - £13.99
Lanson Black Label NV£22.49 - £17.99 (November 13 – December 3 only)
Bollinger NV£29.99 - £26.99 (November 13 – December 3 only)