Gospel Oak Church on Agincourt Road - "a good (and cheap) one that allows bouncy castles. We had my sons 3rd party there and it was brilliant."
St Lukes Church (Kidderpore Avenue).
Oliver's Village Cafe (Belsize Village) - is a good venue for children's parties, and Caroline from Mini Beats can provide little singalongs.
Kentish Town City Farm. Hire for children’s parties on weekends and includes the use of the kitchen and party room. Hire cost is £75 plus a returnable £50 deposit.
Parliament Hill School - "is nice big space which is great for car racing parties"
Pizza Express on Abbey Road - "is great for mid sized dance parties and/or just an entertainer"
Huggles (Swiss Cottage). Nice room with padded floors, good for children.
Rascals (Swiss Cottage). Soft Play Party
Gymboree (Finchley Road). Entertainer and venue sorted, need to provide own food/drinks/cake.
Sherrif Centre (West Hampstead). Soft play area with cafe
Art 4 Fun (West Hampstead). Creative session for all ages; each child goes home with something they've decorated themselves
The Pirate Castle (Camden). Really special venue in a castle, probably better for kids aged 8+
Primrose Hill Community Centre NW1. "Can hire both floors. We have had many good celebrations at that venue! Very spacious too."
St Andrew's Church on Frognal (Hampstead)
St John's (Downshire Hill).
The Crypt @ Church Row (Hampstead)
Gospel Oak Church (Agincourt Road)
Sheriff Centre (West Hampstead)
1 o clock Club (Hampstead Heath)