How long do Shellac nails last?

[IHopeYouStepOnALegoPiece]

I've got three events over three consecutive weekends and if I could get away with only having my nails done once then that'd be grand!

And can anyone recommend somewhere in london (preferably North)
Tia!

[HoggleHoggle]

Last 2 weeks tops for me. I don't live there anymore but I used to go to Oxygene in Crouch End. They had a branch in Muswell Hill too.

[SanityClause]

They can last for more than 3 weeks, but as your nails grow, you get an unvarnished bit, which isn't very attractive. (Unvarnished nails aren't unattractive, but an unvarnished stripe on varnished nails is.)

If I were you, I would have them done again between events 2 and 3.

[umiaisha]

I have mine done every 3 weeks, but by the third week they are starting to look scruffy with the regrowth.

[WhoKnowsWhereTheTimeGoes]

Three weekends is only just over two weeks if you get them done on the first Friday. I've only had them a few times, but regrowth has started to be noticeable after a fortnight, so maybe go for a light colour or French where it won't be so noticeable.