£8k including honeymoon for 65 people.
Start by setting a realistic budget you can afford without getting into debt. Nothing will cause stress and resentment at the start of your marriage like a great big bank loan.
If you're on a tight budget, enlist family and friends who can help instead of getting you a wedding present. My uncle did the music for the reception, my brother in law has a posh car he drove us in. My grandma made the cake and had it professionally iced as her gift to us.
See what you can do yourself. I made my own favours, invitations and seating chart.
Prioritise what is important to you and spend more there. I didn't care about the invitations for example.
Go to an ordinary florist, not a specialist wedding one and give them a budget. Ask which flowers are cheapest at that time of year. For £300 I got a bouquet, plus three small ones for the bridesmaids, button holes and centrepieces.
Hire the suits. Buy high street dresses for the bridesmaids. Monsoon have a lovely bridal range. My bridesmaids already had matching shoes from my sister's wedding so wore those.
If you don't want to get your dress from the high street, ask the bridal shops if they ever have samples sales and when they're likely to be.
Oh and consider a Friday wedding, it's much cheaper.
There are loads of other ways to cut costs without compromising on quality, you just need to decide what's important to you.