The venue is Bristol City Hall, College Green, BS1 5TR (H4/5 on map) and there are plenty of hotels and hostels nearby.
The tourism office, Visit Bristol, has a useful guide to accommodation options in the city, including B&Bs and serviced apartments.
NB Guide room prices correct as of 21 August
The nearest hotel is the Travelodge on Anchor Road (G5 on map). Rooms from £55 Friday and £91 Saturday. Average walking time to venue 5 minutes.
Ibis City Centre Habourside is equally well located on Explore Lane (H5 on map). Rooms from £70 Friday and £114 Saturday. Average walking time to venue 5 mintutes.
The nearest Premier Inn is on King Street (M5 on map). Rooms from £61 Friday and £97.50 Saturday. Average walking time to venue 10 minutes. Note: King Street has many bars and pubs which can be pretty noisy at night.
You can find other hotels in the city via the Visit Bristol link above, or by using sites such as, TripAdvisor, Booking.com or Laterooms. The bus service is good in Bristol, so it may be worth looking at hotels further away from the centre which are on a bus route to the venue.
The nearest hostel is the YHA Harbourside (K6 on map). Dorms from £25 Friday and £35 Saturday. Private rooms available. Average walking time to venue 8 minutes.
Bristol Wing is a new hostel by the Bristol YMCA in the old police station headquarters on Bridewell Street (M3 on map). Run as a social enterprise they have reinvest profits into supporting young people who are homeless in the city. Dorms from £24. Private rooms available. Average walking time to venue 15 minutes.
There are others hostels in the city too - check out the Visit Bristol guide to find out more.
If you're travelling by campervan Baltic Wharf Caravan Club is a great option because of the site's central location. The site is 30 minute walk to the venue, or you can catch the ferry which runs every 20 minutes from 'Hotwells - The Cottage/Baltic Wharf' to 'The Centre'. The site is very popular so it's best to book as early as possible.
Camping is another budget-friendly option. Brook Farm is a family run camping and caravan site 10 miles from Bristol on the edge of the Mendips. It has good transport links into the centre with buses running every hour 24/7 costing £5. The Falcon bus takes 40 minutes from the campsite 'Cowslip Green' stop to 'Anchor Road/Canons Marsh', which is a 5 minute walk to the venue. You can read more about transport links to the campsite from their website.