You should arrange your own accommodation booking.
College rooms can be found here:
http://www.universityrooms.com/en/city/cambridge/home
Alternatively B&Bs and hotel options can be found at:
https://www.visitcambridge.org/accommodation
For good budget options, try Travelodge Cambridge Central and Ibis Hotels near the Cambridge railway station. Alternatively the following B&Bs and Hotels are reasonable alternatives (note, these are randomly ordered):
- Rectory Farm, Coton, close to Chemical Engineering but further away from Cambridge city centre
- Harvest View, Coton, a long walk/fair cycle to Chemical Engineering but a taxi journey away from Cambridge city centre
- Premier Inn, Huntingdon Road, close to Chemical Engineering but further away from Cambridge city centre
- Benson House, Huntingdon Road, close to Chemical Engineering and a short walk from Cambridge city centre
- Westminster College, Madingley Road, reasonable walking distance to Chemical Engineering and a short walk from Cambridge city centre