Directgov – the official job centre website which is user-friendly with good search options including filters for date added, pt/ft, temporary / permanent and search radius
http://jobseekers.direct.gov.uk
Reed – lots of jobs with good search facilities, including location, job type, sector, salary and date added
http://www.reed.co.uk/
Total Jobs – another good one with thousands of jobs and good search facilities
http://www.totaljobs.com/
NHS Jobs – simply the first place to go for NHS jobs, you can save, manage and view your applications online
http://www.jobs.nhs.uk/
The Guardian – the best of the national newspapers
http://jobs.guardian.co.uk
TES – great for education jobs
https://www.tes.com/jobs/
Monster – good search options, easily choose to only view most recent job posts
http://www.monster.co.uk/
Jobsite
http://www.jobsite.co.uk/
Fish4Jobs
http://www.fish4.co.uk/jobs/