I've just heard about these.

I've not tried them yet but will let you know when I do, the company promises;

Parcels Please is the Parcel delivery company that offers:

• Your parcel collected when you want it.
• Your parcel tracked, insured, and delivered on time.
• Friendly and helpful customer service.
• Booking either online, or over the phone.

To find out more go to http://www.parcelsplease.co.uk/