Any recommendations for anything half decent for monitoring the home whilst away?

Must not need feeding Pedigree Chum

Burglar alarm with SMS alert – will txt you if it goes off…

I need something I can reset remotely

A Texecom system with COM-GSM would text on alarm and allow remote reset and status enquiry via text if thats what you were after.

Visonic power master with Internet module and pir’s with cctv inbuilt view images and controls via smart phone

Netgear arlo?

Sniper?

Burglar alarm with SIM card CAN be set disarmed and reset remotely. Or monitored remotely. Or intercommed remotely.
On an alarm state, it will first text the zone triggered, and if not reset, ring you.
You can then use the intercom to monitor for intruder noise

Arlo cams.

We’ve got a canary. The gadget not the bird. Actually works very well. Turn it on and off by phone from anywhere or it can do this automatically when leave the house. If it detects a change or movement it sends you a message and a link the video. You can also watch live. Pretty simple.