Mesh will be a good solution. Make sure any you are considering have GB ethernet ports or your speeds will never get over 100Mbps. A lot of the cheaper ones dont - and they dont "advertise" that fact - they usually say "fast ethernet ports" - meaning 10/100.
The TP-Link Deco range is well regarded on here look at their M range (M4/M5/M9).
Also if you get one there is a connection sequence you need to follow - just ask again here.
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John
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I do not work for VM. My services: HD TV on VIP (+ Sky Sports & Movies & BT sport), x3 V6 boxes (1 wired 2 WiFi,) SH2 in modem mode with Airport Extreme Router +2 Airport Express's. On VIVID200, Talk Anytime Phone, x2 Mobile SIM only iPhones.