Best Thermostat Guard Cover Deals Online in the UK (10 Deals Found)

Last Updated - 01/02/2026 Sort By:

Best Choice
Tefola

New
Thermostat Cover with Lock, Wall Mounted Acrylic Thermostat Guard Box with 4pcs Screws & Bolts, Transparent Thermostat P
【Protect Your Thermostat】The thermostat box cover with combination lock prevents children, tenants or the public from ad

£12.78
Best Value
Honeywell Home

New
Honeywell Home CG512A1009 Large Thermostat Guard, 8.59 x 24.77 x 18.42 cm
Protect again tampering, damage and unauthorized adjustment of thermostat settings.

£21.64
Honeywell Home

Used
Honeywell Home CG512A1009 Large Thermostat Guard, 8.59 x 24.77 x 18.42 cm
Protect again tampering, damage and unauthorized adjustment of thermostat settings.

£14.14
HAIJED

New
Thermostat Box with 2 Keys, Thermostat Protective Cover, Acrylic Thermostat Guard Box, Wall Mounted Thermostat Cover Box
【Premium Acrylic Material】This thermostat guard box is made of high quality acrylic, which is clear, not change color or

£10.99
Tefola

New
Thermostat Lock Box with 2 Keys, Clear Acrylic Wall Mounted Thermostat Guard, Tamper Proof Protective Cover with Screws
[Please Check Size Before Purchase] Usable internal size: 4.72" × 5.62" × 1.77". Please ensure your thermostat is smalle

£18.29
Dpofirs

New
Dpofirs Universal Large Thermostat Lock Box for Wall, Clear Plastic Thermostat Guard Cover with Key for Conservation and

£13.13
Gachiwar

Used
Gachiwar Thermostat Cover, Thermostat Lock Box with 2 Keys Protector Cover Clear Guard Acrylic Wall Mounted Nest
【Premium Acrylic Material】This thermostat guard box is made of high quality acrylic, which is clear, not change color or

£14.85
Honeywell Home

New
Honeywell Home Thermostat Guard, 5.88 x 5.88 x 2.5 inches Clear
Clear plastic cover with built-in lock and a set of keys.Fits Thermostats 4.375H x 4.375W inches or Smaller

£20.99
New_Soul

New
Thermostat Lock Box with 2 Keys - Universal Acrylic Protective Cover Guard Box Wall Mounted for Restaurants, Wall AC Pan
[Premium Acrylic Material] This thermostat lock box is made of high quality acrylic, which is clear, not change color or

£10.99 £11.59
mumisuto

New
AC Thermostat Lock Box Cover Thermostat Guard with Lock,Universal Thermostat Lock Box with Key,Clear Large Thermostat Gu
【Thermostat Protection with Key】Thermostat lock box with 2 keys prevents tampering, damage and unauthorised adjustment o

£13.99

10 Thermostat Guard Cover deals are available from: Amazon stores, starting from £10.99.
The biggest discount we found is 5% on Thermostat Lock Box with 2 Keys - Universal Acrylic Protective Cover Guard Box Wall Mounted for Restaurants, Wall AC Panel, School at Amazon.
The lowest price we found is £10.99 while the highest is £21.64.
Prices for the best Thermostat Guard Cover deals average at £15.18.
Last updated on February 1, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Thermostat Guard Cover.