Millbrook Beds Serenity 4500 Mattress

• 1,000 full size pocket springs
• 3,500 Millbrook Comfonomic Micro Springs
• Millbrook Ultra Edge support
• ErgoZone 7 seven-zone ergonomic support
• Smooth-Tech tuft-free sleeping surface
• Chemical-free Smooth-Flex 4-way stretch cover
• Natural wool, cotton, silk and cashgora
• 30cm mattress depth
• Non-turn mattress

Every Serenity mattress features Millbrook’s ErgoZone 7 seven-zone ergonomic support, engineered to cushion the hips and lower back while giving firmer support to the shoulders and legs, helping keep your spine naturally aligned from head to toe.

The Millbrook Serenity 4500 is designed for sleepers who want that “just right” balance of lift, softness and stability. Built with 1,000 full size pocket springs and an additional 3,500 Comfonomic Micro Springs, it responds intelligently to your body, easing pressure points and helping you settle into deeper, more supported sleep.

To keep comfort feeling fresh and breathable, Millbrook layers natural wool, cotton, silk and cashgora beneath a Smooth-Tech tuft-free surface, creating a smooth, uninterrupted sleep feel with excellent temperature regulation.

Finished with the Millbrook Ultra Edge support system for confidence right to the sides, the Serenity 4500 sits at 30cm deep and is a non-turn mattress, so it’s easy to care for while staying beautifully consistent night after night.

Handmade in England in Southampton, where Millbrook has been making beds by hand since 1946, every Serenity mattress is backed by a 5 year guarantee and 5 year warranty and built to last 10 years or more.

Explore the full Millbrook mattress collection and more mattresses.

Choosing a mattress? Our mattress guide walks through pocket sprung versus hybrid, firmness and sizing.