Worth waiting

Sealy Harlow Ortho Plus Mattress It's been cheaper.

It was £374 on 13 Nov 2026. It's been £429 or less for 100% of the 33 days we've tracked.

Where today's price sits

£374Lowest we've recorded, 13 Nov 2026

£429Highest we've recorded, 14 Nov 2026

Prices before 14 Nov 2026 come from archived copies of Mattress Online's page, roughly one a month, so short sales in that period may not show.

Want it cheaper? It's been below today's price on 32 of the last 33 days, as low as £374 on 13 Nov 2026.

We'll email you when the Double gets cheaper. One email per drop, and every email has a link to stop.

Price history for the past 33 days

£360£380£400£420£440 £429

Price “Was” price With a code

Prices before 14 Nov 2026 come from archived copies of the page, roughly one a month. From 14 Nov 2026 we check every hour.

When does the Sealy Harlow Ortho Plus Mattress usually go on sale?

It showed a "was" price on 0 of the 1 days we've checked it every hour. The lowest price we've recorded was £374 on 13 Nov 2026.

What's the cheapest price ever recorded for the Sealy Harlow Ortho Plus Mattress?

£374 for the Double, on 13 Nov 2026. We've tracked it since 13 Oct 2026.

How often do you check the price?

Every hour, for every size. We keep every change, which is how we know what it usually costs.