Silentnight Essentials Miracoil Ortho Double Mattress
Silentnight

Silentnight Essentials Miracoil Ortho Double Mattress

The Silentnight Essentials Miracoil Ortho Mattress uses a miracoil continuous spring system with head-to-toe rows, which means you and a partner are less likely to roll together in the middle of the night.

  • Firm, flat surface for back sleepers
  • Less partner disturbance & roll-together
  • 60-night trial

£279

Size: Double. Available at Silentnight

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Where can I buy the Silentnight Essentials Miracoil Ortho Double Mattress?

Below are the best prices for the Silentnight Essentials Miracoil Ortho Mattress in a Double. Available from (9) trusted retailers.

Silentnight Essentials Miracoil Ortho Mattress

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Prices last checked:
1st November 2026

Mattress dimensions for the Silentnight Essentials Miracoil Ortho Double Mattress

Length: 190cm

Width: 135cm

(4ft 6in x 6ft 3in)

Minimum room size: 2.6m x 2.8m

Mattress details

Mattress Details for the Silentnight Essentials Miracoil Ortho Double Mattress

Mattress

Silentnight Essentials Miracoil Ortho Mattress

Size

UK Double (4ft 6in x 6ft 3in)

Firmness

Firm

Construction

  • Open Coil Spring

  • Orthopaedic

Depth (cm)

22

Layers

Layer Details

Key benefits

Key Benefits of the Silentnight Essentials Miracoil Ortho Double Mattress

  • Room for two in an ordinary bedroom: We suggest at least 2.6m x 2.8m for a UK double, which means a modest master or second bedroom can usually take it alongside a wardrobe.
  • Space for bedside tables: With around 3m x 3m to play with, you can usually fit a bedside table on each side, so neither of you has to climb over the other.
  • Steadier when one of you turns: Silentnight says the head-to-toe spring rows stop you rolling together, which helps on a UK double where 67.5cm each leaves little spare room.
  • Easy bedding to buy: Double sheets and a 200 x 200cm double duvet fit, which means replacement bedding is simple to pick up when you're kitting out a first flat.
  • A flat feel across the whole bed: The firm rating gives an even surface edge to edge, which suits two back sleepers sharing better than a pair of side sleepers.

Who should buy the Silentnight Essentials Miracoil Ortho Double Mattress?

This size suits you if...

You share the bed with a partner and your bedroom is closer to average than generous, or you're furnishing a guest room for visiting couples. It also works if you sleep alone but like room for a dog or cat curled up at the foot.

Consider another size if...

Either of you is tall, or you both sprawl and 67.5cm each feels tight. We'd recommend the UK king instead, which gives 7.5cm more each and is 10cm longer; allow at least 2.7m x 2.9m.

FAQ's

Frequently Asked Questions About the UK Double

Is a Silentnight Miracoil Ortho double big enough for two adults?

For most couples, yes. A UK double gives 67.5cm each, which is fine if you both sleep fairly still. Larger couples or restless sleepers may feel a little cramped, and the UK king adds 7.5cm each. Silentnight says the spring rows limit roll-together, which helps when space is snug.

What size room do I need for a UK double Miracoil Ortho?

We suggest at least 2.6m x 2.8m. That leaves enough for the bed and a walkway, but if you want a bedside table on each side and a wardrobe door that opens fully, around 3m x 3m is more comfortable.

UK double vs UK king: which suits a smaller bedroom?

The UK double is 15cm narrower and 10cm shorter than the UK king. We suggest at least 2.6m x 2.8m for the UK double against 2.7m x 2.9m for the UK king, so in a tight room the UK double usually leaves more space to walk round.

What bedding fits a 4ft 6in Miracoil Ortho mattress?

Standard double fitted sheets and a 200 x 200cm double duvet fit. The mattress is 22cm deep, so check the fitted sheet's pocket depth suits it. Double bedding is sold almost everywhere, which helps if you're buying for a whole home at once and the budget is spread thin.

Is the UK double much wider than the UK small double?

The UK double is 15cm wider than the UK small double and the same length. That extra width makes the UK double the better pick for two people sharing every night, while the UK small double, which needs at least 2.4m x 2.8m, suits a solo sleeper better.