Mattress deals for July 2019

Looking to grab a mattress deal this (so far sunny) July? We're here to help you get a luxury mattress for a budget price. Read on to find out how

mattress deal: Eve Sleep bed and mattress
(Image credit: Eve)

Looking for a great mattress deal to brighten up July? Research shows you should be getting around eight hours of sleep each night (although you, like us, might be struggling with all this warm weather), and if you add that up, you'll realise that's a third of your life in bed recharging. So, spending a few £££s on the best mattress seems pretty fair, right? 

However, there's definitely no need to over-spend when purchasing a mattress, which is where we come in.

You can indeed put a price on a good night's sleep, but we'll make sure it's the best one around thanks to our intuitive price comparison tools and recommendations from our experts. Use the links (right) to jump to the best current mattress deals.

The best mattress deals right now

These are the best mattress deals to bag right now. They're ranked by our pick of the best mattresses, with number one, the Casper Mattress being first. If you want to find out more about any of the mattresses below, don't miss our mattress reviews – each one below has been given a rigorous testing by our expert.

Casper Mattress | 15% off using the code RAINORSHINE

Casper are currently giving customers 15 per cent off their award-winning mattresses, use the code RAINORSHINE at checkout to claim. What better time to grab a bargain? Also, the Casper Mattress is the best mattress you can but in the world right now, in our opinion. Deal Ends: 1st July.View Deal

Eve Mattress | 20% off when you spend £500

Fancy a huge 20 per cent off your next purchase when your basket exceeds £500? Use the code FEELINGFRESH at checkout to claim.  The Eve mattress is our third pick of the best mattress you can buy, and it's great for back sleepers. Deal Ends: 3rd July.View Deal

Leesa Mattress |Up to £100 off all mattress

Enjoy an incredible amount of money off your next purchase at Leesa. No matter the size, no matter the mattress, use code REST100 at checkout to claim. It's worth noting that the Leesa Mattress is our top pick of the best mattress for temperature regulation. Deal ends: 2nd July.View Deal

Emma Mattress| Buy 2 for 5% off OR 10% off Emma pillow when you buy a mattress at Amazon 

There are two different Emma deals currently on at Amazon for you to take advantage of. Firstly, if you're thinking of buying more than one Emma mattress , you can get five per cent off. Maximum discount is £118.66, making two super king size Hybrid mattresses just £1069.94. Buying an Emma pillow? Here's 10 per cent off, making the price just £48.10. Oh, and did we mention that the Emma Mattress is the best mattress for fidgets? Deal ends: Unknown.View Deal

Dormeo S Plus | Save up to £120.99 at Very

Rated our pick of the sixth best mattress you can buy, the Dormeo S Plus is ideal for flexible comfort. Currently, Very has slashed the price of this mattress by £120.99, making a single size just £239 and a super king £479. Bargain! Deal ends: Unknown.View Deal

Silentnight EcoComfort Breathe 2000 | 20% off at Argos

Use the code FURN20 for 20 per cent off this Silentnight mattress when shopping at Argos. After all, it is our pick of the best eco friendly mattress you can buy. Deal ends: Unknown.View Deal

Simba Hybrid mattress | 2 free pillows when you buy a mattress

Use the code FREEPILLOWS at checkout to claim two memory foam pillows with your new mattress purchase. We promise you won't regret it as the Simba mattress is our pick of the best hybrid mattress you can buy. Worth £120, these pillows are built to last and feature temperature regulating technology and they're hypoallergenic. Deal ends: Unknown.View Deal

Nectar Mattress | Two free pillows when you purchase 

For a limited time only, Nectar is giving away two free pillows worth £70 with every mattress order. And, there's no code needed, the saving will automatically be applied at checkout.With sizes to suit all beds from a single to a small double, double, king and super king; they won't just deliver your new mattress for free, but they'll also take your old one away. Also, the Nectar mattress is our best mattress for joint pain. Deal ends: Unknown.View Deal


Is my new mattress the right size?

Before you buy in a rush, desperate to score that brilliant mattress deal, check you've got the size right. Here are the choices:

Single: 90cm x 190cm
Small double (often called a queen): 120cm x 190cm
Double: 135cm x 190cm
King: 150cm x 200cm
Super king: 180cm x 200cm

In the market for an affordable mattress? We've found the cheapest mattress deals out there and popped them below. Prices start at just £50! We've ranked them from low to high price just to make it easier, too.

Cool Blue Memory Sprung Mattress | Was from £129.99 now from £50 | Save from £79.99

A bargain price for a new mattress at just £50 for a single size, this memory sprung mattress helps to relieve pressure points while sleeping. It features a hypoallergenic filling as well as a quilted cool-touch cover, too. And it comes vacuum-packed and rolled in a box. Perfect!View Deal

Will your mattress fit your bed frame?

Take care to compare the mattress widths and lengths with your bed measurements. For example, Ikea has European and UK standard sizes of beds from single to kingsize, with the standard UK sized frames differing dependant on design, so to be sure you may want to head over to their online guide.

Pure Relief Memory Foam Mattress | Was from £449 now from £79 | Save from £370

Available in small single to super king sizes, this memory foam mattress is 20cm deep. It also has a removable (and washable) hypoallergenic cover and the mattress is dust and mite resistant so ideal for allergy sufferers.View Deal

Silentnight Comfortable Foam Mattress | Was £149 now £107.99 at Wayfair | Save £41.01

Available in a single, EU single, double, EU double, king and EU king, this rolled comfortable foam mattress is great for any bedroom. Made up of high density Miratex® foam for maximum support, it also comes with a five year guarantee.View Deal

Classic Gold Ortho Mattress | Was from £349.95 to £594.95 now from £114.95 to £254.95 at mattressonline | Save up to £340

Mattress Online is currently selling this Classic Gold Ortho Mattress at 65 per cent off. It's available in 10 different sizes, and they're offering free next day delivery. A mattress deal not-to-miss.View Deal

Silentnight Ortho Dream Star Miracoil Mattress | Was from £299.95 to £649.95 now from £174.95 to £329.95 from mattressonline | Save up to £320

The best mattress deal for those who prefer a firmer sleep surface, the Silentnight Ortho Dream Star mattress features Eco Comfort Fibres for eco-friendly comfort, and a Miracoil spring system for extra firm orthopaedic support.View Deal

Sealy Posturepedic Aspen Mattress | Was from £420.67 to £844.01 now from £170.20 to £352.75 at mattressonline | Save up to £491.26

A great mattress for those after something firm which offers excellent orthopaedic support, this hand-tufted Aspen mattress has a luxurious damask cover for the best night's sleep.View Deal

Luna Memory 1000 Pocket Mattress | Was from £345 to £700 now from £224.95 to £399.95 | Save up to £300.05

For a perfect nights sleep every night, opt for the Luna memory mattress. Made from a blend of 1,000 individual pocket springs with a Luna Fusion Cool Memory layer for enhanced support, comfort is guaranteed.View Deal

Novo Natural Pocket 1000 Mattress | Was from £368 to £735 now from £249.95 to £499.95 at mattressonline | Save up to £235.05

With 30 per cent off and free next day delivery, this is a pretty good mattress deal. The Novo Natural Pocket mattress has been designed and crafted with comfort in mind, as it features 1,000 pocket springs and luscious natural layers of wool.View Deal

The best mattress retailer deals

Is the mattress right for you?

There are a few different types of materials used in mattresses, as well as hybrid options that include latex or gel, but the two most common types are memory foam and pocket sprung.

What about mattress firmness? Mattresses range from soft medium; medium; medium firm; to firm and extra firm.

Prefer to shop for a new mattress by retailer deals? We've scoured the internet and found the best mattress retailer deals on right now. Enjoy!

Mattress Online | Sealy sale up to 60% off 

Want to get an amazing mattress deal? Head over to Mattress Online where there is up to 60 per cent off selected Sealy mattresses and free next day delivery! Deals end: 31 July.View Deal

Dreams | Half price summer sale

Grab your dream bed and mattress for a bargain at Dreams right now. Be quick, the sales won't be around for long. Deals end: 30 July.View Deal

Argos | 20% off selected mattresses

Bag 20 per cent off your next mattress when you shop at Argos using the code FURN20 at checkout. The offer includes the Simba Hybrid mattress and the Silentnight EcoComfort Breathe 2000 too. Deals end: Unknown.View Deal

Silentnight | £75 off when you recycle your existing mattress

Head to Silentnight for a mattress bargain this month. Prices start at just £79 for a cot mattress, single mattresses are from £119, doubles are from £179 and super kings are from £369.View Deal

Soak & Sleep | Spring sale up to 50% off 

Grab up to 50 per cent off a mattress for Soak & Sleep's spring sale promotion. Prices start at £142.50...View Deal

Mattress Firm | 4th July sale sneak preview 

Enjoy major discounts on America’s best-selling mattress brands from Beautyrest to Serta and Sleepy's. The best deals include a Serta Alesbury Foam queen mattress now starting from just $397, and a Beautyrest Greenwood Firm queen mattress now just $397 too. You can save up to $400 on other selected mattresses and the more you spend, the more freebies you get.View Deal

OTTY Sleep | 35% off ALL mattresses

This month you can get 35 per cent off mattresses on the OTTY site. Their bundles are also discounted, so you can get a single mattress, bed frame and one pillow for just £564.99 as oppose to £754.97; that's just the start. Not a bad price for a whole new bedroom, essentially.View Deal


In addition to the best mattress deals we can find at the moment, we've also included highlights of some of the best mattresses around and the cheapest prices for them. You probably already have a size in mind if you're replacing an old mattress or fitting on an existing bed frame, so we've split this article into different size guides to help you out, from a twin (aka the single in the UK) to a California king bed.

Best single or twin mattress deals

US: Twin mattress dimensions: 39-inch x 75-inch. Depth varies.
UK: Single mattress size: 90cm x 190cm approx. Depth varies.

Despite the twin name, this is the smallest mattress size found outside of baby cots and cribs. Generally used in children's rooms or in smaller living spaces like studio apartments for adults, if you're tall, it's worth noting that they're only 75 inches in length (US).

Best twin xl mattress deals

US: Twin XL mattress dimensions: 39-inch x 80-inch. Depth varies.

Rarely seen in the UK, the twin XL isn't actually that much bigger than a twin mattress: it's five inches longer but the same width. Ideal if you're limited on space or have a teenager at home who won't stop growing.

Best double or full-size mattress deals

US: Full-sized mattress dimensions: 54-inch x 75-inch. Depth varies.
UK: Double mattress size: 135cm x 190cm approx. Depth varies.

The double mattress, also known as a full-size in the US, is a good option for your first bed big enough for two. It's 54 inches wide so if you or your partner are prone to moving around much during sleep it might be worth considering something larger. Smaller apartments or guest rooms might be a better match with this size.

Best queen size mattress deals

US: Queen size mattress dimensions: 60-inch x 80-inch. Depth varies.

Not often seen in the UK, Queen mattress deals are the most in-demand of all bed sizes in the US thanks to their happy medium of decent size and low cost. Both wider and longer than the full-sized double mattresses, a queen is the one most people go for if their room can accommodate a bed of this size (at least 10ft x 10ft).

Best king size mattress deals

US: King-sized mattress dimensions: 76-inch x 80-inch. Depth varies.
UK: King-size mattress size: 152cm x 198cm approx. Depth varies.

For professional sprawlers or families with young children who like to hop in bed with their parents some nights or early mornings, as far as bedroom sizes go, you'll be needing a room measuring around 12ft x 10ft. More often than not, this is the biggest size most manufacturers do for mattresses. 

Best super king or California king mattress deals

US: California king mattress dimensions: 72-inch x 84-inch. Depth varies.
UK: Super king mattress size: 180cm x 200cm

The biggest size available in the USA, the California king mattress is oddly enough actually four inches less wide than the king but four inches longer. Perfect for taller people and those with invading kids or a sleeping dog at the end of the bed.

Mattress topper deals

It's a smart idea, that if you're buying a new mattress, to also buy a topper with it. Not only does a mattress topper supplement the comfort of your mattress, but it can also add support to a mattress that may be too soft or firm for your liking.

Read our best mattress toppers guide or see below for the best ones and their cheapest prices.

Mattress protector deals

Along with your new mattress purchase, you're going to want to add a mattress protector to your basket, too. After all, there's no point in forking out lots of money on an expensive, luxury mattress if you're not going to protect it, right? A mattress protector is an item of removable bedding which simply just sits on top of your mattress to protect it from spillages or stains and also allergens and irritants like bed bugs, mould or dead skin.

Find our pick of the top 10 mattress protectors, or scroll to shop the best four and where to buy them from.