Price Match Promise 
Pay Monthly 
500+ Beds 
Est. 1956 
Free Delivery Adjustable Bed Mattresses
Discover comfort and support with an adjustable mattress, designed to work seamlessly with electric and profiling bed bases. Unlike conventional mattresses, adjustable mattresses are created to adapt to your individual sleep needs. This flexibility can help improve comfort for those experiencing back pain or circulation issues, or for anyone who prefers a more supportive, adjustable sleep position — our Mattress Buying Guide explains what to consider when choosing a mattress for use on an adjustable base.
Our range includes adjustable mattresses from trusted UK and Irish manufacturers such as Mi-Bed, Adjust-A-Bed and Respa, offering tailored support across a variety of comfort levels. Designed to move smoothly with adjustable bed mechanisms, these mattresses help promote better sleep quality and long-term wellbeing through personalised support and pressure relief.
Showing 37–48 of 157 results
Adjust-A-Bed Gel-Flex Pillow Top Adjustable Bed Super King Size Mattress
- 5 Years warranty
- 2 free pillows
- 6 Sizes
- Foam
- Gel
MiBed Cool Gel Medium Double Adjustable Bed Mattress
- 5 Years warranty
- 6 Sizes
- Foam
- Gel
MiBed Lewes Small Double Adjustable Bed Mattress
- 5 Years warranty
- 6 Sizes
- Memory Foam
Adjust-A-Bed Ortho Memory Adjustable Bed Mattress
- 5 Years warranty
- 6 Sizes
- Memory Foam
Adjust-A-Bed Gel Flex Ortho Small Double Adjustable Bed Mattress
- 5 Years warranty
- 2 free pillows
- 6 Sizes
- Foam
- Gel
Adjust-A-Bed Pure 2000 King Size Adjustable Bed Mattress
- 5 Years warranty
- 2 free pillows
- 6 Sizes
- Natural Filling
MiBed Cool Gel Firm Small Double Adjustable Bed Mattress
- 5 Years warranty
- 2 free pillows
- 6 Sizes
- Foam
- Gel
MiBed Walden Memory on Pocket Soft Double Adjustable Bed Mattress
- 5 Years warranty
- 2 free pillows
- 6 Sizes
- Memory Foam
Adjust-A-Bed Super King Size Backcare Firm Adjustable Bed Mattress
- 5 Years warranty
- 6 Sizes
- Foam
Adjustable Mattresses from Leading Specialist Brands
At Dalzells of Markethill, we offer an excellent selection of adjustable mattresses. With stock available, we’re confident you’ll find the right match for your adjustable bed. We also provide Free Delivery across Northern Ireland and Counties Cavan, Louth, Meath, Monaghan and Dublin. Your new mattress will be delivered to a room of your choice, unwrapped, and all packaging removed. Dalzells Beds also offer excellent delivery rates across the rest of Ireland. Call, email or visit in-store for expert guidance, multibuy savings and our Price Promise. At Armagh Beds, we’re committed to helping customers choose quality beds and mattresses with confidence. We are accredited as an NBF (National Bed Federation) Premier Retail Champion, offering reassurance that we meet recognised industry standards, and we provide expert advice, showroom support and reliable local delivery — find out more about why customers choose us.