double mattresses
Worth a lookShows a $13.0M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size
Incredible£13.0M£13.0M/yr · 6.1M searches
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Competition
Great24%top-5 click share — an open shelf
Brand share
Great47%top-5 brand share — no brand owns this niche
Avg price
Good£102.96avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Good1,246.71avg incumbent reviews — the moat a new listing must climb
Conversion
Okay2.1%search→purchase rate — share of searches ending in a sale
Growth
Bad-12.4%90-day search growth — must beat 0% to launch
Price range
Bad£28.60–£459.21cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, double mattresses is a £13.0M/yr Amazon United Kingdom market (6.1M searches/yr). The top 5 brands hold 47% of demand. Verdict: Worth a look — 66/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
double mattresses market data
- Units sold / yr
- 100K–125K
- avg 1,250–1,500/product
- Revenue / yr
- £10.3M–£12.9M
- units × avg price
- Conversion rate
- 2.1%
- Avg BSR
- #69
- Page quality
- 0%
- Prime
- 86%
- Sponsored
- 98%
- Out of stock
- 19.7%
- Avg brand age
- 44 months
- Avg seller age
- 181 days
Competition & brand share
Clicks spread well past the top 5 (24% combined) — an open shelf where new products get seen.Brands
41 falling
Sellers
61
Top-5 brand share
47%
Top 20: 85%
Top-5 click share
24%
Top 20: 52%
Open market
49%
- dosleeps14%
- BEDZONLINE12%
- Twirest8%
- Uliyati7%
- TeQsli6%
- Sleremind5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -12.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top double mattresses search terms
- double mattresses1.6M/yr
- king size mattress992K/yr
- double mattress709K/yr
- small double mattresses463K/yr
- memory foam mattress451K/yr
- double bed mattress232K/yr
- super king mattress251K/yr
- small double mattress242K/yr
- double memory foam mattress153K/yr
- kingsize mattress136K/yr
Top double mattresses products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
BEDZONLINE Hybrid Memory Foam & Spring Mattress - UK Double | 190 x 135 x 20 cm | Breathable & Hypoallergenic | Medium-Firm Support | Standard Tight Top Comfort | Durable & Long-Lasting
BEDZONLINE£69.214.0★6,946 rev
Black Luxury Budget mattress. Cool Touch Quilted. Perfect for Bunk Beds Cabin Beds etc Single / 3ft Small Double / 4ft Double / 4ft6 King / 5ft /6ft (Single)
Generic£44.684.1★132 rev
dosleeps Double Mattress 4FT6 | 10 Memory Foam & Pocket Sprung | 9-Zone Orthopedic Support Breathable Cover Motion Isolation Medium Firm Edge Support 135x190x25cm
dosleeps£129.864.5★3,412 rev
dosleeps King Size Mattress 5FT | 10.6 Extra Thick Memory Foam & Pocket Sprung | 9-Zone Orthopedic Support Medium Firm Motion Isolation Edge Support 150x200x27cm
dosleeps£173.164.4★2,598 rev
Uliyati Double Mattresses Memory Foam Mattress Breathable Mattress for Cool Sleep & Pressure Relief - Medium Mattress 135x190x20CM CertiPUR-US Certified
Uliyati£93.114.6★452 rev
Newest
by launch date
SANA SLEEP 4FT6 Double Mattress 11 Zone Orthopedic Double Mattress Pocket Spring Mattress Motion Isolation Pressure Relief Supportive & Comfortable 135x190x27 cm
SANA SLEEP£92.0250 rev
Matoresu Hybrid Double Mattresses 4ft6 25cm Medium Firm Pocket Sprung 7-Zone OEKO-TEX Certified Motion Isolation & Pressure Relief for Back Pain 135x190cm
Matoresu£80.78368 rev
Queblox Double Mattress 4FT6 11Inch Memory Foam 7 Zone Orthopedic Double Mattress Pocket Sprungs Medium Firm - Motion Isolation 135x190x28 cm
Queblox£87.58108 rev
Twirest Double Mattress 22CM Gel Memory Foam Pocket Sprung Mattresses with Breathable Soft Fabric for Cool Sleep Mattresses Double for Pressure Relief Medium Firm Mattress in a Box 135x190x22cm
Twirest£83.32129 rev
NIXNAP King Mattress 5FT 10 Inch Hybrid Mattress Gel Memory Foam & Individually Pocket Springs 9-Zone Orthopaedic Medium Firm for Pressure & Back Pain Relief 150x200x25 cm
NIXNAP£125.73138 rev
Trending
90-day click momentumSANA SLEEP 4FT6 Double Mattress 11 Zone Orthopedic Double Mattress Pocket Spring Mattress Motion Isolation Pressure Relief Supportive & Comfortable 135x190x27 cm
SANA SLEEP£92.024.5★
Matoresu Hybrid Double Mattresses 4ft6 25cm Medium Firm Pocket Sprung 7-Zone OEKO-TEX Certified Motion Isolation & Pressure Relief for Back Pain 135x190cm
Matoresu£80.784.4★
Queblox Double Mattress 4FT6 11Inch Memory Foam 7 Zone Orthopedic Double Mattress Pocket Sprungs Medium Firm - Motion Isolation 135x190x28 cm
Queblox£87.584.8★
TeQsli 5FT King Mattress 10 Inch Gel Memory Foam Pocket Spring Hybrid Mattress Medium Firm Back Pain & Pressure Relief - Edge Support & OEKO-TEX Certified 150x200x25cm
TeQsli£123.614.5★
Novilla 4FT6 Double Pocket Sprung Mattresses 8 Inch Medium Soft Spring Mattress with Breathable Sprung System Cool Touch Oeko Fabric 135x190x20cm
Novilla£59.144.0★
What buyers say about double mattresses
What buyers praise and complain about, mined from review topics.What buyers love
“Comfortable and supportive”
“Fair price”
“Amazing quality”
“This is a really good memory foam mattress”
“Very smoothy and comfortable”
“It's true to size”
“Lovely and thick”
“you dont sink”
“As advertised”
“still cushioned enough to stay comfortable”
What buyers complain about
“it caused more discomfort”
“its too low quality”
“doesnt fit”
“For me its a bit too soft”
“Feels more expensive than than it is”
“Not memory foam”
“seem not durable”
“Then starts to sink”
“Box is very heavy”
“Bit misleading”
Top return reasons
Common questions
- Is double mattresses profitable to sell on Amazon United Kingdom?
- The niche generates £13.0M/yr across 92 tracked products. 32 of 34 products launched in the last 360 days are still selling. 90-day search growth is -12.4%. Flapen's verdict: Worth a look (66/100).
- How competitive is the double mattresses niche?
- 41 brands and 61 sellers compete. The top 5 products take 24% of clicks and top 5 brands hold 47% of demand.
- What do buyers complain about in double mattresses?
- Top complaints mined from reviews: Comfort-Overall, Quality-Overall, Size-Overall. The return rate is 0.8%.
- When does demand for double mattresses peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the double mattresses niche?
- Listings span £28.60–£459.21; the average listing price is £102.96 (sweet spot $15–$100). The average incumbent carries 1,247 reviews — the moat a new listing must climb.