Thermal curtains are lined or densely woven window coverings that slow heat loss through glass in UK winters and also help keep rooms cooler in summer.
Prices checked on Amazon UK, 27 October 2026.
Thermal curtains are lined or densely woven window coverings that slow heat loss through glass in UK winters and also help keep rooms cooler in summer. Many are sold as blackout or room-darkening pairs with eyelet headings. They suit bedrooms, living rooms and draughty windows when you want a softer option than cling film. This guide compares thermal curtains on size, panel count, heading style, fabric and blackout claims from each Amazon UK listing. Curtain prices change with colour and drop, so the table shows the size we priced. We found 8 thermal curtains in stock on Amazon UK with a live buy-box price when we checked on 27 October 2026. Our overall pick is the Deconovo Super Soft Thermal Eyelet Curtains 46x90 at £28.04, the budget pick is the PONY DANCE Blackout Curtains Grey 46x54 at £9.72, and our pick for living rooms is the Deconovo 100% Blackout Curtains 66x90 at £36.99. Prices and stock change often, so check both on Amazon before you buy.
Quick comparison
| Product | Price | Best for | Size priced | Panels | Top style | Fabric (listing) | Blackout claim (listing) |
|---|---|---|---|---|---|---|---|
| Deconovo Super Soft Thermal Eyelet Curtains 46x90 | £28.04 | Longer drop pair | W46 x L90 (2 panels) | 2 | Eyelet | Polyester | Blackout / thermal insulated (listing) |
| PONY DANCE Blackout Curtains Grey 46x54 | £9.72 | Lowest price pair | W46 x L54 (2 panels) | 2 | Eyelet / grommet | Polyester (listing) | 85–95% light block (listing) |
| Deconovo 100% Blackout Curtains 66x90 | £36.99 | Living room large | W66 x L90 (2 panels) | 2 | Eyelet | Polyester + black backing | 100% blackout (listing) |
| Deconovo Blackout Thermal Curtains 46x54 Black | £12.97 | Short black pair | W46 x L54 (2 panels) | 2 | Eyelet | Polyester | Blackout / thermal insulated (listing) |
| BOSKI LONDON Thermal Eyelet Curtains 45x72 | £16.99 | Colour accent | W45 x L72 (2 panels) | 2 | Ring top / eyelet | Polyester | Blackout (listing) |
| Dreamscene Pink Thermal Eyelet Curtains 66x90 | £23.99 | Large pink pair | W66 x L90 (2 panels) | 2 | Eyelet | Polyester | Blackout / thermal (listing) |
| Fusion Sage Green Thermal Eyelet Curtains 66x72 | £24.99 | Sage green dim-out | W66 x L72 (2 panels) | 2 | Eyelet | 100% polyester | Dim-out / energy saving (listing) |
| Deconovo Total Blackout Faux Linen 52x84 | £37.99 | Faux linen total blackout | W52 x L84 (2 panels) | 2 | Eyelet | Faux linen polyester + coating | 100% shading (listing) |
Specs from each Amazon UK listing (– = not stated on the listing); prices checked on Amazon UK on 27 October 2026.
Our picks
Deconovo Super Soft Thermal Eyelet Curtains 46x90
Deconovo Super Soft Thermal Eyelet Curtains 46x90
£28.04
Best overall
PONY DANCE Blackout Curtains Grey 46x54
PONY DANCE Blackout Curtains Grey 46x54
£9.72
Best budget
Deconovo 100% Blackout Curtains 66x90
Deconovo 100% Blackout Curtains 66x90
£36.99
Best for families
How we pick
We shortlist products sold on Amazon UK using capacity, features, customer ratings and price band. We do not lab-test every model unless a page says so. The Amazon page is the live price. How we recommend.
Compare at a glance
| Product | Last Amazon price | Buy |
|---|---|---|
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£28.04
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£9.72
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£36.99
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£12.97
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£16.99
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£23.99
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£24.99
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£37.99
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The products
Buying advice
Our top picks
Best overall: Deconovo Super Soft Thermal Eyelet Curtains 46x90 (£28.04). A soft-touch polyester pair in black at W46 x L90 inches (2 panels). Triple-weave blackout with thermal insulation and noise-reduction wording on the listing. Longer drop suits many bedrooms and nurseries.
Best budget: PONY DANCE Blackout Curtains Grey 46x54 (£9.72). The cheapest pair here. Two grey eyelet panels at W46 x L54 inches with triple-weave blackout (85–95% light block on the listing) and thermal insulated fabric for retaining room heat.
Best for living rooms: Deconovo 100% Blackout Curtains 66x90 (£36.99). Large living-room sized pair at W66 x L90 inches with black backing for a 100% blackout claim on the listing. Thermal insulated multi-layer construction and ready-made eyelets. Priced in natural sand.
Other thermal curtains worth a look
Deconovo Blackout Thermal Curtains 46x54 Black (£12.97). Classic black pair at W46 x L54 inches. Triple-weave thermal blackout with energy-saving and noise-reduction features on the listing. Machine washable with low iron.
BOSKI LONDON Thermal Eyelet Curtains 45x72 (£16.99). Mustard two-panel ring-top curtains at W45 x L72 inches. High-density polyester with thermal insulation and blackout comfort wording on the listing for bedroom or living room use.
Dreamscene Pink Thermal Eyelet Curtains 66x90 (£23.99). Blush pink energy-saving blackout pair at W66 x L90 inches. Soft thermal lined curtains with eyelet hanging on the listing. Hand wash or machine wash care noted.
Fusion Sage Green Thermal Eyelet Curtains 66x72 (£24.99). Sage green Strata collection pair at W66 x L72 inches. Dim-out woven polyester with energy-saving wording; dry clean only on the listing. Ten brushed silver eyelets per panel.
Deconovo Total Blackout Faux Linen 52x84 (£37.99). Faux linen look with blackout coating. Two panels at W52 x L84 inches and an explicit 100% shading claim on the listing, plus thermal insulated energy-saving wording.
Pairs vs single door panels
Most bedroom and living room buys are two-panel packs so you can dress a window from both sides. Single panels such as door curtains are useful for patio or internal doors, but they are covered in more detail in a separate door-curtain guide.
Always check whether the stated width is per panel or for the pair, and measure your pole before you order.
Blackout claims and thermal fabric
Listings often combine thermal insulation with blackout or dim-out claims. Darker colours usually block more light. Deconovo's 66x90 and faux linen options state 100% blackout; others quote percentage ranges such as 85–95%.
Thermal fabric slows heat transfer through the glass; it does not replace loft insulation, but it is a common UK winter upgrade for draughty windows.
What to look for in thermal curtains
Size. Match width and drop to your pole and sill or floor; sizes here are as priced on Amazon UK.
Panels. Two-panel packs suit most windows; single panels suit doors.
Heading. Eyelet and ring-top are common; check rod diameter on the listing.
Blackout level. Read the listing claim (dim-out, 85–95%, or 100%) and prefer darker colours for sleep.
Care. Many are machine washable; some need dry clean only.
Colour and fabric. Polyester triple-weave is common; velvet and faux linen change the look and weight.
How we chose these picks
We only included products that were in stock on Amazon UK with a single live buy-box price in pounds when we checked on 27 October 2026, read with a UK delivery address. We skipped listings showing low stock, no stock line or unclear details, and we avoided repeating products already featured in our other guides. Specs in the comparison table come from each product's Amazon UK listing, and a dash means the listing does not state that detail. Descriptions are based on what each listing says; we have not tested these products ourselves, and we have not used star ratings or review counts.
Prices were checked on Amazon UK on 27 October 2026 and can change at any time. Check the current price, details and delivery date on Amazon before you order.
Frequently asked questions
Are thermal curtains worth it?
They can be if you have single glazing or a cold window bay. Listings in this guide describe thermal insulation that helps retain room heat in winter. Savings depend on your home, so treat energy-saving claims as listing wording rather than a bill guarantee.
Are thermal curtains blackout?
Often yes, or close. Many thermal curtains here also claim blackout or dim-out. PONY DANCE quotes 85–95% light block; some Deconovo pairs claim 100% blackout with a black backing or coating. Check the blackout column in this guide.
Do thermal curtains keep heat out?
In summer, denser thermal fabrics can reduce heat gain through glass, which several listings mention. In winter the same layer helps keep heat in. They are not air conditioning, but they are a common way to soften temperature swings at the window.
Do thermal curtains really work?
Yes as an insulating layer at the window when they fit well and are closed. Warmth and light control still depend on fabric weight, colour and how completely they cover the glass. Compare the size and blackout details on each listing before you buy.
