Blackout curtains are one of the smartest home upgrades in 2025. Whether you want better sleep, less noise, or lower electricity bills, these curtains offer a simple and effective solution. Made from thick, light-blocking materials, blackout curtains help you create a peaceful indoor environment by blocking sunlight, reducing outside noise, and even helping to regulate room temperature.
With more people working night shifts, living in busy cities, or seeking energy-efficient homes, blackout curtains are becoming a top choice for bedrooms, nurseries, and even living rooms. This complete UK-focused guide explains what blackout curtains are, how they work, the different types available in 2025, and how to choose the best one for every room in your home.
What Are Blackout Curtains?

Blackout curtains are specially designed window coverings made from thick, tightly woven fabrics that block out sunlight almost entirely — up to 99% of incoming natural light. This makes them different from standard curtains or even room-darkening ones, which reduce brightness but do not completely eliminate it. Blackout curtains create a true dark room effect, making them ideal for light-sensitive situations.
They are commonly used in:
- Bedrooms
- Nurseries and kids’ rooms
- Home cinemas or media rooms
- Offices or study spaces
- Flats near street lights
- Homes of night-shift workers
In 2025, blackout curtains in the UK come in a wide range of styles, from minimalistic panels to decorative prints. Many include:
- Triple-weave fabric technology for better insulation
- Thermal layers for energy efficiency
- Smart features like motorised tracks
- Eco-friendly and flame-retardant materials
- Noise-reducing linings
Key Benefits of Blackout Curtains

Better Sleep Quality
By blocking sunlight, street lights, and headlights, blackout curtains help create a dark environment for better rest. This is especially useful for shift workers, children, or people with sleep issues. Darker rooms can support melatonin production and regulate sleep patterns.
Energy Savings
Thermal blackout curtains add insulation to your windows. In hot weather, they block heat; in winter, they help retain warmth. This reduces the need for constant heating or cooling, lowering your energy bills over time.
Did You Know? Thermal curtains can reduce heat loss through windows by up to 25% in UK homes.
Noise Reduction
Blackout curtains can reduce outdoor noise, especially those with foam or insulated backings. While they don’t offer full soundproofing, they do help dampen urban traffic or neighbour noise.
Improved Privacy
Unlike sheer or light curtains, blackout options ensure complete privacy at night. They’re perfect for bedrooms and bathrooms, especially on lower floors or roadside-facing rooms.
Protect Furniture & Floors
By blocking UV rays, blackout curtains protect furniture, wood flooring, and artwork from fading. They’re especially useful in south-facing rooms.
Wellness Support
Great for those with light sensitivity, autism, or migraines, blackout curtains provide a calm and controlled indoor atmosphere.
Types of Blackout Curtains

1. Thermal Blackout Curtains
Designed with extra lining to insulate the room. Best for energy-conscious households. They are highly effective in preventing heat loss during winter and reducing heat gain in summer, making them ideal for UK homes with older window installations.
2. Noise-Reducing Curtains
Include multiple layers or foam backing to cut down on external sounds. These are perfect for properties located near busy roads, train stations, or commercial areas. They also add a layer of warmth and thickness to the room.
3. Portable Blackout Curtains
Use suction cups or Velcro. Ideal for renters or frequent travellers. These are especially handy for temporary setups, such as rented student accommodations or holiday homes.
4. Smart or Motorised Curtains
Controlled via apps or smart assistants like Alexa. Great for modern homes. Many models offer timer settings and integration with home automation systems, allowing users to schedule curtain opening and closing for improved energy efficiency.
5. Decorative Blackout Curtains
Available in prints, patterns, and fabrics like linen or velvet to suit interior designs. These provide both functionality and style, making them suitable for living rooms, dining spaces, or guest bedrooms where aesthetic appeal is equally important.
6. Layered Blackout Curtains
A combination of sheer and blackout fabrics in one setup, offering flexibility in light control throughout the day. This dual-function option is gaining popularity in 2025 UK households.
7. Flame Retardant Blackout Curtains
Designed with safety in mind, these curtains meet fire resistance standards, making them ideal for children’s rooms, kitchens, and public spaces.
8. Eco-Friendly Blackout Curtains
Made using recycled materials or organic cotton with blackout lining. These are a sustainable choice for environmentally conscious consumers in the UK.
How to Choose the Right Blackout Curtains

Fabric and Lining
Choose triple-weave polyester, thermal backing, or foam-insulated materials. Look for recycled or sustainable fabrics for eco-conscious homes.
Purpose of the Room
- Bedroom: Go full blackout with insulation
- Nursery: Soft, safe, washable options
- Living Room: Balance design and function
Measurements and Fitting
- Curtains should extend 15–20 cm beyond the window on each side
- Drop should reach the floor or puddle slightly
- Use 1.5x to 2x the pole width for fullness
Heading Style
- Eyelet (ring-top): Modern and easy
- Pencil pleat: Traditional look
- Tab top: Casual and simple
Colour and Design
Choose colours that match your décor. Dark shades block more light, but light fabrics with blackout linings also work well.
Budget
UK blackout curtains typically range from £20 to £150 per pair. Smart or motorised options may go higher.
Tip: Look for seasonal offers at Dunelm, John Lewis, IKEA UK, M&S, or Argos.
Read Also: The Luxury Home Theater Experience: Features to Create a Cinema-Like Atmosphere
Best Blackout Curtains for Every Room in the UK (2025)

Room | Recommended Product | Features | Price Range | Retailer |
---|---|---|---|---|
Bedroom | Dunelm Luna Blackout Eyelet Curtains | Thermal lining, 100% blackout, multiple sizes and colours | £28 – £65 | Dunelm.co.uk |
Living Room | John Lewis Velvet Blackout Curtains | Elegant design, soft-touch velvet, thermal and light-blocking | £65 – £120 | Johnlewis.com |
Nursery/Kids | IKEA MAJGULL Blackout Curtains | Affordable, washable, great for nurseries and playrooms | £25 – £35 | IKEA.co.uk |
Home Office | Argos ColourMatch Thermal Curtains | Noise reducing, ideal for work-from-home environments | £20 – £30 | Argos.co.uk |
Budget Pick | Wilko Plain Blackout Curtains | Simple, effective blackout on a small budget | £15 – £25 | Wilko.com |
Smart Option | SwitchBot or Aqara Smart Electric Curtains | App-controlled, smart home compatible, timer settings | £90 – £200+ | Amazon.co.uk |
Frequently Asked Questions (FAQs)
Are blackout curtains machine-washable?
Yes, most are. Always check the care label first.
Can blackout curtains help with high energy bills?
Absolutely. They help retain heat in winter and block excess heat in summer.
Do they reduce noise completely?
They reduce but don’t fully eliminate noise. Look for noise-reducing varieties for best results.
Can I use blackout curtains in rented homes?
Yes. Portable or suction-based options are perfect for renters.
Are they safe for children’s rooms?
Yes, but always choose cordless designs and fire-retardant materials.
Conclusion
In the UK, where energy costs and urban lighting are constant challenges, blackout curtains are a smart and stylish solution. Whether you’re upgrading your sleep, insulating your space, or adding privacy, blackout curtains offer real, everyday benefits. Choose wisely, based on your room, budget, and goals — and enjoy a calmer, cosier home.