Filters & Screens

Top Filters & Screens for Your UK Home: Where to Buy, What to Choose, and How to Fit Them

Why filters and screens deserve your attention

Think of filters and screens as the unsung heroes of a comfortable home — they keep bugs, dust, grease, and water where they belong, not where you live. From airy insect screens that let summer breezes in, to HVAC and water filters that protect your family’s health, these small items have big impact. Whether you live in a city flat or a country cottage, choosing the right screen or filter can save time, reduce allergy symptoms, and even cut energy bills. Ready to shop smart?

Types of filters and screens explained

Before you buy, it helps to know exactly what you need. The market splits into a few clear categories: insect screens for windows and doors, magnetic and retractable options, air filters for heating and ventilation systems, water filters for taps and under-sink units, pond and aquarium filters, grease filters for cooker hoods, and security or mesh screens. Each type solves a different problem, and many UK retailers stock several of them.

Window and door insect screens

These are the classic mesh barriers that stop flies, midges, and wasps. You can get standard fixed frames, roll-up retractable screens, and magnetic options that fit patio doors. Mesh is often described by how many strands per inch — for example, a 20-mesh screen has 20 strands across each inch — and your choice will affect airflow and visibility. Fibreglass mesh is soft and easy to cut, while aluminium is tougher and lasts longer against pets and repeated use.

Magnetic and retractable screens

Want a screen that disappears when you don’t need it? Retractable screens roll away neatly into a cassette and are great for patios where you go in and out a lot. Magnetic screens use strips that snap back together after you walk through. Both are easy to DIY install and are ideal if you value convenience and a neat look.

Air filters for HVAC systems

Air filters trap dust, pollen, pet dander, and even some smoke particles. You’ll see ratings like MERV (a higher number means finer filtration) or generic efficiency percentages. Common practice is to swap typical household furnace or fan filters every 3 months, or sooner if you have pets or allergies. Sizes are usually listed in inches — common sizes include 16 x 20 in or 20 x 25 in — so measure your filter slot in inches before ordering.

Water filters and under-sink systems

From simple tap-mounted cartridges to whole-house systems, water filters remove chlorine, sediment, and sometimes heavy metals or bacteria. Under-sink units tend to offer better tasting water and reduce scale on kettles. Filter cartridge sizes are often specified in inches, and replacement frequency varies from every 3 months to every year depending on usage and filter type.

Pond and aquarium filters

Garden ponds and indoor aquariums have their own filtration needs. Mechanical filters remove debris, biological filters balance the nitrogen cycle, and UV sterilizers help clear algae. Pond pumps are often specified by flow in gallons per hour, and you’ll want a system that matches the size of your pond or tank in gallons.

Grease and cooker hood filters

Cooker hood filters capture grease and prevent it from coating kitchen surfaces. Many are metal mesh that can be washed or replaced, while others are charcoal filters to reduce smells. Measure the hood opening in inches and check whether the filter is washable — a washable aluminium mesh can save money over time.

Security and heavy-duty mesh screens

If security is a priority, heavy-gauge steel mesh or reinforced aluminium screens provide extra protection. These are often used for ground-floor windows and doors or in areas where wildlife like foxes or badgers are a nuisance. They cost more, but they reduce break-ins and stand up to wear and tear.

Top UK stores to buy filters and screens

Different retailers shine in different areas. Some are great for custom-sized screens, others are ideal for cheap replacement filters. Below are the go-to UK stores where you can find a broad range of filters and screens — I’ll point out what each one does best and tips for getting the best value.

B&Q — wide range and DIY friendly

B&Q is a household name in the UK and a go-to for window screens, magnetic door screens, and standard HVAC and water filters. They stock fittings, frames, and often offer cut-to-size mesh kits if you like to DIY. Prices are competitive and there’s a decent mix of budget and premium products. If you plan to measure and fit yourself, B&Q is a solid place to start.

Wickes — solid for home improvement projects

Wickes is a favourite for serious DIYers. They offer reinforced screens, security mesh, and a good selection of air and water filter brands. Wickes is useful if you need sturdier materials for a renovation or a long-term fix and often carries helpful accessories like spline rollers and frame corner sets.

Screwfix — trade-quality filters and fittings

Screwfix caters to tradespeople, so expect professional-grade HVAC filters, mesh, and installation accessories. If you want robust materials that will last through heavy use, Screwfix is ideal. They supply a large range of filter sizes in inches and advanced options like pleated and HEPA-rated filters for specialised needs.

Homebase — practical choices with good seasonal stock

Homebase tends to balance affordability with quality. You’ll find insect screens, magnetic door screens, and basic air and water filters. They often run seasonal promotions in spring and summer when insect screens are in high demand, so keep an eye out if you’re planning ahead for warmer months.

Toolstation — fast and convenient

Toolstation is similar to Screwfix in offering trade-level supplies and often has the practical fittings you need for a quick installation. Their stores and online selection includes HVAC filters and mesh by the roll, which is handy if you’re cutting multiple screens or working on several rooms.

Robert Dyas — handy household options

Robert Dyas focuses on home essentials and carries a tidy range of mesh screens, magnetic strips, and smaller water filtration units. If you like one-stop shopping for household upgrades, this store is convenient and approachable, especially for renters or first-time homeowners.

Amazon UK and eBay — selection and custom options

Online marketplaces like Amazon UK and eBay offer massive selection and often custom-sized options from third-party sellers. You can find retractable screens, bespoke mesh by the inch, HEPA filters, and niche items like pet-proof screens. Look at seller ratings and check dimensions carefully — measure in inches, and compare product photos and reviews before you click buy.

Specialist filtration retailers and local fabricators

For bespoke security screens, precision-cut insect screens, or commercial-grade filters, search for specialist retailers or local fabricators. These suppliers can cut frames to exact inch measurements, recommend the right mesh count for your situation, and sometimes install for you. They cost more, but the fit and finish are worth it for unusual windows or tricky doorways.

How to measure correctly — avoid costly mistakes

Measure twice, cut once — it’s the golden rule. Use a steel tape measure in inches and always call out the narrowest measurement when ordering multiple pieces. For window screens, measure frame width and height inside the groove in inches and allow a little tolerance, typically 1/8 in, so the screen slides in smoothly. For air filters, write down the filter slot dimensions in inches exactly as you see them, including thickness like 1 in, 2 in, or 4 in. For water filters and under-sink units, measure cupboard clearance in inches to ensure the cartridge will fit.

Material choices: what works best for your situation?

Choosing mesh or filter material is like picking shoes: fit the use case. Fibreglass mesh is lightweight and affordable — good for standard insect screens. Aluminium mesh is more durable and pet-resistant. Stainless-steel mesh is the toughest and can double as a security measure. For air filters, pleated media captures more particles than flat filters, while HEPA-grade options trap very fine particles. For water filters, carbon blocks improve taste and odour, while sediment filters remove visible grit.

Installation tips and when to call a professional

Installing a basic window or magnetic screen is usually a simple DIY job: cut the mesh to size, press it into the spline groove, trim excess, and snap the frame into place. For retractable systems or security mesh, installation can be trickier and often needs drilling and precise alignment. If you’re dealing with HVAC ductwork, gas appliances, or plumbing for under-sink systems, get a professional — a botched install can reduce efficiency or cause leaks. Think of a pro as a seatbelt: an extra precaution that’s worth it when risk is involved.

Maintenance: how to clean and when to replace

Regular maintenance keeps screens and filters working at their best. Wash aluminium and fibreglass screens with mild soap and water every 6 to 12 months, or more often if you live near trees or a lake. Air filters usually need replacement every 1 to 3 months; if you have pets or allergies, check monthly and change sooner if clogged. Water filter cartridges commonly last between 3 and 12 months depending on usage and quality. Grease filters in cooker hoods can be washed monthly to keep the fan efficient and fresh-smelling.

Budgeting: how much should you expect to spend?

Costs vary widely. Basic insect screens can be as cheap as a few pounds per square foot, while retractable or magnetic systems can run into several hundred pounds for a large patio door. HVAC filter packs are relatively cheap per filter, but premium HEPA filters cost more. Custom security screens and bespoke metalwork are the most expensive. A helpful approach is to balance upfront cost against longevity: a stronger aluminium screen might cost more today but save you replacement costs later.

Eco-friendly options and recycling

Many filters and screens now come in recyclable or biodegradable materials. Look for washable aluminium or stainless-steel filters that can be cleaned instead of replaced, and check if your local council accepts used filter cartridges as general waste or for specialist recycling. Choosing a reusable screen over single-use plastics reduces landfill and tends to be cheaper over the long run — like switching from disposable coffee cups to a reusable mug.

Final buying checklist

Here’s a quick checklist to take into the store or to the checkout online: measure in inches, know the mesh count you need, decide between washable and disposable filters, check material durability if you have pets, compare prices across B&Q, Wickes, Screwfix, Homebase, Toolstation, and online marketplaces, and, where applicable, opt for trade-quality items for high-use areas. That little list will keep you from impulse-buying the wrong size when you get home.

Conclusion: Filters and screens may not be glamorous, but they protect comfort, health, and the longevity of your home. From simple window mesh that keeps midges away to robust HVAC and water filters that improve indoor air and water quality, choosing the right product and the right retailer matters. Measure in inches, pick the best material for your needs, and don’t be afraid to ask for help when installing complex systems. A small investment today can mean fewer headaches tomorrow, and a home that feels fresher, cleaner, and more secure.