Roughly 13 million people in the UK suffer from hayfever, and millions more are affected by year-round allergens like dust mites, pet dander, and mould. While you cannot control the pollen count outside, you can significantly reduce allergen levels inside your home through targeted cleaning strategies.
This guide covers what triggers allergies in the home, how to reduce exposure season by season, and which cleaning techniques make the biggest difference.
Understanding Indoor Allergens
Dust Mites
The most common indoor allergen in the UK. Dust mites are microscopic creatures that live in soft furnishings, bedding, and carpets. They feed on dead skin cells and thrive in warm, humid environments — making British homes ideal habitats.
It is not the mites themselves that cause allergic reactions but their faecal pellets and body fragments, which become airborne when disturbed.
Pollen
During spring and summer, pollen enters your home through open windows, on clothing, on pets, and in your hair. Once inside, it settles on surfaces, soft furnishings, and floors.
UK pollen seasons:
- Tree pollen: February to June (peak: April-May)
- Grass pollen: May to August (peak: June-July)
- Weed pollen: June to September
Pet Dander
Proteins found in pet skin flakes, saliva, and urine are common allergens. Pet dander is extremely light and remains airborne for hours. It also sticks to clothing, furniture, and walls.
Mould Spores
Mould releases spores that are a significant allergen, particularly for asthma sufferers. Mould thrives in damp conditions — bathrooms, kitchens, window frames, and poorly ventilated rooms.
Season-by-Season Allergy Cleaning
Spring (March-May): The Pollen Offensive
Spring is when most allergy sufferers first notice symptoms. Tree pollen counts rise, and the instinct to open windows after winter lets pollen flood in.
Cleaning priorities:
- Create a pollen barrier: Keep windows closed during peak pollen hours (early morning and late afternoon). Use trickle vents for ventilation instead.
- Vacuum daily: Use a vacuum with a sealed HEPA filter. Focus on areas near windows and doors where pollen accumulates.
- Wipe hard surfaces daily: Pollen settles on every surface. A damp microfibre cloth traps and removes pollen — dry dusting just redistributes it.
- Wash bedding weekly at 60°C: This kills dust mites and removes accumulated pollen. If you have been drying bedding outdoors, switch to indoor drying during high-pollen days.
- Shower before bed: Pollen collects in hair and on skin throughout the day. Showering before bed prevents transferring it to your pillow and sheets.
- Create a "clean zone": Designate the bedroom as a pollen-free zone. Change clothes before entering, keep the door closed, and use an air purifier.
Summer (June-August): Grass Pollen Peak
Grass pollen is the most common trigger for hayfever in the UK, affecting around 95% of hayfever sufferers.
Cleaning priorities:
- Increase vacuuming to daily or every other day: Grass pollen is heavier than tree pollen and settles on floors quickly.
- Wash pets after walks: Dogs carry significant amounts of pollen on their coats. A quick wipe-down with a damp cloth after walks reduces what they bring inside.
- Mop hard floors after vacuuming: Vacuuming lifts some pollen but a damp mop catches the rest.
- Clean air conditioning filters: If you use portable AC or fans, clean or replace filters monthly during summer.
- Wash curtains and blinds: These trap pollen throughout the season. Vacuum blinds weekly, wash curtains monthly.
Autumn (September-November): Mould Season
As temperatures drop and humidity rises, mould becomes the primary indoor allergen concern.
Cleaning priorities:
- Address damp areas: Check window frames, bathroom corners, and behind furniture on external walls for mould growth.
- Clean extractor fans: Bathroom and kitchen fans work harder in autumn. Clean the covers and fan blades monthly.
- Use a dehumidifier: Aim for indoor humidity between 40-50%. A dehumidifier in the bathroom and bedroom makes a significant difference.
- Clear fallen leaves from gutters: Blocked gutters cause damp on external walls, which leads to internal mould. This is a maintenance task but directly impacts indoor air quality.
- Deep clean the kitchen: Autumn is a good time for a thorough kitchen clean, including behind and under appliances where mould can develop unnoticed.
Winter (December-February): Dust Mite Peak
Central heating and closed windows create the warm, still conditions dust mites love. Meanwhile, spending more time indoors increases exposure.
Cleaning priorities:
- Wash bedding weekly at 60°C: This is the single most effective anti-mite measure. The temperature kills mites — a 40°C wash does not.
- Use allergen-proof bedding covers: Encase mattresses, pillows, and duvets in anti-allergy covers. These create a barrier between you and the mites inside the bedding.
- Vacuum mattresses monthly: Use the upholstery attachment to vacuum the entire mattress surface.
- Reduce soft furnishings: Cushions, throws, and rugs harbour dust mites. In the bedroom, keep soft furnishings to a minimum.
- Dust radiators: When heating comes on, dust on radiators becomes airborne. Clean radiators before and during the heating season.
- Ventilate daily: Even in winter, open windows for 10-15 minutes daily to exchange stale, mite-laden air with fresh outdoor air.
The Allergy-Friendly Cleaning Toolkit
Essential Equipment
- HEPA-filter vacuum: Non-negotiable for allergy sufferers. A sealed HEPA filter traps 99.97% of particles, including dust mite allergens and pollen. Without it, your vacuum is redistributing allergens.
- Microfibre cloths: Used damp, they trap and hold allergens instead of scattering them. Far superior to dusters or dry cloths.
- Dehumidifier: Maintaining humidity below 50% creates conditions dust mites cannot survive in.
- Air purifier: A true HEPA air purifier in the bedroom reduces nighttime allergen exposure significantly. Run it continuously, not just when you notice symptoms.
- Mattress and pillow protectors: Anti-allergy encasements with zip closures. Replace annually.
Products to Use
- Fragrance-free cleaning products: Synthetic fragrances can trigger or worsen allergy symptoms. Choose unscented products or those scented only with natural essential oils.
- Steam cleaner: Steam cleaning kills dust mites on contact without chemicals. Effective on carpets, upholstery, mattresses, and curtains.
- Damp-dust spray: A light mist of water or an anti-static dusting spray on your microfibre cloth improves dust capture.
Products to Avoid
- Aerosol sprays: These propel fine chemical droplets into the air you breathe. Use trigger sprays or pour-and-wipe products instead.
- Heavily scented products: Artificial fragrances are common irritants. "Fresh linen" and "spring meadow" scents contain numerous synthetic chemicals.
- Feather dusters: These scatter dust rather than capturing it. Use a damp microfibre cloth instead.
Professional Cleaning for Allergy Sufferers
A professional deep clean every 3-4 months, combined with weekly allergy-focused maintenance cleaning, is the gold standard for managing indoor allergens.
When booking a professional clean, communicate your allergy needs:
- Request fragrance-free or hypoallergenic products
- Ask for thorough vacuuming of upholstery, mattresses, and curtains
- Prioritise mould-prone areas in bathrooms and kitchens
- Request damp-dusting rather than dry-dusting on all surfaces
Our cleaners are trained in allergy-aware cleaning techniques and can adapt their approach based on your specific triggers.