Skip to main contentSkip to footer
Ciinderella Balthazar wears beige heeled sandals, gold pendant earrings, a white long sleeveless dress and a beige leather bag outside Akris show during the Womenswear Fall/Winter 2025/2026 © Getty Images

10 Work-appropriate dresses that are perfect for combatting the heatwave

Modest yet modish options to help you brave the city heat

When you purchase through links on our site, we may earn commission. Read our full commerce guidelines here.

Tania Leslau
Fashion features writer
June 30, 2025
Share this:

When the UK heats up, its residents tend to fall into two camps. The first are euphoric at the sight of actual sunshine breaking through the eternal British grey. The second? Already sweating at the thought of packed public transport and the impossible task of dressing for the office without sparking an HR complaint.

Dressing for a heatwave in this country is a uniquely tricky challenge. Unlike Mediterranean countries where sun-appropriate style is woven into the culture, Brits are often left floundering somewhere between beachwear and business casual -  neither quite right for a commute through the underground or a client-facing Zoom call. 

There’s a fine line between staying cool and staying appropriate, and navigating it often feels like fashion’s equivalent of a tightrope walk.

The key? Clever silhouettes, breathable fabrics, and a shift in mindset around what summer dressing can look like - modest doesn’t have to mean stifling.

Anna Wintour is the reigning expert when it comes to modest summer in the city style© Getty Images
Anna Wintour is the reigning expert when it comes to modest summer in the city style

Labels like Erdem, Leem, and COS are quietly leading the charge in this space, offering designs that feel both elegant and temperature-conscious. Think airy cotton poplin dresses, loose shirt silhouettes, free-flowing skirts, lightweight layers, breezy tailoring and frothy chiffons that offer ventilation without sacrificing polish. 

The result? An effortless middle ground that keeps you looking composed even when your weather app reads 29°C by 9am.

So while dressing for a heatwave might never be easy, it’s increasingly becoming more stylish - no panic necessary.

Discover the top ten dresses that are both chic and appropriate for combatting the summer heat:

Work-appropriate dresses to combat the heatwave:

  • white shirt dress by khaite

    Effy Dress

    Khaite

    Cut from crisp cotton with a touch of silk, Khaite's luxurious Effy dress is the perfect combination of ease and breeze. Simply thrown on and be on your merry way.

  • skall studio airy yellow dress

    Nadja Pleated Cotton Midi Dress

    Skall Studio

    Tap into this season's hottest trend, butter yellow, with Skall Studio's Nadja dress - complete with an airy silhouette and sweet tie detailing across the neckline.

  • reformation blue midi dress

    Lydia Silk Dress

    Reformation

    Crafted from lightweight silk charmeuse fabric, this sleek midi dress is ideal for everyday in-office wear. Short sleeves and a frilled collar make for feminine detailing.

  • Cotton Shirt Dress

    Cotton Shirt Dress

    Arket

    When in doubt, grab a cotton shirt dress. This longline high street option is classic yet conservative in equal measure, ideal for a touch of subtle sophistication in the office.

  • leem green shapeless dress

    Round-Neck Pleated Woven Midi Dress

    Leem

    Leem is a brand that's brimming with modest dresses. Longline cuts merge with earth tones to create elegant options like this round neck number above.

  • Polka dot shirt dress

    Polka Dot Shirt Dress

    Mango

    Tap into the trend of the season with a helping hand from Mango. Polka dots are here to stay, and this affordable sleeveless number is the perfect preppy pick.

  • sandro blue white silk dress

    Spiral-motif Silk Midi Dress

    Sandro

    Swirling into summer with statement-making ease, this Sandro x Louise Bourgeois silk midi dress is a wearable work of art. Cut from pure silk, the sky-blue silhouette boasts a bold spiral motif, a cinched waist and timeless shirt dress finish.

  • Ghospell Solana Midi Dress in butter yellow

    Ghospell Solana Midi Dress

    Sister Jane

    A sun‑soaked dream in buttery yellow, the Sister Jane Solana midi shines bright. Tailored panels hug the figure, while patch pockets and a back slit add modern ease.  

  • PETAL-SLEEVE COTTON MIDI DRESS in sage

    Petal Sleeve Cotton Dress

    Cos

    This serene sage-hued midi is cut from soft cotton‑jersey, featuring sculptural petal‑style sleeves, subtle V‑neck and panelled flare. Effortlessly relaxed yet refined, it closes with a discreet zip for graceful, everyday elegance.

  • Linen Waistcoat Dress

    Linen Waistcoat Dress

    Jigsaw

    Stay crisp and cool this summer. Jigsaw’s black linen waistcoat‑style midi channels sharp tailoring with a touch of high summer chic.

How we chose:

  • Style: We've chosen airy, breezy silhouettes cut from lightweight fabrics to help shoppers combat the humidity - all while sitting under the umbrella of HR-approved.
  • Price: We've included an array of picks with prices for all pockets. 

HELLO!'s selection is editorial and independently chosen – we only feature items our editors love and approve of. HELLO! may collect a share of sales or other compensation from the links on this page. To find out more visit our FAQ page.

Sign up to HELLO! Fashion for style tips, cultural insights, must-have items, and more

By entering your details, you are agreeing to HELLO! Magazine User Data Protection Policy. You can unsubscribe at any time. For more information, please click here.

More The Wish List
See more