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


Modest yet modish options to help you brave the city heat


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Tania Leslau
Tania LeslauFashion Features Editor
Updated: May 20, 2026
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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.

Andy Sachs © The Devil Wears Prada
Take it from Andy Sachs - heat-ready workwear needn't be boring

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.

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. 

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

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:

  • Bubble Jacquard Pedernal Midi Dress

    Bubble Jacquard Pedernal Midi Dress

    Edeline Lee

    Tap into this season's hottest trend - candy pink - with Edeline Lee's playful yet modest midi dress - complete with a belted waistband and the designer's signature pebble jacquard texture. 

  • Aintana Dress

    Aintana Dress

    Reformation

    Crafted from lightweight organic cotton, this sleek midi dress is ideal for everyday in-office wear. Short sleeves and a ruched bodice 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.

  • 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.

  • 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.

  • Check Dress with Draped Collar

    Check Dress with Draped Collar

    Mango

    Reinvigorate your in-office arsenal with a lick of striking print. Checks are here to stay, and this affordable sleeveless number is the perfect preppy pick.

  • PLEATED COTTON-LINEN MAXI DRESS

    Pleated Cotton-Linen Maxi Dress

    Cos

    Keep it classic and classy with Cos' sleeveless black midi option. We'd style ours with a spattering of chunky silver jewels and some matching black shades. 

  • Utility Concealed Placket Column Maxi Dress

    Utility Concealed Placket Column Maxi Dress

    Sister Jane

    Channel utilitarian-chic this season with Topshop's beige column dress - cool enough to wear confidently on the city streets and structured to perfection for modish board meetings. 

  • Brown Sleeveless Spot Viscose Midi Dress

    Brown Sleeveless Spot Viscose Midi Dress

    Whistles

    Deer print (also known as fawn print) is back on the scene, peppering the fashionscape from the high street to high fashion with its sweet, spotted design. Add a brown belt and kitten heels to Whistles' adorable number for a smart, summer ensemble.

  • Long Linen Dress

    Long Linen Dress

    Massimo Dutti

    This chicer-than-chic midi number is cut from soft linen, featuring a breezy silhouette and a timeless khaki hue. Effortlessly relaxed yet refined, it softly sculpts the waist for a touch of everyday elegance.

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. Best Quality Designer Handbag may collect a share of sales or other compensation from the links on this page. To find out more visit our FAQ page.

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