Midi Dresses

Looking for the perfect midi dress? Sister Online offers a stylish selection of women's midi dresses for everyday wear, work and special occasions. With hemlines falling between the knee and ankle, midi dresses are a versatile choice for every season. From printed dresses and relaxed styles to sophisticated designs for events and evenings out, find a look to suit your wardrobe.

Sale 50% off
Only One Left

Marta Ikat Print Loose Bodied Dress Blue/brown

Regular price £75.00 £37.50 50% off
Save £37.50
Unit price
per 
Sale 34% off
Only One Left

Part Two Lizell Zip Top Long Cord Shirt Dress With Split Front Black

Regular price £144.95 £94.99 34% off
Save £49.96
Unit price
per 
Sale 50% off

Tinta Style Sagrario Thick Jersey High Neck Retro Swirl Print Dress Jade Multi

Regular price £119.00 £59.50 50% off
Save £59.50
Unit price
per 
Sale 50% off

Alice Collins Skylar Zip Up Nehru Collar Sketch Print A Line Dress Navy Multi

Regular price £89.00 £44.50 50% off
Save £44.50
Unit price
per 
Sale 40% off

Oui Metallic Fitted Dress With Ruched Knot Side Champagne

Regular price £159.00 £95.40 40% off
Save £63.60
Unit price
per 
Sale 50% off

Ana Alcazar Asymmetric Neck Diamond Lurex Dress Black/green/gold

Regular price £249.00 £124.50 50% off
Save £124.50
Unit price
per 
Only One Left
Only One Left
Only One Left
Sale 50% off

Aspiga Victoria A V Neck Tiered Hem Needlecord Long Dress Atlantic Blue

Regular price £279.00 £139.50 50% off
Save £139.50
Unit price
per 
Sale 50% off

Aspiga Trinity Button Down Baby Cord Gathered Waist Dress Navy

Regular price £189.00 £94.50 50% off
Save £94.50
Unit price
per 

Our Purpose

At Sister, our purpose is simple: to make fashion personal. We believe shopping should feel inspiring, not overwhelming, and our boutique offers a place where you can build your whole wardrobe without needing to go anywhere else. Every piece we stock is chosen to bring joy, confidence, and practicality into our customers’ everyday lives.

Learn more

Exclusive Pieces

Every piece is selected for individuality and quality.

Trusted for Generations

35 years in business, customer returning for 30+ years.

Personal Touch

Styling advice, honest fit guidance & over the phone support.