Long Prom Dresses: Elegant Floor-Length & Maxi Styles

Make a grand entrance in our breathtaking collection of long prom dresses. From the timeless volume of a floor-length ball gown to the sleek silhouette of a maxi evening dress, our range is designed to provide maximum glamour. Whether you are looking for long-sleeved lace or a flowing chiffon A-line, our free custom-made service ensures your gown is tailored to your exact height, giving you the perfect 'hollow-to-hem' fit.

▼ Styling Guide: Choosing the Perfect Long Gown

Trending Long Silhouettes: Ball Gowns, A-Lines, and Sheaths

Long prom dresses are the ultimate symbol of formal sophistication for UK Year 11 and Year 13 proms. For 2026, the trends favor full-length ball gowns with dramatic skirts and minimalist satin maxi dresses that offer a sleek, modern look. Whether you prefer the romanticism of long lace gowns or the sparkle of a sequined floor-length dress, a long silhouette provides a statuesque appearance that photographs beautifully from every angle.

The Perfect Length with Free Custom Tailoring

The biggest challenge with floor-length gowns is getting the length exactly right to match your height and your heels. A dress that is too long can be difficult to walk in, while one that is too short loses its formal impact. At HappyProm, we offer free custom sizing, including a specific 'hollow-to-hem' measurement. This ensures your made-to-measure long dress hits the floor at the perfect point, allowing you to move with confidence and grace all night long.

Quality Craftsmanship & Reliable UK Delivery

Our long formal dresses are crafted from premium fabrics such as multi-layered tulle, heavy-weight satin, and delicate chiffon. As a trusted UK-based prom store, HappyProm combines affordable prices with high-end craftsmanship. With fast UK delivery and a dedicated support team, we make finding your dream full-length gown easy and stress-free. Explore our 2026 collection today and find the perfect long dress for your milestone event.

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Step Into the Limelight in Our Orange Organza MasterpieceDare to be different with the KSP653. This ..
£137.00
Ex Tax: £137.00
Classic Sophistication: The Black Satin Off-Shoulder GownRedefine elegance with the KSP670. This bla..
£169.00 £127.00
Ex Tax: £127.00
Exude effortless mystery and elegance in our Black Strapless Corset Prom Dress. This striking gown f..
£138.80
Ex Tax: £138.80
Exude effortless grace in our Blush Pink Off-the-Shoulder Prom Dress. This sophisticated trumpet-sty..
£104.00
Ex Tax: £104.00
Step into the night with confidence in our Art Deco Embellished Black Trumpet Prom Dress. ..
£128.80
Ex Tax: £128.80
Make an unforgettable entrance in our Old Hollywood Glamour Deep V-Neck Long Red Prom Dres..
£99.00
Ex Tax: £99.00
Make a dazzling entrance at your next big event with our KSP655 floral embellished prom gown. This s..
£150.00 £138.00
Ex Tax: £138.00
Exude effortless sophistication in our Greek Goddess Style Halter Neck Illusion Prom Gown. This..
£108.00
Ex Tax: £108.00
Experience a modern fairytale in our Light Blue Strapless Ball Gown. This stunning dress features a ..
£119.00
Ex Tax: £119.00
Step into your own fairytale with our Cinderella meets Siren Light Blue Floral Applique Mermaid..
£117.00
Ex Tax: £117.00
Define Your Curves in Our Lilac Applique Mermaid GownMake an unforgettable entrance with the KSP632...
£138.00 £127.00
Ex Tax: £127.00
Get ready to shine in our Futuristic Metallic Hot Pink Prom Dress. This vibrant A-line gown fea..
£122.70
Ex Tax: £122.70
Exude timeless glamour in our Old Money Aesthetic Navy Blue Satin Mermaid Prom Dress. This soph..
£123.00 £109.00
Ex Tax: £109.00
Discover the perfect balance of romance and modern style in our Off-the-Shoulder Satin Prom Dress. T..
£118.80
Ex Tax: £118.80
Channel your inner princess in our Pink Embellished Corset Prom Dress. This enchanting gown features..
£119.00
Ex Tax: £119.00
Radiate confidence in our Yellow Plunging Prom Dress. This eye-catching gown features a breathtaking..
£120.00 £110.00
Ex Tax: £110.00
Step into the spotlight with our Minimalist Chic Powder Blue Satin V-Neck Prom Dress. This..
£118.80
Ex Tax: £118.80
Turn heads in our Red Satin Corset Prom Dress, a masterpiece of bold elegance and modern structure. ..
£133.00
Ex Tax: £133.00
Embrace a dreamy, ethereal look with our Enchanted Forest Sage Green Sheer Bodice Prom Dress. T..
£129.00
Ex Tax: £129.00
Dazzle the crowd in our Sparkly Sequined Indigo Prom Dress. This breathtaking gown is covered in shi..
£132.00
Ex Tax: £132.00
Make a romantic statement in our Modern Regency Blush Pink Drop-Waist Prom Dress. This exquisit..
£113.00 £99.00
Ex Tax: £99.00
Twirl into your fairytale moment with our Pink Satin and Tulle Splice Prom Gown. This unique ball go..
£102.00
Ex Tax: £102.00
Elevate your look with our Strapless Sage Green Prom Gown. Crafted from high-quality lustrous satin,..
£127.00
Ex Tax: £127.00
Step into a vintage-inspired dream with our Forest Fairy Retro Appliqued Green Lace Prom Dress...
£134.00
Ex Tax: £134.00
Showing 25 to 48 of 401 (17 Pages)
Deals Of The Day
Sexy Sparkly Plunging V-Neck Dark Grey Prom Dress with Slit KSP491
Embrace Modern Sophistication in Our Dark Grey Sparkly GownRedefine evening glamour with the KSP491...
Special price:£95.00
Old price:£120.00
You save:£25.00
Beautiful Sunset Long Ombre Cape Prom Dresses KSP421
The beautiful long prom dresses in color same as sunset in maxi dress style, with this ombre prom dr..
Special price:£118.15
Old price:£128.50
You save:£10.35
Black Crystal Embellished Halter A-Line Prom Dress KSP541
Step Into Elegance with Our Crystal Halter A-Line GownDiscover the perfect blend of modern sparkle a..
Special price:£119.00
Old price:£140.00
You save:£21.00
Floral Embellished Sheer Corset Prom Gown - Sweetheart A-line Champagne Gold Tulle Gown KSP655
Make a dazzling entrance at your next big event with our KSP655 floral embellished prom gown. This s..
Special price:£138.00
Old price:£150.00
You save:£12.00
Lilac Purple Applique Corset Mermaid Prom Dress KSP632
Define Your Curves in Our Lilac Applique Mermaid GownMake an unforgettable entrance with the KSP632...
Special price:£127.00
Old price:£138.00
You save:£11.00
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