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.

Show:
Sort By:
Exude Regal Glamour in Our Dark Blue Corset Ball GownMake a grand, unforgettable entrance with the K..
£150.00 £130.00
Ex Tax: £130.00
Embody Royal Elegance in Our Pink Satin Halter Ball GownMake an unforgettable entrance with the KSP5..
£107.00
Ex Tax: £107.00
Make a high-fashion statement with our Sparkle effect Metallic Purple Halter Prom Dress. T..
£122.70
Ex Tax: £122.70
Channel Goddess Vibes in Our Royal Blue A-Line GownMake a radiant statement with the KSP528. This ro..
£99.00
Ex Tax: £99.00
Embrace High-Fashion Drama in Our Ruby Red Feather GownCommand the room with the KSP629. This ruby r..
£127.00 £117.00
Ex Tax: £117.00
Embrace Modern Glamour in Our Shimmering Green Square Neck GownMake a high-fashion statement with th..
£109.00
Ex Tax: £109.00
Radiate Timeless Elegance in Our Silver Grey Lace GownEmbrace your moment in the spotlight with the ..
£119.30
Ex Tax: £102.00
Step Into the Future of Elegance in Our Metallic Silver GownCommand the room with the KSP605. This s..
£150.00
Ex Tax: £150.00
Bloom with Grace in Our Dusty Blue 3D Floral MasterpieceWalk into your special night like a dream wi..
£130.00
Ex Tax: £130.00
Steal the Limelight in Our Glitter Blue Sheath MasterpieceRadiate confidence and glamour with the KS..
£160.00
Ex Tax: £160.00
Timeless Elegance in Our Champagne & Ivory Illusion GownDiscover the perfect balance of romance ..
£125.00
Ex Tax: £125.00
Captivate in Our Pink Plunging V-Neck & Keyhole Back GownStep onto the red carpet with the KSP27..
£149.00 £119.00
Ex Tax: £119.00
Own the Night in Our Red Two-Piece Crystal MasterpieceMake an unforgettable entrance with the KSP464..
£120.00
Ex Tax: £120.00
Radiate Joy and Elegance in Our Flowing Yellow Halter GownShine brighter than the sun with the KSP37..
£100.00
Ex Tax: £100.00
Embrace Grandeur in Our Red Cross Neckline Ball GownStep into the spotlight with the KSP524. This re..
£110.00
Ex Tax: £110.00
Exude timeless sophistication in our Dark Green Halter Bridesmaid Dress. This elegant sheath-silhoue..
£102.00
Ex Tax: £102.00
Captivate the Crowd in Our Asymmetric Embroidered Satin MasterpieceMake a bold fashion statement wit..
£107.50
Ex Tax: £107.50
Define elegance in our Blue Lace Mermaid Bridesmaid Dress. This breathtaking form-fitting gown featu..
£120.00 £92.00
Ex Tax: £92.00
Plunging v-neckline to cinched waist, wide straps over shoulder criss-cross at back and tie up and t..
£92.00
Ex Tax: £92.00
Make a bold statement with our Emerald Green Mermaid Bridesmaid Dress. This striking floor-length go..
£102.00
Ex Tax: £102.00
Illuminate the Night in Our Golden Champagne Sleek GownStep into the spotlight with the KSP527. This..
£110.00
Ex Tax: £110.00
A Symphony of Shine and Satin in Emerald GreenRedefine your red-carpet moment with the KSP636. This ..
£117.00
Ex Tax: £117.00
Exude Intellectual Elegance in Our Ink Blue Lace GownStep away from the ordinary with the KSP486. Th..
£130.00 £120.00
Ex Tax: £120.00
Master Modern Sophistication in Our Navy Blue Off-Shoulder GownDiscover the perfect balance of grace..
£119.30 £113.55
Ex Tax: £97.00
Showing 97 to 120 of 406 (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
Happyprom © 2026