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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Auqa prom dress, fresh and bright.One shoulder design, and the shoulders are decorated with beading,..
£102.10 £93.00
Ex Tax: £93.00
Focal of this dress is the back, sequin straps, a plus train, perfect for showing your sexy back. At..
£102.00 £93.00
Ex Tax: £93.00
Regular straps, pleated chest, braid belt, open back, all the detail of this dress are designed to s..
£99.00 £89.00
Ex Tax: £89.00
Top of this dress covered with lace that with Chinese embroidery flowers, elegance and fashion. Cut ..
£124.00 £108.00
Ex Tax: £108.00
This gorgeous is so elegance, we can find designer's kind and considerate heart.Sheath skirt under t..
£98.00
Ex Tax: £98.00
Sequin decorated halter straps and waistband, keyhole from top to waist, layered skirt flares from w..
£94.00
Ex Tax: £94.00
The light pink bridesmaid dress, very hot. No shoulder strap. Waist decorated with lace patterns. Fr..
£97.75 £89.00
Ex Tax: £89.00
Empire waist is best choice for pearl body shapes, this red formal party dress very suitable for the..
£92.00
Ex Tax: £92.00
Remember the snow white story, the Cinderella wear a gown and The Crystal Shoes met her Mr Right. Yo..
£111.00 £93.00
Ex Tax: £93.00
Horizontal draped upper bodice,vertical ruffle layered skirts,this fabulous prom dress coming out fr..
£106.00 £93.00
Ex Tax: £93.00
Sexy and luxuriant is the spirit of this dress. Lace up decorated with sequin and beading,connect th..
£120.00 £108.00
Ex Tax: £108.00
Simple but elegance style with bow knot back,empire waist will length your leg, suitable for hour gl..
£98.00 £88.00
Ex Tax: £88.00
Blue prom dress, looks very stable. Collar and waist are full of beads. Shining. If you wear this go..
£108.61 £98.00
Ex Tax: £98.00
Horizontal top at the bust line,perfct bust and shoulder enhancer.ideal to show off your collarbones..
£119.00 £82.00
Ex Tax: £82.00
Long chiffon prom dress, with the wind to float, delightful and unique.Cross beaded chest, like a bu..
£108.61 £90.00
Ex Tax: £90.00
Is your wedding is spring? Or summer? You can choose the color you want to match the wedding season...
£89.06 £82.00
Ex Tax: £82.00
Yellow dress, very conspicuous. Heart-shaped neckline, more young and beautiful. Waist decorated wit..
£102.10 £83.00
Ex Tax: £83.00
Beaded and draped bust help to accentuate the chest,trumpet with train show off your torso,hip and l..
£123.00 £97.00
Ex Tax: £97.00
Chiffon elegant and romantic, elegant and noble. Chest and waist decorated with beautiful beads. Whe..
£108.61 £88.00
Ex Tax: £88.00
Twist wrinkle at the bust area, sequin the neckline, this dresses focus on showing perfect bust. Ali..
£102.00 £92.00
Ex Tax: £92.00
Deep v neckline design, looks very sexy.This prom dress is floor-length. Are beads around the waist...
£108.61 £92.00
Ex Tax: £92.00
V shaped neckline always good friends for average sized bust girls.This dress style is classic and w..
£103.00 £86.00
Ex Tax: £86.00
Purple retro style dress, let us recall the past moments, classic design, elegance.If you like the s..
£141.20 £107.00
Ex Tax: £107.00
A Grecian goddess style long formal dress with flowers decorated shoulder,empire waist with braid be..
£97.00 £88.00
Ex Tax: £88.00
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Sexy Sparkly Plunging V-Neck Dark Grey Prom Dress with Slit KSP491
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Floral Embellished Sheer Corset Prom Gown - Sweetheart A-line Champagne Gold Tulle Gown KSP655
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Lilac Purple Applique Corset Mermaid Prom Dress KSP632
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