When it comes to cocktail dress alterations, precision and style matter—especially in London. At Alterations Boutique, we specialise in bringing out the best in your evening wear. Whether your dress needs a slimming adjustment, strap lift, hem tweak, or luxurious restyling, our experienced seamstresses deliver flawless results tailored to your occasion.
Why Choose Us for Your Cocktail Dress?
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Expertise with delicate fabrics & design details – We handle intricate fabrics and embellishments with care
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Over 40 years of tailoring craftsmanship – Trusted by fashion brands and clients across London .
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Premier service with a Perfect Fit guarantee – One-on-one consultations and precision fittings ensure your dress fits like it was made for you .
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Fast-turnaround options – Ideal for last-minute events in need of express service
🎯 Choose the Branch Nearest You
We have four conveniently located boutiques across London—each staffed with expert tailor teams ready to refine your cocktail dress:
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Chelsea
33 Elystan St, London SW3 3NT · Tel: 020 7724 4147 -
Marylebone
4 New Quebec St, London W1H 7RS · Tel: 020 7724 4147 -
Hampstead
62 Rosslyn Hill, London NW3 1ND · Tel: 020 7724 4147 -
Wimbledon
34 High Street, Wimbledon Village, London SW19 5BY · Tel: 020 7724 4147
✨ What We Do for Cocktail Dresses
Our cocktail dress alteration services include:
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Side seams: taking in or letting out for a perfect fit
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Straps: shortening, lengthening, or reshaping for comfort
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Hems: adjusting length to match heels or dress style
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Necklines: reshaping for elegance and balance
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Zipper replacements: ensuring seamless finishes
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Restyling: redesigning details to refresh your look
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General repairs: addressing wear, embellishment work, patches & refittings
💬 Hear from Our Customers
Our dedication to craftsmanship is reflected in countless glowing reviews:
“The attention to detail is second to none… They handled my last‑minute alterations with ease and the results were flawless.”
Available at every branch, this level of excellence and speed means your cocktail dress will look runway-ready—fast.
📅 Book Your Cocktail Dress Fitting Today
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Choose your location based on convenience—whether you're in Chelsea, Marylebone, Hampstead, or Wimbledon.
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Schedule a free consultation and fitting—our one-on-one service ensures precision and style.
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Relax while we perfect your dress—and enjoy confidence knowing we guarantee a perfect fit.
📞 Contact Us
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Phone: 020 7724 4147
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Email:
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🗝️ Final Word
For a beautifully tailored cocktail dress that hugs your silhouette, flows elegantly, and makes a statement, trust Alterations Boutique. With expert craftsmanship, attentive service, and convenient branches across London, we’re your go-to for stunning evening wear adjustments.
Dress to impress—with Alterations Boutique.