Does the Brand Phase Eight Run Big or Small? What Is Their Sizing Like—and What’s Worth Buying?

Phase Eight is a much-loved British brand known for elegant occasionwear, flattering day dresses, and smart-casual staples. Whether you're heading to a wedding, office, or weekend brunch, their feminine designs and wearable shapes appeal to women of all ages. But if you're shopping online, there's one key question: Does Phase Eight run big or small?

✨ Tellar.co.uk instantly matches your body to Phase Eight sizing—plus thousands of other brands. You’ll get a free measuring tape, complete a one-time setup, and get size recommendations that are always accurate. It’s completely free. No size charts. No second guessing.

In this guide, we’ll explain how Phase Eight fits, how it compares to UK high-street and premium brands, what styles run small or large, and which categories you’ll want to try first.

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About Phase Eight: Timeless Style with a Modern Twist

Founded in London in 1979, Phase Eight built its name on designing wearable yet elegant clothes for real women. Its collections cover:

• Special occasion outfits

• Workwear and smart separates

• Easy-to-style jersey dresses

• Chic wedding guest looks

• Petite and plus size ranges

The brand uses UK sizing, but the cut and shape of individual pieces can still vary—especially between their tailored and relaxed collections.

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So—Does Phase Eight Run Big or Small?

Overall, Phase Eight runs true to size, but fit varies depending on the style and cut:

• Structured dresses and fitted pieces may feel snug around the bust or waist

• Relaxed dresses and jersey styles run slightly large or true to size

• Trousers and jumpsuits are often cut slim through the waist and hip

• Petite range is well-proportioned but may run short in the torso for some

That’s why Tellar.co.uk’s Size Lookup Tool is ideal—it matches your body shape to Phase Eight’s garment specifications in seconds.

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UK Sizing at Phase Eight: Quick Fit Chart

🎯 Want precise results? Create your free Tellar profile and get matched to your perfect Phase Eight size (and thousands of other brands) in less than 60 seconds.

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Phase Eight Sizing by Category

1. Dresses (Casual, Occasion, Jersey)

Phase Eight is best known for its extensive dress offering.

• Fit:

  • Jersey/knit styles – true to size or slightly relaxed

  • Structured occasion dresses – fitted at waist and bust

• Tip: Size up in bodycon styles or if you have a fuller bust

• Tellar Tip: Tellar matches your bust-to-waist ratio to determine exact dress size

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2. Jumpsuits

Often elegant, wide-legged, or sleeveless with a tailored torso.

• Fit: Slightly snug in torso and waist

• Tip: Size up if you’re tall or long in the body

• Tellar Tip: Torso length and hip width help Tellar get your jumpsuit fit right

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3. Blouses, Tops & Knitwear

Styles vary from fitted satin blouses to soft jersey layers.

• Fit: True to size; slightly generous in relaxed or batwing styles

• Tip: Choose based on bust size and sleeve preference

• Tellar Tip: Shoulder span and bust shape are used to refine top sizing

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4. Trousers, Skirts & Tailoring

Structured separates in crepe, cotton, and viscose blends.

• Fit: Slim through waist and hip

• Tip: Size up if between sizes—especially in non-stretch trousers

• Tellar Tip: Tellar considers your waist-hip ratio and rise measurement

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5. Outerwear & Coats

From tailored wool coats to padded jackets.

• Fit: Mostly true to size, with room for layering

• Tip: Stick to your normal size unless very broad-shouldered

• Tellar Tip: You can toggle “I wear layers under coats” for accurate results

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Why Phase Eight Sizing Still Causes Confusion

While Phase Eight uses UK sizes, some styles are more fitted, others more relaxed. Add in structured fabrics, different sleeve lengths, and variation across seasonal collections—and fit becomes inconsistent.

Instead of trial and error, Tellar.co.uk matches your body to the brand’s actual fit data across all categories. You’ll know exactly what size to buy—whether it’s a stretch-jersey midi dress or a satin-trim trouser suit.

📏 We’ll even send you a free measuring tape to get started. Enter your measurements once, and you’re set—for Phase Eight and thousands more.

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Popular Phase Eight Styles (With Fit Notes)

⭐ Rosanna Embroidered Dress

• Fitted bodice with sheer sleeves

• Fit: Slightly small in bust, true elsewhere

• Tellar Tip: Perfect for bust-to-waist adjustment

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⭐ Clara Jumpsuit

• Wide-leg, V-neck, belted

• Fit: True to size, but tight in torso for tall shoppers

• Tellar Tip: Torso length matters—Tellar calculates it for you

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⭐ Isla Wrap Dress

• Jersey blend, waist tie

• Fit: True to size or slightly relaxed

• Tellar Tip: Wrap position aligned with waist height and bust width

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⭐ Wool-Blend Longline Coat

• Belted waist, semi-structured shoulder

• Fit: True to size with room for light layering

• Tellar Tip: Shoulder width, bust and sleeve length all included

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Related Fit Guides You’ll Love

• Hobbs: Does It Run True to Size?

• Whistles Fit Guide

• Coast Occasionwear Sizing

• Reiss Fit Review

• How to Measure Yourself for a Better Fit

Use the Tellar Store Lookup Tool to check your size in any brand you’re shopping.

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Why Tellar Is a Must for Phase Eight Shoppers

Phase Eight is known for elevated design and structured tailoring—but one wrong fit can ruin the look. Tellar helps you:

✅ Get it right first time

✅ Skip size charts completely

✅ Match to thousands of brands instantly

✅ Shop with confidence—always free

🎁 Create your free Tellar profile and unlock your perfect size in Phase Eight (and beyond).

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Follow Tellar for Weekly Fit Guidance

• Instagram: @Tellarsizing

• Pinterest: TellarUK

• Facebook: Tellar Sizing

• Twitter (X): @Tellar100

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Final Verdict: Is Phase Eight True to Size?

Mostly, yes—but structured pieces can feel snug depending on your body shape. Knowing whether a jumpsuit runs long or a dress runs narrow in the bust makes all the difference—and that’s where Tellar.co.uk excels.

🎯 No more guesswork. Just enter your profile once, and find your size in thousands of brands—Phase Eight included.

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✅ Start Now

• Create Your Free Tellar Profile

• Check Your Phase Eight Size Instantly

• Explore the Sizing Blog

Find your size in thousands of brands. It’s free & easy.