How to Find Your Size in Tea Dresses — And Get the Fit Exactly Right

Finding your size in a tea dress means sizing for three things simultaneously: your bust, your waist, and your hips — and in a dress style where the fit through the bodice is everything, getting even one of those wrong can ruin the whole look. I once ordered a beautiful floral tea dress in my "usual" size 12, and it was perfectly fitted through the waist but completely unwearable across the bust. It went straight back. The annoying thing? If I'd checked the actual measurements against the size guide, I would have known immediately to go up a size. Tea dress sizing is a little more nuanced than most people realise, so let me walk you through it properly.

Tea dresses — those beautiful, typically knee-length or midi styles with a fitted bodice, defined waist, and full or floaty skirt — are genuinely one of the most flattering silhouettes you can wear. They work across body shapes, they transition effortlessly from casual to smart, and there's a tea dress out there for every budget. But the fit really has to be right. A too-tight bodice or a gaping neckline ruins the whole thing. Here's how to get it right every time.

The Three Measurements That Matter

For a tea dress, forget thinking about it as just a "size 12" or "medium." What you actually need to know is:

Bust: Measure around the fullest part of your chest, keeping the tape parallel to the floor. Wear a well-fitting bra when you do this. This is your most important measurement for tea dresses — the bodice has to fit here first.
Waist: Measure at your natural waist — the narrowest point, usually an inch or two above your belly button. Tea dresses typically nip in here, so if you have a smaller waist relative to your bust, this matters.
Hips: Measure around the fullest part of your hips and bottom. Most tea dresses have a gathered or A-line skirt, which means the hip measurement is less critical than the bust — but you still want to check it against the brand's guide.

Write all three down in centimetres. Most UK brands use cm in their size guides, and it's much more precise than going by dress size alone.

Bust-Forward Sizing: The Tea Dress Rule

This is the bit that trips people up most. Tea dresses are cut to the bust first — the rest of the dress (waist, skirt) is designed to float or gather away from the body below the bodice. So if you're between sizes, always size for your bust measurement. A too-small bodice is unwearable. A slightly roomier skirt? Completely unnoticeable — in fact, for a tea dress, a little extra skirt volume is often a good thing.

If you have a larger bust relative to your waist, look for brands that offer adjustable ties or wrap-style bodices — these give you far more flexibility across the bust and waist simultaneously.

Length and Proportions: Getting the Silhouette Right

Tea dresses traditionally sit below the knee, but most modern versions are sold as either knee-length or midi. Your height matters here:

If you're petite (under 5'4"): A knee-length tea dress will often hit mid-calf on you, which can shorten your silhouette. Look for brands that offer a petite range — or go for a knee-length style that you know will sit right. Many brands now list the model's height alongside the garment length, which is genuinely useful.
If you're tall (5'8"+): Check the actual dress length in the product description, not just the label (midi, maxi, knee-length). What photographs as "midi" on a 5'6" model may sit well above the knee on you.
If you're in between: Most brands cut their standard tea dresses for around 5'5"–5'7", so you're in the sweet spot. A midi tea dress will typically hit mid-calf, which is the most flattering length for the style.

What to Check When Trying On (or Ordering Online)

The bodice sits flat against your chest with no gaping at the neckline or pulling across the bust
Button-through styles button without pulling — if the buttons are straining, size up regardless of what the label says
The waist sits at or near your natural waist, not riding up or dropping down
You can raise your arms and sit down comfortably — armholes on tea dresses can run small, particularly in vintage-inspired styles
The skirt has enough volume to move freely — it should swish, not cling

Best Brands for Tea Dresses: My Honest Picks

I've worn a lot of tea dresses — genuinely, it's probably my most-worn dress style — so here's where I'd actually spend my money at every price point.

High Street:

White Stuff — My absolute go-to for printed tea dresses. Their sizing is generous and consistent, their fabrics are lovely (lots of cotton and linen), and their size guides are detailed and reliable. A brilliant starting point.
Boden — One of the best brands in the UK for classic tea dress silhouettes. Their Penny dress and Amelie styles are perennial bestsellers for good reason — beautifully cut, flattering, and they last for years. Check the fabric blend, as the cotton styles run slightly smaller than the jersey ones.
Monsoon — Brilliant for occasion-ready and printed tea dresses. Monsoon's sizing tends to run slightly generous, which is great news if you're between sizes — size down if you want a more defined waist.
Fat Face — Underrated for tea dresses. Their casual cotton styles are relaxed and easy-fitting, with a laid-back, summery quality that feels very wearable. Good for a slightly more relaxed fit.
Phase Eight — Excellent for smarter tea dress styles that work for weddings, events, or polished summer dressing. Their sizing is on the more tailored side, so measure carefully and check the size guide every time — I've found them slightly inconsistent across different styles.
Hobbs — Beautiful, classic British tea dress styling with a premium feel at a mid-range price point. Known for clean florals and elegant cuts. Sizing tends to run true to UK standard.
Anthropologie — For something a bit more unique. Anthropologie's tea dress selection is romantic and distinctive — lots of embroidery, interesting prints, and feminine detailing. Their sizing follows standard UK sizing but note that some styles are US brands sold through the site, so always check the specific garment's size guide.

Premium:

LK Bennett — The go-to for occasion tea dresses and smart garden party dressing. Their cuts are elegant and well-structured, particularly around the bodice. Sizing is consistent and on the standard side — true to UK sizing in most styles.
Reiss — Sleek, modern takes on the tea dress silhouette. Less overtly floral than some brands, with a more polished, editorial feel. Reiss sizing tends to run slightly smaller than high street equivalents, so size up if you're on the cusp.

Luxury/Designer:

Claudie Pierlot — A Parisian brand with an effortlessly chic take on the tea dress. Beautiful fabrics, thoughtful cuts, and that particular quality of looking undone and polished at the same time. Sizing follows French sizing — always convert carefully, and note that the cut is more tailored than many UK brands.

Two independent brands worth knowing:

Kitri — A brilliant London-based independent brand with a loyal following and genuinely beautiful tea dress styles. Their prints are distinctive, the quality is excellent for the price, and their size guides are detailed and easy to use. A real find if you haven't discovered them yet.
Dôen — A cult independent brand known for romantic, vintage-inspired tea dresses in beautiful Liberty-style prints and linen fabrics. Their sizing runs slightly small (US brand), so always size up one and check the measurements carefully — but the quality and aesthetic are genuinely worth the effort.

A Word on Fabric and How It Affects Fit

Tea dresses come in everything from stiff cotton to jersey to delicate chiffon, and the fabric genuinely changes how the size fits. A 100% cotton tea dress with no stretch will fit more rigidly — if you're between sizes, go up. A jersey or viscose blend will have natural give and move with your body, so you can often go true to size. Chiffon and silk styles are usually cut with more ease, but the bodice lining is what really matters — try these on before you buy if you can, as poorly cut linings are the enemy of a beautiful tea dress.

Stop Guessing — Let Tellar Match You to the Right Size

Tea dress sizing varies so much between brands that checking each one individually is genuinely time-consuming. That's where Tellar.co.uk makes life so much easier. Tellar is the UK's leading free sizing tool — you measure once, and it instantly matches your body to over 1,500 brands. No more size guide rabbit holes, no more returns because the bodice didn't fit.

Here's how to use it:

Measure once — enter your bust, waist, and hip measurements, or just use a brand size you already know fits you well
Use the Store Size Lookup tool to get your exact size across hundreds of brands — from Boden and White Stuff to LK Bennett and Anthropologie
Always free — no downloads, no account needed, no sponsored results

There's also the Tellar Fashion Hub — a library of free, independent style articles written by real stylists with no brand deals and no advertising agenda. If you want to go deeper on dress styles and how to find the best fit for your body shape, the Ultimate Guide to Dresses, Styles, Body Shapes & Where to Shop is a brilliant read. And for sizing across all categories, the Ultimate Clothing Sizing Guide covers everything you need to know.

Honestly — once you've used Tellar, going back to guessing your size feels completely unnecessary.

Ella Blake, Tellar Stylist