Where to Buy Luxury Fashion Online (UK & USA) + What to Invest In

Craving sophistication and quality? Let’s unpack the best places to buy luxury fashion online across the UK and USA, spotlight standout pieces worth investing in, and guide you to confidence in fit—powered by live Tellar backlinks and styling advice. Plus, Stay Connected with Tellar for more tips and fit wisdom!

1. Why Shop Luxury Online?

Curated selections: Retailers like Net-a-Porter, MatchesFashion, Mytheresa, and Cettire offer hundreds of designers under one digital roof.
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Global benefits: UK shoppers gain easy access to US brands; US customers explore European elegance without travel.
Quality & sustainability: Luxury brands focus on craftsmanship, premium materials, and timeless design—translating to better wardrobes and less waste.

2. Top Luxury Online Retailers (Platforms & Boutiques)

Mytheresa (Global HQ: Munich)

Offers more than 250 designers including ready-to-wear, shoes, bags, and fine jewelry.

Ideal: when you want a Swiss-army site that delivers refined European selectiveness.

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Cettire (Australia-based, global shipping)

Over 1,300 high-end brands, often at competitive prices. Sleek site with strong regional reach.

Tip: ideal for snagging understated designer staples.

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Net-a-Porter & MatchesFashion

Luxury gatekeepers with around-the-world delivery, editorial styling, and exclusive capsule collaborations. UK, USA, global focus via both platforms (Merger with Yoox/Porter now complete).

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Farfetch

Hundreds of boutiques globally—buy from Paris and Milan in one checkout. Great for rare luxury or hard-to-find pieces. UK, USA delivery.

3. Best Luxury Brand Picks (& Where to Buy)

Quiet/Luxe Staples (Wear For Years)

Joseph (UK & USA) – Known for wool coats and cashmere crew/necks.
The Row (USA) – Clean luxury at its finest.
Loro Piana, Barrie, Theory – Tailored trousers, silk blouses, polished minimalist wardrobes.
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From Joseph: their tailored wool coat is a timeless investment; pair with camel trousers and loafers. The Row silk shirt or Loro Piana cashmere crew look elegant layered under structured coats.

Standout Luxe Accessories

Minimalist Leather Bags/Shoes – Think structured totes, low-top leather sneakers or loafers to polish any outfit.
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Statement Occasionwear

Reiss, Self-Portrait, Ghost, Karen Millen (UK) – Great for weddings, gala or eventwear staples.
Reformation, Alaïa, Galvan, Zimmermann, Alice + Olivia (USA) – Known for romantic florals, sleek slips, sculpted gowns.
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Each brand suits different dress codes: from garden parties (Zimmermann) to contemporary black‑tie (Alaïa) or sustainable choices (Reformation).

4. How to Shop & Style Smart

A. Start with Core Investment Items

Structured Coat (Joseph/Loro Piana)
Silk Blouse (The Row/Theory)
Tailored Trousers (Theory/Barrie)
Casual Luxe Knit (Barrie cashmere or lightweight rollneck)
Minimal Leather Accessories – bag or classic sneaker

These pieces remain stylish year after year.

B. Add Statement & Occasion Pieces

Event dresses: prioritize classic colours and silhouettes (slip, column, wrap).
Luxury statement bags: opt for clean-leather totes or iconic shapes.

C. Where to Buy

Region	Platform	Why It’s Good
UK	Mytheresa, Net-a-Porter	European designers, local delivery, VAT-free redundancy
USA	Cettire, Net-a-Porter	Access to EU brands (e.g., Theory, Loro Piana), US return policies
Int'l	Farfetch	Boutique access—perfect for exclusive or niche luxury pieces

5. Fit First, Always

Even the most luxurious garments fail if the fit’s off. That’s why Tellar's sizing tool is crucial—covering 1,500+ brands across the UK, USA, and Europe. Input your chest, waist, hip measurements (and optionally shoulder or torso length), and receive real-time size mapping.

Joseph, The Row, Loro Piana, Theory: conservative cuts, often requiring precise fit.
Event brands (Reiss, Self-Portrait, Reformation, Karen Millen): many styles run small—you’ll get sizing advice and alerts on tight areas before purchase.
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“Tellar maps your chest, waist, hip… helping you avoid those ‘tight across the body’ surprises.”

6. Style Suggestions & What to Buy

🧥 Structured Coat

Joseph wool coat (UK) – Pair with neutral rollneck, denim, loafers
Loro Piana trench (USA/Europe) – Perfect for smart-casual elegance

👗 Silk Blouse

The Row – Invest in a clean silk blouse for both work and weekend
Reformation wrap blouse – Sustainable, versatile and flattering

👖 Tailored Trousers

Theory (USA) – Sleek silhouette, style with blazers in tonal neutrals
Reiss wide-leg trousers (UK) – Modern fit, perfect with structured tops

👚 Cashmere Knit

Barrie crew-neck (UK) – Luxurious layering piece
Reformation knit – More sustainable and marketplace-friendly

👜 Leather Accessories

Minimalist tote (Theory/Joseph) – Everyday luxury
Low-top leather sneakers (Joseph/Barrie) – Dress casual with polish

7. Event & Occasion Picks

Reiss structured maxi – Elegant and refined for weddings
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Self-Portrait lace midi – Feminine and intricate
Reformation cowl-satin gown – Sustainable glamour in the US
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Alaïa sculpted dress – Architectural luxury for black‑tie
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8. Seamless Shopping With Tellar

Visit Tellar.co.uk → create your free Body Profile
Measure yourself with their printable tape or one they send
Use Store Size Lookup for each brand/platform
Check fit notes: e.g., runs small in bust, relaxed fit, etc.
Buy with full confidence—and low risk of return stress

9. Explore More Tellar Guides

10. Stay Connected with Tellar

For daily fit fixes, styling drops, and brand tips, follow Tellar on social:

Instagram: @Tellarsizing
Twitter/X: @TellarSizing
Facebook: Tellar Sizing
Visit us: Tellar.co.uk

Summary

Where: Web hubs like Mytheresa, Cettire, Net-a-Porter, Farfetch
What to buy: Classic coats, silk blouses, tailored trousers, cashmere knits, leather accessories, occasional gowns
Fit matters: Use Tellar for precision across 1,500+ brands
Style smart: Stick to neutral palettes and investment pieces
Stay tuned: Follow Tellar for daily styling assistance and fit confidence

Elevate your wardrobe and shopping experience—luxury, confidence, and fit—all online, all with Tellar.