CSD (Consigned Sealed Delivered) is the UK's authenticated home for second hand Reformation — pre-owned and vintage Reformation dresses, clothing, denim and tops, sourced from private London wardrobes, verified in-house, and offered below original retail. Every piece is one of a kind; when it sells, it is gone. If you are looking for the best place to buy second hand Reformation in the UK, this is a curated consignment house with named accountability — not an anonymous marketplace where sellers grade their own listings. The edit is consignment-fed, so it changes continually as new pieces are authenticated.

Why Buy Pre-Owned Reformation from CSD

Reformation built its name on doing fashion responsibly, and buying it second hand is the most responsible way to wear it — extending the life of a garment made to last. But where you buy pre-owned matters. On a peer-to-peer marketplace your counterparty is an anonymous seller and the platform rarely inspects what it lists. At CSD the seller is CSD: every piece is physically checked in London before it goes live, graded honestly for condition, and described as it truly is. Anything we cannot verify is returned to the consignor — never listed with a caveat, never sold on doubt. That is the difference between buying a used dress and buying one with confidence.

The Reformation Label

Founded in Los Angeles in 2009, Reformation began as a single vintage store and grew into one of the most recognisable names in sustainable womenswear. Its signature is a particular kind of effortless femininity — bias-cut silhouettes, vintage-inspired florals, responsible denim and the kind of dress that has become a fixture at weddings and summer parties. The label is American, not British, though it has a devoted UK following and a strong London presence. That demand is exactly why Reformation holds its value so well on the resale market, and why a well-kept pre-owned piece is so sought after.

Second Hand Reformation Dresses

The dress is the piece that built Reformation — bias-cut, easy to wear and endlessly photographed at weddings, garden parties and on holiday. Our edit of second hand Reformation dresses spans the styles collectors search for: wedding-guest and bridesmaid dresses, floral midis, linen and silk summer styles, and the named cuts the label is known for. Because the dresses move so quickly at retail, the resale market is often the only way to find a sold-out style, a discontinued print or last season's colour — each one authenticated and condition-graded before it lists.

Second Hand Reformation Clothing

Beyond the dresses, Reformation makes some of the most wearable separates in contemporary fashion. Our edit of pre-owned Reformation clothing spans tops and blouses, knitwear and cardigans, jackets and tailored pieces — the building blocks of a considered wardrobe. These are the items that sell out fastest at retail and reappear most reliably on the resale market, which makes consignment the smart way to find the colour, cut or season you missed first time around.

Reformation Denim & Jeans

Reformation jeans are among the label's most coveted pieces, cut from responsibly sourced denim in the high-waisted, vintage-leaning shapes the brand is known for. Denim is where fit and condition matter most, and where buying authenticated pre-owned pays off — every pair in our edit is checked for wear, structure and accurate sizing before listing, so what arrives is what you expected. Reformation denim holds up beautifully over time, which is precisely what makes it worth buying second hand.

Reformation Sale & Resale Value

Reformation runs its own seasonal sales, but pre-owned is where the real value sits. Buying second hand Reformation through CSD means access to past-season and sold-out pieces below their original retail price, without waiting for a discount code that may never cover the style you actually want. Because the label is made to last and stays in demand, a pre-owned Reformation piece is rarely a compromise — it is the same garment, authenticated, at a fairer price. The Reformation edit refreshes constantly, so the considered thing to do is check back rather than rush.

How CSD Verifies Reformation

Authentication is the core of how CSD works, and for Reformation it runs on in-house expertise. Every piece is examined by our specialists in London — checking fabric hand and weight, construction and finishing, labelling, care tags and hardware against known authentic references, alongside a careful condition assessment. Read the full method on our authentication and quality control pages. Where anything falls short of genuine, the piece is returned to its consignor and never listed. When you buy Reformation from CSD, you are buying a verified garment, not a hopeful one.

Condition, Care & Longevity

Every Reformation piece is graded honestly and described in detail, each supported by close photography, because the listing description is the contract. Reformation's natural and responsible fabrics — viscose, linen, Tencel and quality denim — wear in rather than wear out when they are cared for, and pre-owned pieces often arrive already softened to their best. Store pieces away from damp and direct light, follow the care label, and a well-kept garment can be worn for years and consigned again with its value largely intact. Buying second hand and caring for a garment well is the most sustainable way to own fashion — the whole point of the Reformation philosophy in the first place.

A Considered Purchase, Not an Impulse

Buying pre-owned well rewards patience. Decide first whether you want a specific dress for an occasion, a denim staple, or a piece you have watched sell out — then let our continuously refreshed Reformation edit bring it to you, authenticated and fairly priced. Because every listing here is one of a kind and consignment-fed, the right piece may not be in stock the day you look; returning as new arrivals are authenticated is often the surest way to find exactly what you want. This is the way a discerning buyer approaches the secondary market, and the way our team is set up to help.

Brands Like Reformation

If you love Reformation's responsible, feminine aesthetic, the same sensibility runs through other designers in our edit. Explore authenticated pre-owned Ganni, Stella McCartney and Alexander McQueen for pieces that sit naturally alongside Reformation in a considered, sustainable wardrobe.

Second Hand Reformation — Frequently Asked Questions

Do Reformation ever have sales?
Yes — Reformation runs seasonal sales through the year. Alongside those, CSD offers authenticated pre-owned Reformation below original retail year-round, including past-season and sold-out pieces you will not find on sale elsewhere.

Is Reformation actually good quality?
Reformation is known for considered construction and natural, responsibly sourced fabrics that wear in well over time. At CSD every piece is inspected and graded for condition before listing, so you buy on verified quality rather than a guess.

What is Reformation's best-selling item?
The label's bias-cut and midi dresses are its signature and best-known pieces, alongside its responsible denim. Explore the full range in our Reformation dresses edit.

Is Reformation a British brand?
No — Reformation is American, founded in Los Angeles in 2009. It has a strong UK following and a London presence, which is part of why pre-owned Reformation is so sought after here.

Shop the Full Reformation Edit

Explore authenticated pre-owned Reformation at CSD: Reformation dresses and the wider pre-owned clothing edit. Browse other authenticated designers including Ganni, Stella McCartney and Alexander McQueen. We ship worldwide with tracked, insured delivery and full documentation, with UK returns under our returns policy.

Authenticated and reviewed by the CSD London team, last updated June 2026. Learn more about CSD or sell or consign your Reformation. Brand reference: Reformation official.