PrettyLittleThing sustainability score: 11/100
Better than 12% of Apparel (Fast Fashion)
Significant gaps starts at 16. The highest score on SINK is 71.
PrettyLittleThing is a UK online fashion retailer. It operates as a fast-fashion brand owned by Debenhams Group (formerly boohoo group), selling trend-driven apparel and accessories to primarily young consumers.
More about PrettyLittleThing
Revenue reached £348.8M in FY2025, down 26.7% year-on-year, with approximately 409 employees.
Founded 2010Head office Manchester, UKStaff ~409 (2025)Revenue £348.8M revenue (FY ended 28 Feb 2025)Website ↗
PrettyLittleThing publishes no standalone emissions data, supply-chain footprint figures, or renewable energy metrics. It points to its parent group's climate report instead. In March 2024 it gave undertakings to the CMA over its green claims. Fast-fashion operations at scale with polyester-heavy sourcing and no water data.
PrettyLittleThing scores 11/100 (Critical concern) on SINK's independent climate assessment, scored from public data only. Scores are free. Nobody can pay to change a score, speed it up or hide it. Last verified November 2026.
That places PrettyLittleThing 1021st of 1,023 companies scored, and 16th of 18 in Apparel (Fast Fashion).
What is PrettyLittleThing doing well, and where does it fall short?
Strongest on Controversies & Red Flags and Resource Use & Waste (5/10, 2/10). Weakest on Water Impact and Carbon Footprint: Operations (0/10, 1/10).
Where PrettyLittleThing lost points
For each question that lost points, the evidence our public rubric looks for that we didn't find.
What would raise this score
- Its effect on waterPublish figures for its water use.
- Emissions from its own operationsPublish emissions figures for its own operations, even an estimate from energy bills.
- Emissions from its supply chainAssess where its supply-chain emissions come from.
Every question that lost points
- Emissions from its own operations1/10No emissions figures for its own operations, not even an estimate from energy bills.
- Emissions from its supply chain1/10No assessment of where its supply-chain emissions come from.
- Whether its emissions are falling1/10No evidence its emissions are falling, not even from energy bills or mileage.
- How clean its energy is1/10No renewable energy tariff or major efficiency investment shown.
- Its effect on nature1/10No evidence it knows its main risks to nature.
- How it uses materials and handles waste2/10No active waste reduction, reuse or repair shown.
- Its effect on water0/10No figures for its water use.
- Its climate targets1/10No emissions reduction targets.
- How openly it reports2/10No published sustainability data, or no one named as responsible for it.
- Its record on controversies5/10Points deducted for controversies or its business model. The finding is under question 10.
A score changes when the evidence does. We use new published evidence at the next rescore. Anyone can send us new evidence, free. How to send it.
How is PrettyLittleThing's SINK score calculated?
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × ScaleHas PrettyLittleThing's score changed?
PrettyLittleThing's score has moved from 12 to 11 across 2 recorded reviews, down 1 point.
- 12 → 11-13 November 2026
Agent-mode re-score: no PrettyLittleThing-only emissions are published, so 0.70x applies. Owner 2026-11-03: 7 independent parties, quotes checked.
- Scored 124 April 2026
Initial score at platform launch
What evidence is PrettyLittleThing's score based on?
11 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
18% of them were published by PrettyLittleThing itself; the rest come from independent sources.
“Mitigations are provided in detail with the Climate report in page 49 of boohoo group”
“It uses few eco-friendly materials.”
“It doesn't use lower-impact materials materials, instead opting for planet-damaging polyester in most of its lineup.”
“PrettyLittleThing and Boohoo Group score very badly in Ethical Consumer’s climate rating.”
“Co-founded in 2012 by brothers Adam and Umar Kamani, PrettyLittleThing started as an accessory only brand”
“Any claims made to consumers about environmental targets must be supported by a clear and verifiable strategy”
“has voluntarily agreed to enter into undertakings with the CMA”
“PLT also faced greenwashing accusations of its own after announcing its ‘PrettyLittleThing Marketplace’ feature in August.”
“retailer PrettyLittleThing is launching a resale app that aims to encourage sustainability and help rethink throw-away fashion”
“which allows customers to send old clothes in to be recycled, in exchange for discounts off PrettyLittleThing purchases”
“With a poor 24% in 2023's Fashion Transparency Index”
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How does PrettyLittleThing compare with other apparel (fast fashion) companies?
Where PrettyLittleThing sits among apparel (fast fashion) peers.
Among the 18 major apparel (fast fashion) brands we've scored, PrettyLittleThing sits 16th of 18.
Who scores higher in Apparel (Fast Fashion)?
The 3 companies in the sector scoring nearest above PrettyLittleThing.
Boohoo operates a linear fast-fashion model with minimal sustainability substance.
See the breakdown →Matalan publishes no emissions data, no science-based targets, and no standalone sustainability report.
See the breakdown →SHEIN's absolute emissions roughly tripled in two years, from 9.17 Mt in 2022 to 26.20 Mt in 2024, while it claimed climate targets.
See the breakdown →Which companies moved this week, and why.
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