Persimmon is the UK's largest housebuilder by volume, founded in 1972 and headquartered in York.
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Persimmon reports emissions data and has SBTi-validated near-term targets, but Scope 3 relies on intensity metrics as output recovers, weakening real reduction claims. River pollution prosecution, fire safety failures, and an ongoing CMA anti-competitive investigation expose systemic governance gaps beneath sustainability rhetoric.
Persimmon scores 34/100 (Below expectations) on SINK's independent climate assessment, scored from public data only. Fees pay for the review, never the result. Last verified May 2026.
That places Persimmon joint 505th of 847 companies scored, and 18th of 26 in Construction / Real Estate.
Where Persimmon sits among construction / real estate peers.
Among the 26 major construction / real estate brands we've scored, Persimmon sits 18th of 26.
Its three lowest-scoring questions, and what the evidence didn't show.
No quantified water footprint, reduction targets, or systematic water stewardship programme.
CMA investigation ongoing (2024–2025) into suspected anti-competitive information sharing; £100M settlement offered.
Scope 3 target is intensity-based (22% per m² by 2030), not absolute.
A score changes when the evidence does. We use new published evidence at the next rescore. Evidence that isn't public can count through an evidence review.
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Get in touch →Strongest on Carbon Footprint — Operations and Carbon Footprint — Supply Chain (7/10, 6/10). Weakest on Water Impact and Controversies & Red Flags (2/10, 2/10).
The 3 companies in the sector scoring nearest above Persimmon.
Equans Sci-Tech inherits parent-level SBTi validation and ISO certifications but operates with no standalone sustainability disclosure or entity-specific emissions data.
See the breakdown →SEGRO reports comprehensive GHG data with external assurance and SBTi validation, but relies entirely on intensity-based targets masking absolute emissions growth across its expanding European data centre and logistics portfolio.
See the breakdown →The Crown Estate reports rising absolute emissions driven by offshore wind construction on leased seabed, with Scope 3 up 60% year-on-year.
See the breakdown →The formula and all 12 sources.
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × Scale12 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
If you believe a source has been misread or a newer version exists, submit a challenge.
Persimmon is the UK's largest housebuilder by volume, founded in 1972 and headquartered in York. The company builds new residential developments across England, Wales, and Scotland, delivering approximately 10,600 homes annually. It operates vertically integrated subsidiaries including timber frame manufacturing, brick production, and tile works.
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