How does Westminster (No.SAP1142) by Sanderson compare with Dulux Heritage’s closest paints? The nearest match is Dulux Heritage Rope Ladder (ΔE 3.4, “very close”). 2 more Dulux Heritage colours sit within ΔE 4 — close enough that the difference is hard to spot once paint’s on the wall. These 3 Dulux Heritage paints are all priced at £10.80 per litre, against Sanderson Westminster at £20.00/L.

Sanderson Westminster (No.SAP1142) £20.00/L

Dulux Heritage Rope Ladder (No.LRV 55) very close — ΔE 3.4 £10.80/L

Sanderson Westminster vs Dulux Heritage

3 closest Dulux Heritage matches ranked by ΔE

ΔE (CIEDE2000) is a perceptual distance metric — lower means a closer match. Matches under ΔE 2 are typically indistinguishable; ΔE 2–4 looks “the same” once dry on a wall; ΔE 4–6 is noticeable side-by-side. Always view a sample pot before committing — screen colours and lighting vary.

Colour	Number	ΔE	Match quality	Price/L	Price/m²
Rope Ladder	No.LRV 55	3.4	very close	£10.80	£1.35
Raw Cashmere	No.LRV 61	3.5	very close	£10.80	£1.35
Ancient Sandstone	No.LRV 53	3.8	very close	£10.80	£1.35

Compare Westminster with another brand

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