(3) Dividing the 10% affordable target value by the Design Quality Requirement of a 3-bed dwelling (92m²) to provide a £ per square metre cost
(3) Rhannu’r gwerth targed fforddiadwy o 10% â Gofyniad Ansawdd Dylunio tŷ 3 ystafell wely (92 metr sgwâr) i roi cost £ y metr sgwâr