Project #8743 Home Portfolio Services Process 3D visualisations About us About our team open job roles Contact us Harpenden Extension Project #8743 Project #8743 Extensions Project #8743 Extensions Project #8743 Extensions Project #8743 Extensions Project #8743 Extensions Project #8743 Extensions Project #8743 Extensions Project #8743 Extensions Previous Next Planning approved 2022 Modern extension Harpenden RIBA work stages 0-4