Fraser Bond are the leading lettings and property management agents for Halcyon London - London E14. Halcyon London at 225 Marsh Wall is a residential-led mixed-use tower development in the Isle of Dogs, London E14. New Homes The development comprises 332 1-4 bedroom apartments, including 71 on-site affordable homes. Amenities - Gym - Games room - Two lounges - Outdoor play areas for all ages - Roof terrace with panoramic views - New nursery school - Bike storage Over 50% of the site is public open space. Commercial Space Commercial spaces will have D1, A1 and A3 use. The building will have an.