Flat B, 29 D'Arblay Street, London, W1F 8EP

Replacement of front and rear single-glazed dormer casement windows in mansard roof at third floor level with slimline double-glazed casement windows, plus associated works.

Modification of selected window joinery at Second Floor North galleries and First Floor Weston Wing galleries to provide access to existing concealed blind mechanisms, including installation of concealed removable fittings.

(TPO REF: A1) IN GARDENS (SEE PLAN) - 1 x Himalayan Birch (Betula jacquemontii) (T18) - Lift low canopy, pedestrian clearance - to 2.5 m over footpath. 1 x Sweet Gum (Liquidambar styraciflua) (T10) - Lift low canopy, pedestrian clearance - to 2.5 m over footpath. 1 x Japanese Cherry (Cerasus serrukata 'Kanzan') (T20) - Lift low canopy, pedestrian clearance to 2.5 m over footpath/parking. 1 x Tree of Heaven (Ailanthus altissima) (T15) - Reduce crown back to the most recent, previous pruning points, removing approx. 2.5m - 3m of regrowth. 1 x Himalayan Birch (Betula jacquemontii) (T19) - Reduce crown by reducing the main stem and second to highest stem forming arched overhang of footpath by 1.5m - 2m. Lift the low canopy to 2.5m over footpath and remove the suspended branch. 1 x Japanese Pagoda (Styphnolobium japonicum) (T23) - Reduce crown by reducing the most extended branches to the west overhanging the building by 2.5m - 3m. Final cuts to be made at suitable pruning points, leaving furnishing growth to maintain function and minimise visual impact. 1 x Monkey Puzzle (Araucaria araucana) (T17) - Reduce specified limb(s) reducing the lowest two whirls of branches by around 50 cm, carefully selecting pruning points to reduce the length of the primary branches and secondary side branches obstructing the footpath, to maintain a natural branch aesthetic and overall crown shape. 1 Tulip tree (Liriodendron tulipifere) (T6) - Remove suspended/broken limb(s) - two suspended branches to the north at around 10m, to minimise the potential for injury to pedestrians.