Roof Window Repairs, National Maritime Museum, Greenwich, London, SE10 Working in the evening, after the museum had closed, we repaired two roof windows above Neptune Court. Window Repair Projects Roof Window Repairs, National Maritime Museum, Greenwich, London, SE10 Retractable Grill, Natural History Museum, Tring, Hertfordshire Repair and Replacement of Window Winding Openers, Natural History Museum, Kensington, London SW7