Plans to redevelop The Grafton in Cambridge to create laboratory and office spaces alongside shops, restaurants and a hotel are recommended for approval. The recommendation comes despite objections over the impact of the proposed building heights on the city’s historic skyline, particularly the view from Castle Mound. Developer Pioneer Group Ltd hopes to convert the bulk of the centre into laboratory and office space for start-ups, small businesses, and established companies in the science and technology industry. Its plans also include renovating the western end of the centre, with the roof r…