There were subsidence problems and concerns that the concussion from firing the guns was causing the cliffs to crumble. This was solved by building the New Battery higher up the cliff, at a height of 120 metres above sea level. The New Battery was completed in 1895. Three
9.2-inch Mk IX breech-loading guns were installed at the New Battery: two in 1900 and a third in 1903. A crew of 11 was required to fire one of these guns. Each shell weighed . The New Battery guns remained in place until 1954, when they were scrapped. This facility was also the site of early trials of
anti-aircraft guns. as well as the
Black Knight and
Black Arrow satellite launch vehicles. Like the Old Battery, the New Battery has also been listed at Grade II. The surviving parts of the rocket testing facilities are a
scheduled monument. ==National Trust opening==