Portland Substation Victoria Square Chiswell Portland DT5 1AL

Pending P/CLP/2026/00794
Council
Date received
10 Feb 2026
Date validated
10 Feb 2026
Postcode
DT5 1AL

Description

Certificate of lawfulness to install a new 11kV switch room building at the existing Portland substation site. The building will be located to the west of the existing substation within land owned by SSEN, adjacent to existing transformers. It is required to support installation of new Quantum 13CB 11kV switchboard Additional works, include a slight extension of the site to the west and installation of 2.4m high fence with razor wire surrounding the proposed site expansion area (located within SSENs ownership and considered operational extent)

7.3/10
Planning Authority Score
#42 of 282

Council-wide context — figures cover all householder decisions across the authority, not this specific application.

Dorset is faster than most councils at deciding householder applications, ranking #50 out of 282. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).

Dorset decision performance
Based on MHCLG data, 2025
91%
Overall approval rate
Above avg (87%) #94 of 282
94%
Householder approved
Above avg (90%) #98 of 282
78%
Decided in 8 weeks
Above avg (64%) #50 of 282
34%
Extended time limit
Below avg (40%) #84 of 282
77%
Minor dwellings approved
341 decided (1-9 homes)
79%
Major dwellings approved
48 decided (10+ homes)
79%
Change of use approved
87 decided
2,785
Total decisions
258 refused in 2025