Side extensions in Broxbourne

All of Broxbourne

4,512 applications since 2001. 3,451 approved and 729 refused. Refused: about 1 in 6 here, about 1 in 7 across the councils we cover.

Last updated 9 November 2026.

Without planning permission

  • Single storey, no higher than 4 m
  • No wider than half the width of the original house
  • Not facing a road

England, houses only. Flats, listed buildings, conservation areas and Article 4 directions change this. The full rules.

Year by year

YearApplicationsApprovedRefused
202687434
202512710310
20241269417
20231239425
202217014118
202120217420
202017114125
201916513222
201816213621
201721016237
201621216737
201519313642

Neighbouring councils

CouncilApprovedRefusedHow often
East Hertfordshire 2,197 712 about 1 in 4
Enfield 4,268 1,327 about 1 in 4
Epping Forest 0 0 none
Welwyn Hatfield 1,481 440 about 1 in 4

Other projects in Broxbourne