Conservatory / orangery planning approval in Welwyn Hatfield
Based on decisions in the last 5 years, as of 30 Jun 2026.
Of 45 conservatory / orangery planning applications decided by Welwyn Hatfield in the last 5 years, 91% were approved. This is the council's track record for this kind of work. It is a useful gauge before you apply, not a guarantee for any one application.
Other work in Welwyn Hatfield
- Extension : 87% approved (339 decided)
- Rear extension : 87% approved (265 decided)
- Tree work : 98% approved (188 decided)
- Roof / fenestration : 89% approved (131 decided)
- Demolition : 89% approved (102 decided)
- Side extension : 86% approved (86 decided)
- Two-storey extension : 79% approved (70 decided)
- Loft conversion : 90% approved (68 decided)
Method
Approval rate = approved ÷ (approved + refused) over the public planning decisions we hold for Welwyn Hatfield, matched to a type of work from the application description. We lead with the last few years so the figure reflects how Welwyn Hatfield decides today, with the longer record as context. A rate is only shown once there are enough decided applications for it to be reliable. We publish aggregate figures only, never an individual application or applicant name. Read the full method and limits.