How many planning applications are there in Welwyn Hatfield?

We recorded 442 planning applications in Welwyn Hatfield in the last 90 days, of which 272 were approved and 25 refused. The figures are counted from Welwyn Hatfield Borough Council's own public register and update weekly.

Can I get planning application leads for Welwyn Hatfield?

Yes. A free Just Granted account shows every application we hold for Welwyn Hatfield, and the £39 a month plan includes 30 printed letters to applicants, then £1.20 each.

Does this page show who applied in Welwyn Hatfield?

No. Applicant names and addresses never appear on a public page. We show what was proposed, what was decided and when.

Planning applications in Welwyn Hatfield

Decided by Welwyn Hatfield Borough Council, english district. Part of Hertfordshire.

A flat overhead site plan of a street of generic building plots with one plot picked out.

442 applications in the last 90 days Measured

272 of them approved

25 refused

57 days typical time from validation to decision Median of the decisions we hold

Applications a week for the last 12 weeks — busiest week 36. Measured

27 Jul 2026 12 Oct 2026

Jobs on the register in Welwyn Hatfield

Newest first, straight from Welwyn Hatfield Borough Council's public register — what was proposed and what happened to it. We never publish who applied or where they live — that is what an account is for.

Erection of first-floor side extension Awaiting decision Received 9 Oct 2026
Erection of a part single storey and part two storey rear extension, garage conversion with replacement roof, installation of new front door and side access gate and alteration to fenestration. Awaiting decision Received 9 Oct 2026
1 x Rowan to remove in sections to ground level as the tree is in decline Awaiting decision Received 8 Oct 2026
1 x Oak to reduce lateral branches over college lane by 2.5m Reduce lateral branches over garden of no 10 by 2.5m reduce height by 2m Tree is excessively overhanging roadway hitting buses and high side vehicles Reduce c… Awaiting decision Received 8 Oct 2026
T1 - Self set Ash Tree, pollard by approx 2-3m Tree is now blocking neighbouring property Withdrawn Received 8 Oct 2026 Decided 16 Oct 2026
Single Storey Rear infill extension with internal alterations Awaiting decision Received 8 Oct 2026
Certificate of lawfulness for proposed erection of outbuilding in the rear garden of the dwellinghouse Awaiting decision Received 8 Oct 2026
Installation of two external air-to-air heat pump units serving the kitchen, studio and bedroom, providing heating and cooling, with associated black pipework Awaiting decision Received 8 Oct 2026
Replacement bin store Awaiting decision Received 7 Oct 2026
Erection of a rear conservatory, chimney, rooflights and associated alterations; patio, retaining wall, steps and proposed tree removal Awaiting decision Received 7 Oct 2026
Installation of 11 solar panels on side and rear facing roofs and EV charging point on garage Awaiting decision Received 7 Oct 2026
Certificate of existing lawfulness of an HMO Awaiting decision Received 6 Oct 2026

That is 12 of 442. A free account shows every one of them, filtered how you like.

Where Welwyn Hatfield is on the map. 1 district shaded on applications we hold. Measured

Collecting
Neighbouring districts

Contains OS data (c) Crown copyright and database right 2025. Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Open Government Licence v3.0.

Councils next door

East Hertfordshire 795 in 90 days
North Hertfordshire 793 in 90 days
Dacorum 729 in 90 days
Hertsmere 700 in 90 days
St Albans 663 in 90 days
Stevenage 200 in 90 days
Three Rivers 196 in 90 days
Broxbourne 191 in 90 days

Get Welwyn Hatfield leads

A free account searches every council we cover and posts a letter for £1.45. £39 a month puts the applicants' names and addresses in front of you with 30 letters included, then £1.20 each.

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