England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates

40,297Searchable applications

283Recorded as pending

86%Approval rate · 33,821 approved or refused records

4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

Planning information Planning and building Local plan Our Local Plan Pre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation Area Article 4 directions Article 4 Directions

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas9 mapped area records

Article 4 direction areasNo boundary records available in this collection

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

Decided6/2026/1063/TC
Reduce 1 x Horse chestnut by 2m. Cut back 1 x Sycamore to 1m beyond boundary line.
The Coach House Ellesfield Welwyn AL6 9HB
Received 18 Jun 2026
Decided - Granted6/2019/0810/FULL
Retention of existing use for the storage of timber, carpentry/Joinery workshop
Land off Crossway Welwyn Garden City
Received 29 Mar 2019
Decided - GrantedN6/2008/2277/FP
ERECTION OF TWO STOREY REAR EXTENSION.
23 TIMBERCROFT, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1NS
Received 2 Dec 2008
Decided - Granted6/2021/2717/TPO
Reduce 1 x Sycamore tree (T8) by 20-25% covered by TPO
19A Marlborough Close Welwyn AL6 0UG
Received 20 Sept 2021
Decided - Granted6/2023/1394/COND
Submission of details pursuant to conditions 3 (Surface water drainage), 7 (Bin store details) and 9 (Bat and bird box details) on planning permission 6/2021/3489/MAJ
The Woodside Centre The Commons Welwyn Garden City AL7 4DD
Received 4 Jul 2023
Decided - GrantedN6/2008/0474/FP
ERECTION OF SINGLE STOREY SIDE EXTENSION AND PART REMOVAL OF GARAGE
8 HUNTERS WAY, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4NN
Received 29 Feb 2008
Decided - Refused6/2025/2279/EMT
1 x Corkscrew Willow to remove in sections to ground level. The client has had more issues with cracking along the front of the property
40 Attimore Road Welwyn Garden City AL8 6LP
Received 27 Oct 2025
Decided - Granted6/2021/3126/HOUSE
Erection of a single storey rear extension and alterations to ground floor side fenestration
4 Wyndhams End Welwyn Garden City AL7 4JB
Received 2 Nov 2021
Decided - Granted6/2024/0844/EMT
Beech tree - to cut back over hanging branches from 8 Parkway Gardens by approximately 2-3m
21 Birdcroft Road Welwyn Garden City AL8 6EH
Received 3 May 2024
Decided - Granted6/2026/1087/HOUSE
Erection of a single storey rear extension and a single storey side extension following the demolition of an existing detached shed and an attached W.C.
47 Dixons Hill Close Welham Green Hatfield AL9 7EF
Received 23 Jun 2026
Appeal Decided - WithdrawnW6/2013/1237/EM
Retention of single storey rear extension
251 Knightsfield, Welwyn Garden City, AL8 7RA
Received 18 Jun 2013
Decided - Refused6/2022/0336/HOUSE
Erection of two storey rear extension, first floor side extension, two storey front extension, new roof involving the raising of the roof ridge and the erection of front boundary walls/gates/railings
21 Homewood Avenue Cuffley Potters Bar EN6 4QG
Received 14 Feb 2022
Decided - Granted6/2019/2133/HOUSE
Erection of a single storey rear and side extension
11 Northaw Road East Cuffley Potters Bar EN6 4LU
Received 28 Aug 2019
Decided - RefusedN6/2004/1422/FP
ERECTION OF FRONT PORCH
7 The Pastures Welwyn Garden City AL7 4PX
Received 27 Sept 2004
Decided - WithdrawnN6/2013/0811/FP
Erection of single storey rear extension and two storey side extension with loft conversion
260 Handside Lane, WELWYN GARDEN CITY, AL8 6TG
Received 22 Apr 2013
Decided - Granted6/2016/2119/VAR
Variation of condition 2 (Plans) on planning permission S6/2012/1247/FP
68 Mymms Drive Brookmans Park Hatfield AL9 7AD
Received 11 Oct 2016
Decided - Granted6/2023/0859/FULL
Construction of three external 11m x 15m canopies for the primary use as a external dining space. Siting of catering kiosk
Stanborough School Lemsford Lane Welwyn Garden City AL8 6YR
Received 24 Apr 2023
Decided6/2025/1987/TC
1 x Box elder fell to ground level.
5 Meadow Green Welwyn Garden City AL8 6SS
Received 15 Sept 2025
Decided - Granted6/2020/2569/LAWP
Hip to gable loft conversion with rear dormers and front veluxes
36 Crawford Road Hatfield AL10 0PE
Received 5 Oct 2020
Decided - Granted6/2018/0563/EM
Erection of single storey rear extension with glass canopy to the side, part garage conversion, alterations to existing side windows, new dormer & enlargement of side dormer to facilitate a loft conversion
14 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 27 Feb 2018
Decided - GrantedN6/2014/1204/FP
Erection of a detached garage
38 Pine Grove, Brookmans Park, Hatfield, AL9 7BS
Received 29 May 2014
Decided - WithdrawnW6/2004/0496/EM
ERECTION OF BRICK WALL FOLLOWING REMOVAL OF FENCE
67 Guessens Road Welwyn Garden City AL8 6RE
Received 17 Mar 2004
Decided - WithdrawnS6/2004/1162/FP
ERECTION OFTWO STOREY SIDE AND REAR EXTENSION
28 Skimpans Close Welham Green Hatfield AL9 7PB
Received 29 Jul 2004
Decided - GrantedN6/2007/0701/FP
ERECTION OF SINGLE STOREY REAR EXTENSION
17 Barleycroft Road Welwyn Garden City AL8 6JX
Received 8 May 2007

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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Researching a proposal in Welwyn Hatfield Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides

Understanding planning · 13 min read
Planning application documents: what to read first
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
UK research
Published 16 Jul 2026Updated 13 Sept 2026
Understanding planning · 13 min read
Planning permission drawings: how to read plans
Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.
UK research
Published 6 Aug 2026Updated 13 Sept 2026
Property research · 13 min read
Planning approval rates: how to read council statistics
Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.
UK research
Published 13 Aug 2026Updated 13 Sept 2026

What these statistics cover

These figures describe applications collected by PlanningTrack for Welwyn Hatfield Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

Check collection coverage