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

40,146Searchable applications

300Recorded as pending

86%Approval rate · 33,676 approved or refused records

4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 1 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 Counts reflect the last collected status; some records may be out of date.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

Decided - Granted6/2017/2583/EM
Erection of glass covered veranda at ground floor
2 Beehive Green Welwyn Garden City AL7 4BE
Received 6 Nov 2017
Decided - Refused6/2019/0133/EM
Installation of rear dormer to facilitate loft conversion including alterations to openings
13 Sandpit Road Welwyn Garden City AL7 3TW
Received 23 Jan 2019
Decided - RefusedN6/2007/1157/FP
ERECTION OF TWO STOREY AND SINGLE STOREY REAR EXTENSION FOLLOWING PARTIAL DEMOLITION OF EXISTING DWELLING
Roebuck Farm, 57 Lemsford Village, WELWYN GARDEN CITY, Hertfordshire, AL8 7TR
Received 2 Aug 2007
Decided - Granted6/2026/1243/EM
Erection of single storey rear extension and single storey side extension following demolition of existing side canopy and side entrance.
1 Little Wade Welwyn Garden City AL7 4LE
Received 15 Jul 2026
Decided - Granted6/2021/1990/EM
Installation of hardstanding and vehicle crossover
199 Heronswood Road Welwyn Garden City AL7 3JH
Received 30 Jun 2021
Decided - GrantedW6/2006/0651/EM
ERECTION OF REAR CONSERVATORY
64 Carve Ley, Welwyn Garden City, AL7 3HH
Received 19 May 2006
Decided - Granted6/2020/2504/HOUSE
Increase ridge height of dwelling and erect rear dormer windows.
The Pheasantry 3 Home Farm Road Hatfield AL9 7TP
Received 30 Sept 2020
Decided - Granted6/2019/3247/COND
Submission of details pursuant to condition 4 (sections) on planning consent 6/2019/1372/LB
32 Abdale House Warrengate Road North Mymms Hatfield AL9 7TX
Received 24 Dec 2019
Decided - WithdrawnN6/2007/1434/FP
ERECTION OF SINGLE STOREY FRONT EXTENSION AND BALLUSTRADE TO MOCK BALCONY
THE STANBOROUGH, STANBOROUGH ROAD, WELWYN GARDEN CITY, HERTS, AL8 6DQ
Received 26 Sept 2007
Decided - GrantedN6/2007/1240/TP
REDUCTION OF 8 TREES COVERED BY TPO 316 G3
The Wellington 1 High Street Welwyn AL6 9LZ
Received 17 Aug 2007
Decided - GrantedN6/2014/2566/TC
Removal of Willow tree
42 Digswell Rise, Welwyn Garden City, AL8 7PW
Received 24 Nov 2014
Decided - Granted6/2018/1380/LAWP
Certificate of lawfulness for conversion of loft to habitable space to include removal of existing chimney, erection of rear dormer and installation of 2 x roof lights to front elevation of existing roof
147 Cole Green Lane Welwyn Garden City AL7 3JG
Received 23 May 2018
Appeal Decided - Allowed6/2020/2478/EM
Installation of two front elevation dormer windows
8 Valley Road Welwyn Garden City AL8 7DF
Received 28 Sept 2020
Decided - Withdrawn6/2023/0584/FULL
Change of use from B8 (warehouse) to B2 (mechanical workshop)
17A Southfield Welwyn Garden City AL7 4ST
Received 14 Mar 2023
Decided - GrantedN6/2013/0983/LB
Alteration to existing roof
Templewood Primary School, Pentley Park, Welwyn Garden City, AL8 7SD
Received 10 May 2013
Decided - Granted6/2024/0344/COND
Submission of details pursuant of condition 3 (bin storage) and 4 (landscaping) on planning permission 6/2023/0731/FULL
34B High Street Welwyn AL6 9EQ
Received 22 Feb 2024
Decided6/2019/2610/TC
Fell 1 x Acer (T10) Fell 1 x Hornbeam (T13)
24 Pentley Park Welwyn Garden City AL8 7SB
Received 16 Oct 2019
Decided - Granted6/2016/2658/HOUSE
Erection of front porch and single storey side extension
16B Turpins Chase Welwyn AL6 0RA
Received 14 Dec 2016
Decided - GrantedN6/2009/1129/TE
REMOVAL OF SIX LEYLANDII TREES AND ERECTION OF REPLACEMENT PRIVET HEDGE
137 DANIELLS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1QP
Received 21 May 2009
Decided - GrantedN6/2006/0600/FP
ERECTION OF SINGLE STOREY REAR EXTENSION
6 Brockswood Lane Welwyn Garden City AL8 7BG
Received 9 May 2006
Decided - GrantedN6/2006/0577/FP
VARIATION OF PLANNING PERMISSION N6/2005/1099/FP TO INCLUDE PROPOSED GARAGE FOR HOUSE NO.3 AND COVERED PARKING FOR HOUSES NOS. 4 & 5
17 Wendover Drive Welwyn AL6 9LT
Received 3 May 2006
Decided - Granted6/2015/2121/EM
Reduce Ginko Biloba by up to 30%, remove 5 branches on Lime tree plus removal of Damson tree.
55 Valley Road, Welwyn Garden City, AL8 7DH
Received 12 Oct 2015
Decided - Granted6/2023/1969/EMT
T1 Lawson cypress fell - low quality tree, non native. Roots starting to damage drive and pavement. T2 Lawson cypress fell - large tree been left to grow in the wrong area. Rubbing on wall and roof of property potentially causing more damage if left
35 Woodland Rise Welwyn Garden City AL8 7LJ
Received 25 Sept 2023
Decided - Granted6/2019/0584/HOUSE
Erection of a single storey front extension
25 Elmwood Welwyn Garden City AL8 6LD
Received 12 Mar 2019

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