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

322Recorded as pending

86%Approval rate · 33,788 approved or refused records

4,816Refused applications

28,972 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2021/3194/COND
Submission of details pursuant to condition 2 (traffic and commercial/industrial noise) on planning application 6/2019/1452/MAJ
26 Stonehills Welwyn Garden City AL8 6NA
Received 8 Nov 2021
Decided - GrantedS6/2013/1113/DS
Discharge of condition 4 (Materials) from planning permission S6/2012/1190/FP
21 Pine Grove, Brookmans Park, Hatfield, AL9 7BP
Received 31 May 2013
Appeal Decided - DismissedN6/2008/0877/FP
ERECTION OF TWO BED DETACHED CHALET BUNGALOW WITH INTEGRAL GARAGE
Land adjacent to 76 Warren Way Digswell Welwyn AL6 0DN
Received 31 May 2008
Decided - Granted6/2019/1192/HOUSE
Erection of a single garage, single storey side and rear extension and a first floor side extension, installation of a rear window, relocation of existing windows and extension of vehicle hardstanding and crossover following the demolition of attached double garage and utility room.
34 Sherrardspark Road Welwyn Garden City AL8 7JS
Received 16 May 2019
Decided - GrantedN6/2015/0984/LB
Restoration of windows to front and side elevations
Sauls Wood House Ayot St Peter Road Ayot St Peter Welwyn AL6 9BG
Received 8 May 2015
Decided - Granted6/2020/0617/FULL
Loft conversion with rear roof lights
60 Birchwood Avenue Hatfield AL10 0PW
Received 4 Mar 2020
Decided - Refused6/2020/1992/PN8
Prior approval for the erection of a flat roofed single storey rear extension measuring 2.90m in height, 6m in depth and 2.90 to the eaves.
13 Broad Acres Hatfield AL10 9LE
Received 5 Aug 2020
Decided - Granted6/2016/2527/HOUSE
Erection of single storey rear extension
59 Warrengate Road North Mymms Hatfield AL9 7TT
Received 28 Nov 2016
Decided - Granted6/2015/2238/EM
Erection of single storey rear extension
57 Herns Lane, Welwyn Garden City, AL7 2AG
Received 3 Nov 2015
Decided - Withdrawn6/2021/3175/TPO
Reduction of oak tree by 30% subject to TPO 831 (2018) T1
3 Guessens Walk Welwyn Garden City AL8 6QS
Received 5 Nov 2021
Decided - Granted6/2018/2106/EM
Reduce 1 x Hornbeam tree by up to 4m in height & 2.5m in width
102 Ridgeway Welwyn Garden City AL7 2DA
Received 13 Aug 2018
Decided6/2020/1055/TC
Fell 6x Cypress trees (T3a, T3b, T5b, T5c, T5d, T5e)
The Manor House Hill Farm Lane Welwyn AL6 9BP
Received 12 May 2020
Decided - Refused6/2017/0281/HOUSE
Erection of two storey side and rear extensions
8 Vine Close Welwyn Garden City AL8 7PS
Received 15 Feb 2017
Decided - Granted6/2024/1040/HOUSE
Erection of a part single and part two storey rear extension, a single storey side extension following demolition of outbuilding and conservatory
11 Little Dell Welwyn Garden City AL8 7HZ
Received 4 Jun 2024
Decided - Granted6/2025/0477/LAWP
Certificate of lawfulness for the erection of proposed detached flat roof garage
93 Harmer Green Lane Digswell Welwyn AL6 0EY
Received 14 Mar 2025
Decided - Refused6/2020/3430/EM
Demolition and like for like rebuild of detached property.
1 Pentley Close Welwyn Garden City AL8 7SH
Received 22 Dec 2020
Decided - Granted6/2020/2182/COND
Submission of details pursuant to condition 1 (Archaeological Written Scheme of Investigation) on planning permission 6/2019/2703/FULL
The Rose And Crown 14 Church Street Welwyn AL6 9LX
Received 27 Aug 2020
DecidedN6/2009/1459/TE
FELL TO GROUND LEVEL THREE SYCAMORE TREES, ONE HOLLY AND THREE SYCAMORE TREES
DENTAL SURGERY, 43 PEARTREE LANE, WELWYN GARDEN CITY, HERTS, AL7 3UA
Received 23 Jun 2009
Decided - RefusedS6/2007/0890/AG
EXTENSION TO BARN
A BRAND & SON LTD, BULLS LANE, NORTH MYMMS, HATFIELD, HERTFORDSHIRE, AL9 7BB
Received 18 Jun 2007
Decided - GrantedS6/2013/2359/FP
Erection of single storey side and rear extension
1 Bradgate, Cuffley, EN6 4RW
Received 8 Nov 2013
Decided - Granted6/2023/0196/EM
Installation of solar panels to rear roof elevation
25 Brockswood Lane Welwyn Garden City AL8 7BE
Received 26 Jan 2023
Appeal Decided - Split6/2016/1461/HOUSE
Erection of single storey side extension and first floor rear extension following demolition of existing garage
48 Sherrardspark Road, Welwyn Garden City, AL8 7LB
Received 19 Jul 2016
Decided - Granted6/2025/1011/COND
Submission of details pursuant to Condition 7 (Construction Surface Water Management Statement) on planning permission 6/2024/0105/MAJ
Land north of The Meadway Cuffley Potters Bar EN6 4ET
Received 29 May 2025
Decided6/2023/0376/TC
1 x Silver birch to dismantle in sections to ground level Client was worried about potential animals burrowing under the tree. On first inspection the crown looked like it was declining, further round the base black exudations symptomatic of Honey fungus were visible
10 Sherrardspark Road Welwyn Garden City AL8 7JP
Received 17 Feb 2023

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