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28,874 approved · 4,802 refused · 2,208 withdrawn.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: 31 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedW6/2008/1802/EM
ERECTION OF REAR CONSERVATORY
203 THISTLE GROVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4AH
Received 20 Sept 2008
Decided - GrantedS6/2013/2036/HH
Erection rear extension following demolition of existing side garage and rear extension
28 Hawkshead Lane, North Mymms, Hatfield, AL9 7TB
Received 26 Sept 2013
Decided - GrantedW6/2004/0210/EM
ERECTION OF GARDEN SHED
82 Herns Lane, Welwyn Garden City, AL7 2AH
Received 13 Feb 2004
Decided - Granted6/2021/1532/HOUSE
Erection of side and rear extension, and alterations to existing first floor with new rear and side dormers
74 Warrengate Road North Mymms Hatfield AL9 7TY
Received 13 May 2021
Decided - Granted6/2016/0832/LAWP
Certificate of lawfulness for the proposed erection of hip to gable roof extension and rear dormer window including installation of 3no roof windows
38 Holme Road Hatfield AL10 9LF
Received 29 Apr 2016
Decided - Granted6/2021/3494/HOUSE
Erection of a single storey rear extension to link with the existing converted garage (gym) after the demolition of the existing conservatory
19 Bluebridge Road Hatfield AL9 7UW
Received 16 Dec 2021
Decided - Granted6/2024/1768/EMT
1 x Elderberry to remove to ground level. This tree is declining. 1 x Plum to remove to ground level. This is dead. 1 x Apple (dead) to remove to ground level. This is dead
32 Valley Road, Welwyn Garden City, AL8 7DN
Received 12 Sept 2024
Decided - GrantedN6/2008/1327/TP
REDUCE AND SHAPE BEECH TREE BY 20% COVERED BY TPO 108 G4
13 Mardley Wood Welwyn AL6 0UY
Received 31 Jul 2008
Decided - GrantedW6/2007/0865/EM
SINGLE STOREY SIDE EXTENSION AND REAR CONSERVATORY
27 Wheatley Road, Welwyn Garden City, AL7 3LL
Received 13 Jun 2007
Decided - Granted6/2020/0364/HOUSE
Erection of single storey side and rear extension, following demolition of existing conservatory. Conversion of garage into habitable space and erection of side boundary fence with access gate
5 Dowley Wood Welwyn Garden City AL7 1FL
Received 10 Feb 2020
Decided - Granted6/2017/1068/HOUSE
Erection of new single storey side garden store
26 Beehive Lane Welwyn Garden City AL7 4BQ
Received 17 May 2017
Decided - Withdrawn6/2020/2342/LB
Installation of double glazed timber windows and doors to replace current decayed timber windows and doors. Altered opening to accommodate new bifolding doors.
Ayot Farm Bibbs Hall Lane Welwyn AL6 9BY
Received 14 Sept 2020
Decided - Granted6/2020/2756/HOUSE
Erection of a single storey rear extension
38 Calder Avenue Brookmans Park Hatfield AL9 7AG
Received 22 Oct 2020
Decided - Granted6/2016/1348/FULL
Erection of a 24sqm single storey new accommodation for the Shire Park Business Park security office.
Land adjacent to Central Drive, Shire Park, Welwyn Garden City
Received 4 Jul 2016
Decided - GrantedC6/1988/0488/FP
Two storey and single storey rear extension
102 Ridgeway, Welwyn Garden City, AL7 2DA
Received 1 Jan 1988
Decided - Granted6/2019/0596/EM
Erection of a wooden summerhouse/shed following demolition of exisiting green house
23 Fordwich Road Welwyn Garden City AL8 6EX
Received 13 Mar 2019
Decided - Granted6/2025/0383/EM
Erection of a single storey 'L' shaped rear extension, garage conversion with raised roof and new window to first floor elevation
35 Fordwich Road Welwyn Garden City AL8 6EY
Received 27 Feb 2025
Decided - Granted2/2020/1585/EMH
Erection of a single storey rear extension
51 Kirklands Welwyn Garden City AL8 7RF
Received 2 Jul 2020
Decided - GrantedN6/2004/0489/FP
NEW ROOF FORMATION TO EXISTING GARAGE TO ACCOMMODATE A STUDY WITH FRONT AND REAR DORMERS
10 Robbery Bottom Lane Welwyn AL6 0UW
Received 29 Mar 2004
Decided - Granted6/2024/0210/COND
Submission of details pursuant of condition 3 (step samples) on consent ref: 6/2023/1596/LB
24 Church Street Hatfield AL9 5AW
Received 2 Feb 2024
Decided - GrantedW6/2013/0956/EM
Formation of vehicle crossover and hardstanding
17 Hunters Way, WELWYN GARDEN CITY, AL7 4NT
Received 10 May 2013
Under Consideration6/2026/0642/TC
Reduce sycamore tree to a stump.
1 The Links Welwyn Garden City AL8 7DS
Received 13 Apr 2026
Decided - Granted6/2016/0462/HOUSE
Erection of single storey rear extension
22 Bushey Ley, Welwyn Garden City, AL7 3HW
Received 21 Mar 2016
Decided - Granted6/2024/0154/EM
Installation of solar panels
71 Broomhills Welwyn Garden City AL7 1RE
Received 26 Jan 2024

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