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

34,098Searchable applications

313Recorded as pending

87%Approval rate · 28,486 approved or refused records

3,748Refused applications

24,738 approved · 3,748 refused · 1,775 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 21 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2022/1980/EMT
Removal of 1 x silver birch
9 Lytton Gardens Welwyn Garden City AL8 6EG
Received 25 Aug 2022
Decided - Granted6/2020/3283/EM
Erection of ground floor rear extension
84 Woodhall Lane Welwyn Garden City AL7 3TF
Received 7 Dec 2020
Decided - GrantedS6/2013/2604/FP
Excavation to provide a new playroom at basement level and access from rear garden
74 Hill Rise, Cuffley, Potters Bar, EN6 4RH
Received 11 Dec 2013
Decided6/2025/0292/TC
Reduce 1 x Hazel by 2m in height, reduce width in easterly direction by 1.5m and westerly by 1.2m. Lift canopy to clear hedge by 1m, remove basal suckers
60 Bridge Road Welwyn Garden City AL8 6UR
Received 18 Feb 2025
Decided - Refused6/2018/2404/EM
Formation of driveway and part removal of hedge
18 Youngs Rise Welwyn Garden City AL8 6RU
Received 19 Sept 2018
Decided - Granted6/2020/2242/PN9
Prior approval for change of use from mixed use retail shop (A1) to single dwelling (C3) including alterations to the front elevation
4 Crawford Road Hatfield AL10 0PG
Received 1 Sept 2020
Decided - Granted6/2019/0101/EM
Fell T1- Portugese Laurel, Reduce T2- Hornbeams by 1-2m, Fell T3- Hornbeam
52 Sherrardspark Road Welwyn Garden City AL8 7LB
Received 18 Jan 2019
Decided - Granted6/2019/1457/FULL
Raise walls and replace the roof of the existing single storey rear extensions with associated alterations to openings and the installation of new windows and rooflights
26 Bradmore Way Brookmans Park Hatfield AL9 7QX
Received 17 Jun 2019
Decided - Granted6/2019/2076/LB
Installation of 2x external burglar alarm boxes
5 Digswell Lodge Digswell Rise Welwyn Garden City AL8 7NU
Received 20 Aug 2019
Decided - Granted6/2016/1453/EM
Removal of Robinia tree
17 Coneydale, Welwyn Garden City, AL8 7RX
Received 15 Jul 2016
Decided6/2017/1967/TPO
Reduce 2 Oak trees (1 & 3) by up to 30% - Conservation Area
29 Mandeville Rise Welwyn Garden City AL8 7JT
Received 1 Sept 2017
Decided - Granted6/2023/0032/HOUSE
Erection of single storey side/rear extension
13A Station Road Welham Green Hatfield AL9 7PN
Received 6 Jan 2023
Decided - GrantedW6/2013/1112/EM
Erection of single storey rear extension, part conversion of garage to provide utility room and formation of hardstanding
28 Blakemere Road, WELWYN GARDEN CITY, AL8 7PJ
Received 29 May 2013
Appeal Decided - AllowedC6/1988/0698/FP
Two storey rear extension
94 Brocket Road Welwyn Garden City AL8 7TU
Received 1 Jan 1988
Decided - Refused6/2015/2504/COND
Approval of details reserved by condition 3 (foundation method statement) on planning permission N6/2012/2114/FP
9 Juniper Gardens Welwyn AL6 0XH
Received 16 Dec 2015
DecidedS6/2015/0746/CD
Application to register land in North Mymms
Land in, North Mymms, AL9 7PG
Received 8 Apr 2015
DecidedN6/2014/2076/TC
Reduce 5 Beech trees by upto 20%
4 Blakemere Road, Welwyn Garden City, AL8 7PJ
Received 19 Sept 2014
Decided - Granted6/2021/1635/FULL
Change of use from HMO (6 x Rooms) to 2 x self-contained residential flats (1 x Studio, 1 x 2-bed) with erection of single storey rear extension.
21 French Horn Lane Hatfield AL10 8AG
Received 21 May 2021
Decided - Granted6/2019/0492/TPO
Crown reduction in height and lateral branches by 1m. Cedar Tree T2 covered by TPO 76
30 Parkside Welwyn AL6 9DQ
Received 4 Mar 2019
Appeal Decided - Dismissed6/2020/0080/FULL
Retention of building following alteration of roof (eastern side) from a gable-end to hip-end
Beavers Lodge Farm, Tylers Causeway, Newgate Street, Hertford, SG13 8QN
Received 14 Jan 2020
Decided - Granted6/2021/2508/TPO
T1 - Oak - Fell to ground level due to basal decay and proximity to properties T2 - Oak - Reduce oak by approximately 2m to suitable growth points to allow more light T3 - Sweet Chestnut - Reduce crown by 3m
2A The Drive Welwyn AL6 0TR
Received 26 Aug 2021
Decided - Granted6/2020/0352/EM
Fell 1 x Norway Spruce Pine tree
1 Marsden Road Welwyn Garden City AL8 6YQ
Received 7 Feb 2020
Decided - Granted6/2015/2290/EM
Erection of single storey extension and dormer window
9 Applecroft Road, Welwyn Garden City, AL8 6JZ
Received 9 Nov 2015
Decided - GrantedC6/1987/0494/FP
Single storey rear extension
24 Hornsfield, Welwyn Garden City, AL7 2DX
Received 1 Jan 1987

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