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

37,431Searchable applications

335Recorded as pending

86%Approval rate · 31,224 approved or refused records

4,351Refused applications

26,873 approved · 4,351 refused · 2,017 withdrawn. Received dates in our records: 29 Apr 1948 to 20 Oct 2026. Most recent record check: 26 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/1860/EM
Installation of rear flat roof dormer
98 Thistle Grove Welwyn Garden City AL7 4AQ
Received 1 Sept 2025
Decided - Granted6/2023/2398/LAWP
Certificate of lawfulness for installation of side facing dormer.
16 Great North Road Welwyn Garden City AL8 7TH
Received 28 Nov 2023
Decided - Granted6/2022/2540/EM
Erection of outbuilding following the felling of 1 x Apple Tree
37 Blakemere Road, Welwyn Garden City, AL8 7PQ
Received 7 Nov 2022
Decided6/2025/1557/TC
T1 Oak to fell
12 Digswell Lodge Digswell Rise Welwyn Garden City AL8 7NU
Received 21 Jul 2025
Decided - GrantedN6/2015/0712/FP
Erection of front porch following demolition of existing porch
14 Carleton Rise Welwyn AL6 9RA
Received 7 Apr 2015
Decided - GrantedN6/2015/0776/TC
Removal of Ash tree from rear garden
34 Guessens Road, Welwyn Garden City, AL8 6RA
Received 9 Apr 2015
Decided - GrantedS6/2013/0346/TP
Full re-pollarding of Willows T1 and T2 covered by TPO 297
The Willows, 1A Wood View, Cuffley, POTTERS BAR, EN6 4RE
Received 19 Feb 2013
Decided - GrantedS6/2013/0755/FP
Erection of single storey rear extension
27 Briars Wood Hatfield AL10 8DA
Received 11 Apr 2013
Decided - Withdrawn6/2021/0048/LAWE
Certificate of lawfulness for the existing single storey extension
9 Skimpans Close Welham Green Hatfield AL9 7PA
Received 8 Jan 2021
Decided - Granted6/2019/2804/EM
Erection of two storey and single storey rear extension
9 The Commons Welwyn Garden City AL7 4RW
Received 6 Nov 2019
Decided - GrantedW6/2014/0284/EM
Formation of vehicle hardstanding
24 Four Acres, Welwyn Garden City, AL7 4NW
Received 5 Feb 2014
Decided - GrantedS6/2012/2636/FP
Erection of single storey front and rear extension including rear roof dormer window
34 Pine Grove, Brookmans Park, HATFIELD, AL9 7BS
Received 19 Dec 2012
Decided - RefusedN6/2013/2677/LUP
Certificate of lawfulness for the proposed erection of a single storey rear extension
Whitehill Cottages, 5 Whitehill, Ayot St Peter, Welwyn, AL6 9AE
Received 24 Dec 2013
Decided - GrantedS6/2014/0492/AD
Installation of one fascia sign
Howdens Joinery, Travellers Lane, Welham Green, Hatfield, AL9 7HB
Received 10 Mar 2014
Decided - GrantedN6/2014/1491/FP
Erection of single storey side extension
The Barnhouse Digswell Lane Welwyn AL6 0SP
Received 2 Jul 2014
DecidedN6/2009/2205/CD
CHANGE OF USE OF SITE FROM INDUSTRIAL (B2) USE TO WASTE USE (SUI GENERIS) FOR END OF LIFE VEHICLE DISMANTLING AND DE-POLLUTION AND METAL RECYCLING
WGC METALS LTD, BRIDGE WORKS, BRIDGEFIELDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1RX
Received 15 Oct 2009
Decided - GrantedN6/2014/2219/TP
Reduce 2x Hornbeams to previous cuts by 30% and thin canopy, covered by TPO 99
3 Juniper Gardens Welwyn AL6 0XH
Received 8 Oct 2014
Decided - Withdrawn6/2018/1906/EM
Retention of rear garden outbuilding and proposed alterations to front and rear garden landscaping, enlargement of front hardstanding, installation of rear decking, pergola and gabion wall and replacement of rear fence
71 Digswell Park Road Welwyn Garden City AL8 7NW
Received 19 Jul 2018
Decided6/2022/2337/TC
T1 x Atlas Cedar to reduce by 10ft height & 6ft width
8 Turmore Dale Welwyn Garden City AL8 6HS
Received 6 Oct 2022
Decided - Granted6/2019/0828/EM
Fell 1 x Conifer tree. Reduce 1 x Conifer hedge to 3m
41 Elmwood Welwyn Garden City AL8 6LD
Received 5 Apr 2019
Decided - RefusedN6/2008/1748/FP
ERECTION OF SINGLE STOREY SIDE EXTENSION AND TWO STOREY SIDE AND REAR EXTENSION.
16 HOMESTEAD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4LU
Received 10 Sept 2008
Decided - Refused6/2018/2650/LAWP
Certificate of lawfulness for the erection of two storey rear extension and single storey side extensions to both sides
4 Hawkshead Lane North Mymms Hatfield AL9 7TB
Received 16 Oct 2018
Decided - Granted6/2025/1758/LAWP
Certificate of lawfulness for replacing the existing garage door with window, wall opening infilled and finished to match first floor dormer treatment
1A Marlborough Close Welwyn AL6 0UG
Received 19 Aug 2025
Decided6/2021/0546/TC
Crown lift of 1m for 1 x Magnolia tree (T1), crown lift of 1m and reduce 1 top branch by 1m for 1 x Liquid Amber tree (T2), reduce crown by 2m and lift crown by 2m for 2 x Hornbeam trees (T3, T4), fell 1 x Elder tree (T5), fell 1 x Holly tree (G1), reduce 1 x Holly tree by 1m covered by conservation area
42 Sherrardspark Road Welwyn Garden City AL8 7LB
Received 19 Feb 2021

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