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

283Recorded as pending

86%Approval rate · 33,821 approved or refused records

4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 9 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/0065/EM
Erection of single storey rear extension, alteration to openings, new driveway and crossover
52 Bridge Road, Welwyn Garden City, AL8 6UR
Received 15 Jan 2016
Decided - Granted6/2022/0206/HOUSE
Installation of two in-line windows to front of roof above front door, a window to each gable at the end of house, the erection of a balcony to the back of house and two roof light windows.
82 New Park Road Newgate Street Hertford SG13 8RF
Received 28 Jan 2022
Decided - Granted6/2023/1576/HOUSE
Erection of single storey front extension
24 Honeysuckle Gardens Hatfield AL10 8PJ
Received 31 Jul 2023
Decided - Granted6/2021/2777/EMH
Erection of single storey front and rear extensions
401 Knightsfield Welwyn Garden City AL8 7LY
Received 27 Sept 2021
Decided - Refused6/2018/1909/EM
Installation of rear roof light and replacement of first floor rear window
6 Russellcroft Road Welwyn Garden City AL8 6QT
Received 18 Jul 2018
Decided - Granted6/2023/0493/COND
Submission of details pursuant to condition 9 (site drainage management) on planning permission 6/2021/1612/VAR
The District Cemetery South Way Hatfield AL10 8HS
Received 3 Mar 2023
Decided - Granted6/2018/0590/HOUSE
Erection of single storey side and rear extensions and front porch
89 Holloways Lane Welham Green Hatfield AL9 7NU
Received 1 Mar 2018
Decided6/2026/0293/TC
1 x Cherry to fell.
17 Dellcott Close Welwyn Garden City AL8 7BB
Received 19 Feb 2026
Decided - Granted6/2018/2574/COND
Submission of details pursuant to condition 1 (details of crown roof) and 2 (soft landscaping) on planning permission 6/2018/1730/HOUSE
7 The Grove Brookmans Park Hatfield AL9 7RL
Received 5 Oct 2018
Decided - Refused6/2021/0693/LAWP
Certificate of lawfulness for a two storey rear extension
19 Carbone Hill Northaw Potters Bar EN6 4PJ
Received 3 Mar 2021
Decided - RefusedW6/2005/1538/EM
ERECTION OF SINGLE STOREY AND PART TWO STOREY REAR EXTENSION.
9 Attimore Road, Welwyn Garden City, AL8 6LH
Received 12 Dec 2005
Decided - GrantedS6/2009/1902/DS
DISCHARGE OF CONDITIONS 2 (ROOF TILES) & 5 (DEMOLITION) OF PLANNING PERMISSION S6/2009/1207/FP
57 The Ridgeway, Potters Bar, EN6 4BD
Received 8 Sept 2009
Decided - GrantedS6/2015/0393/FP
Erection of two storey side and single storey rear extension
19 Bradmore Way, Hatfield, AL9 7QY
Received 27 Feb 2015
Decided - GrantedN6/2006/0458/FP
ERECTION OF SINGLE STOREY REAR EXTENSION AND INSERTION OF THREE DORMER WINDOWS IN REAR ROOF SLOPE
26 Turmore Dale Welwyn Garden City AL8 6HS
Received 6 Apr 2006
Decided - GrantedS6/2009/0637/FP
CHANGE OF USE FROM A1 TO SUI GENERIS TO FORM A DOG/PET GROOMING SALON AND RETAIL OF PET ACCESSORIES
28 SALISBURY SQUARE, HATFIELD, HERTFORDSHIRE, AL9 5JD
Received 3 Apr 2009
Decided - GrantedN6/2009/1301/FP
ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSIONS
24 RAYMONDS PLAIN, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4TF
Received 17 Jun 2009
Decided - Granted6/2016/1220/TPO
Removal of Leylandii tree - Conservation Area - Dead & Dangerous
24 Roundwood Drive, Welwyn Garden City, AL8 7JZ
Received 17 Jun 2016
Decided - Granted6/2020/1103/EM
Erection of garden cabin
50 Knightsfield Welwyn Garden City AL8 7HA
Received 15 May 2020
Decided - RefusedN6/2014/0255/FP
Change of use from A1 (Retail) To A5 (Hot Food Takeaway) plus associated works including installation of new shop front and extraction equipment
City Sounds, 13 Wigmores South, Welwyn Garden City, AL8 6PL
Received 28 Jan 2014
Decided - Granted6/2017/2490/EIA
Request for a screening opinion at the Former Shredded Wheat Factory, Bridge Road, WGC.
Former Shredded Wheat Factory Bridge Road Welwyn Garden City AL8 6UN
Received 26 Oct 2017
Decided - GrantedS6/2014/2326/TC
Removal of Ash tree and reduce two Malus trees by 20%
17 Park Street, Hatfield, AL9 5AT
Received 22 Oct 2014
Decided - Refused6/2021/3125/HOUSE
Demolition of existing attached garage and removal of 3m high Leylandi trees and 1 x Hawthorn tree to facilitate the erection of a detached double garage, extension to driveway and insertion of privet hedging.
11 Aldock Welwyn Garden City AL7 4QF
Received 2 Nov 2021
Decided - Granted6/2025/0039/HOUSE
Proposed formation of side dormer
60 The Meadway Cuffley Potters Bar EN6 4ES
Received 10 Jan 2025
Decided - Granted6/2018/0167/HOUSE
Erection of single storey front and rear extensions.
36 Marley Road Welwyn Garden City AL7 4BS
Received 17 Jan 2018

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