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

40,250Searchable applications

321Recorded as pending

86%Approval rate · 33,746 approved or refused records

4,812Refused applications

28,934 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/0392/COND
Approval of details reserved by condition 3 (soft landscaping) on planning permission 6/2016/1449/HOUSE
5 Chantry Lane Hatfield AL10 9HS
Received 1 Mar 2017
Decided - Granted6/2023/0124/COND
Submission of details pursuant to condition 4 (Surface Water Drainage Scheme) on planning permission 6/2019/2431/MAJ
Link Drive Car Park Link Drive Hatfield AL10 8TY
Received 17 Jan 2023
Decided - RefusedS6/2013/0301/FP
Erection of a new dwelling
25 Willow Way, Hatfield, HATFIELD, AL10 9QD
Received 13 Feb 2013
Decided - Refused6/2021/2478/PN8
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 5 metres, for which the maximum height would be 4 metres, and for which the height of the eaves would be 3 metres.
Fountain View Great North Road Welwyn Garden City AL8 7TG
Received 24 Aug 2021
Decided - GrantedN6/2014/0553/HH
Prior approval for erection of single storey rear extension
3 Lady Grove, Welwyn Garden City, AL7 4DS
Received 13 Mar 2014
Decided - Granted6/2024/1863/EM
Erection of a single storey rear extension and partial conversion of garage. Alterations to front elevation to include raising of parapet wall to garage and a new window with brickwork to match existing infilling existing opening to passageway
61 Digswell Park Road Welwyn Garden City AL8 7NW
Received 27 Sept 2024
Decided - Granted6/2019/1988/HOUSE
Erection of a single storey rear extension, a part two storey, part single storey front extension and the provision of a pitched roof over an existing flat roof
1 Rollswood Road Welwyn AL6 9TX
Received 9 Aug 2019
Decided - GrantedN6/2014/2788/LB
Internal alterations and re ordering removal of rear side extension construction of rear side extension and construction of ground floor infill to existing side extension. New pitched roof replacement lead roof to lounge bay. Internal electrical and heating works and removal of outbuildings
Ayot Cottage, Hill Farm Lane, Ayot St Lawrence, Welwyn, AL6 9BT
Received 24 Dec 2014
Decided - Granted6/2020/2137/HOUSE
Erection of two storey side extension, front bay window, front porch and first floor side window. Alterations to openings to facilitate garage conversion into habitable space.
22 Hanyards Lane Cuffley Potters Bar EN6 4AT
Received 24 Aug 2020
Decided - Granted6/2023/2014/HOUSE
Erection of two storey rear, part single storey and part two storey side and front extensions, incorporating new roof structure with raised ridge height, rear dormer, front rooflights and loft rooms with associated alterations
21 Homewood Avenue Cuffley Potters Bar EN6 4QG
Received 29 Sept 2023
Decided - Granted6/2018/1290/HOUSE
Erection of a single storey rear extension following demolition of existing conservatory
7 Russellcroft Road Welwyn Garden City AL8 6QY
Received 16 May 2018
Decided - Refused6/2016/2603/EM
Replacement of front door
7 Caponfield Welwyn Garden City AL7 4AS
Received 7 Dec 2016
Decided - Granted6/2021/0750/EM
Replacement of existing hardstanding
6 The Glade Welwyn Garden City AL8 7LG
Received 8 Mar 2021
Decided - GrantedW6/2006/0388/EM
ERECTION OF A GARDEN SHED
24 Dellcott Close, Welwyn Garden City, AL8 7BD
Received 24 Mar 2006
Decided - Split6/2021/0201/COND
Submission of details pursuant to condition 2 (hard & soft landscape works), condition 4 (noise protection scheme), condition 6 (access & circulation areas), condition 7 (parking allocation) and condition 8 (secure cycle parking) on planning permission 6/2017/1242/FULL
2 St Albans Road East Hatfield AL10 0HE
Received 22 Jan 2021
Decided - Granted6/2020/0498/PN8
Prior approval for the erection of a single storey rear extension measuring 4m in depth, 3.5m in height and 2.10m to the eaves
168 Harwood Hill Welwyn Garden City AL8 7AG
Received 20 Feb 2020
Decided - Granted6/2021/3391/EM
Installation of vehicular crossover and hardstanding to rear
2 Malmsdale Welwyn Garden City AL8 7QN
Received 2 Dec 2021
Decided - Granted6/2025/1886/HOUSE
Erection of a single storey rear extension with internal alterations, following the demolition of existing conservatory
11 Peplins Close Brookmans Park AL9 7UX
Received 3 Sept 2025
Decided - GrantedN6/2009/1568/FP
USE OF OFFICE AS BASE FOR TAXI / HACKNEY CARRIAGES
UNIT 4E, PEARTREE FARM, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3UW
Received 21 Jul 2009
Decided - Granted6/2016/0913/FULL
Change of use of land to a mixed use site with the retention of the existing consented worm farm, and the addition of two caravans for residential purposes for one Gypsy and Traveller family
Land Adjacent to Great North Road, Stanborough, Welwyn Garden City, AL8 7TE
Received 11 May 2016
Decided - Withdrawn6/2016/0947/HOUSE
Formation of driveway
38 Broomfield Road Welwyn AL6 9DW
Received 16 May 2016
Decided - Granted6/2024/0161/LAWP
Certificate of lawfulness for the erection of an additional storey to the existing dwellinghouse
35 Codicote Road Welwyn AL6 9TT
Received 29 Jan 2024
Decided - Granted6/2020/0361/HOUSE
Erection of a single storey side/rear extension
4B Firway Close Welwyn AL6 0RE
Received 10 Feb 2020
Decided - Refused6/2020/1959/EM
Erection of a single storey rear extension.
86 Thistle Grove Welwyn Garden City AL7 4AQ
Received 6 Aug 2020

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