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

40,285Searchable applications

321Recorded as pending

86%Approval rate · 33,777 approved or refused records

4,815Refused applications

28,962 approved · 4,815 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - RefusedN6/2013/2320/FP
Installation of external lighting and car park barrier
The Free Church, Church Road, Welwyn Garden City, AL8 6PR
Received 28 Oct 2013
Decided - GrantedW6/2013/0470/EM
Erection of two storey rear and single storey side extension, demolition of front of garage to create a wider and longer hardstanding
128 The Commons, WELWYN GARDEN CITY, AL7 4SB
Received 6 Mar 2013
Decided - Granted6/2024/1371/EM
Erection of front porch
33 Lemsford Lane Welwyn Garden City AL8 6YN
Received 17 Jul 2024
Decided - GrantedS6/2014/0133/FP
New porch roof and single storey side roofs, re-modelling elevations, revisions to windows and door openings
7 The Ridgeway, Cuffley, Potters Bar, EN6 4AY
Received 27 Jan 2014
Decided - Granted6/2015/2428/HOUSE
Removal of existing glazing and erection of part single and part two storey rear extension, with associated works to openings
21 Elmwood, Welwyn Garden City, AL8 6LD
Received 7 Dec 2015
Decided - Withdrawn6/2018/1142/EM
Erection of 1.8m galvanised Green V-mesh boundary fence to the north and west of woodland.
1 Perrywood Walden Road Welwyn Garden City AL8 7PZ
Received 1 May 2018
Decided - Granted6/2018/1766/EM
Creation of parking area by gaining access at rear of property, removal of 4 x Leylandii trees, alterations to fence and relocation of shed.
8 Parkway Close Welwyn Garden City AL8 6HJ
Received 5 Jul 2018
Decided - GrantedW6/2004/0281/EM
ERECTION OF REAR CONSERVATORY
7 Margery Wood, Welwyn Garden City, AL7 1UN
Received 24 Feb 2004
Decided - Granted6/2025/2092/COND
Submission of details pursuant to condition 3 (Site Waste Management Plan),on planning permission 6/2024/1512/MAJ (NMA1)
Elizabeth House Elizabeth Close Welwyn Garden City AL7 2JB
Received 1 Oct 2025
Decided - GrantedN6/2013/2078/FP
Erection of part single storey, part two storey rear extensions
57 Runsley, Welwyn Garden City, AL7 1NJ
Received 27 Sept 2013
Decided - RefusedS6/2007/1564/FP
INSTALLATION OF FRONT AND REAR DORMERS
47 Briars Lane Hatfield AL10 8EX
Received 23 Oct 2007
Decided - RefusedS6/2008/0546/FP
ERECTION OF SINGLE STOREY FRONT EXTENSION
23 NEW PARK ROAD, NEWGATE STREET, HERTFORD, HERTFORDSHIRE, SG13 8RD
Received 11 Mar 2008
Decided - Granted6/2026/0455/EMT
T1 Ash - Fell to ground level.
3 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 12 Mar 2026
Decided - Granted6/2015/2153/TPO
Reduce Oak tree crown by 25% - Conservation Area.
10 High Oaks Road, Welwyn Garden City, AL8 7BH
Received 19 Oct 2015
Decided - Granted6/2021/0266/EM
Changing existing driveway from non-permeable to permeable and incorporate existing pathways
22 Rosedale Welwyn Garden City AL7 1DR
Received 28 Jan 2021
Decided - Granted6/2022/0858/EM
Expansion of existing driveway
3 Parkfields, Welwyn Garden City, AL8 6EE
Received 11 Apr 2022
Decided - Granted6/2025/1819/EMT
Palm tree within bamboo to be removed - too close to property Oak to be lifted to 2.5m above ground level. Lateral branches over garden to be reduced by 1.5m the branches are too close to ground and blocking the light and space
2 Vine Close Welwyn Garden City AL8 7PS
Received 27 Aug 2025
Decided - Withdrawn6/2018/2810/HOUSE
Erection of part single, part two storey side and rear extension following the demolition of the existing conservatory and conversion of garage to habitable space
5 Woodland Rise Welwyn Garden City AL8 7LE
Received 31 Oct 2018
Appeal Decided - Allowed6/2019/2760/OUTLINE
Outline permission for residential development of site of up to 34 dwellings following demolition of the existing buildings and structures with all matters reserved apart from access
Colesdale Farm Northaw Road West Northaw Potters Bar EN6 4QZ
Received 1 Nov 2019
Decided - Granted6/2016/2004/FULL
Replacement of all single glazed windows with double glazed windows and replacement of front and rear doors with double glazed aluminium doors
Welwyn Civic Centre Prospect Place Welwyn AL6 9ER
Received 29 Sept 2016
Decided - Granted6/2017/0942/PN8
Prior approval for the erection of a single storey rear extension measuring 4.5m. in depth, 3.6m. in height and 2.6m. to the eaves
84 Carvers Croft Woolmer Green Knebworth SG3 6LX
Received 3 May 2017
Decided - Granted6/2021/2085/TPO
Fell 1 x Oak tree
3 Guessens Walk Welwyn Garden City AL8 6QS
Received 9 Jul 2021
Decided - GrantedN6/2006/0325/FP
ERECTION OF REAR CONSERVATORY
18 Sefton Court Welwyn Garden City AL8 6WW
Received 16 Mar 2006
Decided - Refused6/2017/1794/HOUSE
Erection of a single storey rear extension, installation of 2no rear bay windows, alterations to openings to rear elevations and erection of a brick boundary wall with brick piers and metal railings.
37 The Ridgeway Cuffley Potters Bar EN6 4BB
Received 15 Aug 2017

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

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