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

38,221Searchable applications

335Recorded as pending

86%Approval rate · 31,919 approved or refused records

4,548Refused applications

27,371 approved · 4,548 refused · 2,075 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2021/2936/EM
Removal of existing conservatory to facilitate the erection of single storey front extension and a single storey rear extension.
3 Scotts View Welwyn Garden City AL8 6HF
Received 12 Oct 2021
Decided - WithdrawnN6/2008/0978/FP
LOFT CONVERSION INCORPORATING ROOFLIGHTS TO EAST ELEVATION, NEW WINDOW TO SOUTH ELEVATION AND INTERNAL ALTERATIONS TO UTILITY ROOM
6 New Place Welwyn AL6 9QA
Received 25 Jun 2008
Decided - GrantedS6/2007/1114/FP
TWO STOREY REAR EXTENSION AND LOFT CONVERSION WITH DORMERS
58 Northaw Road East Cuffley Potters Bar EN6 4LZ
Received 26 Jul 2007
Decided - Withdrawn6/2026/0225/FULL
Change of use from lawned area to hard standing for car parking
8 Attimore Road Welwyn Garden City AL8 6LW
Received 9 Feb 2026
DecidedN6/2007/1992/FP
North Herts application 03/0060/01 for Change of use of the Golf Clubhouse at the Site and the extension of the existing building to form a 5 bedroom dwelling and the provision of a new entrance porch pursuant to the Planning Permission and the securing of the reversion of the existing golf course in accordance with the Landscape Plan
Danesbury Park Golf Club Codicote Road Welwyn AL6
Received 1 Jan 2007
Decided - Granted6/2021/2283/EM
Erection of single story rear extension and part conversion of garage to habitable use
13 Coneydale Welwyn Garden City AL8 7RX
Received 29 Jul 2021
Decided - Granted6/2017/2451/EM
Raising of party wall to facilitate roof alterations to conservatory roof at number 2
1 Marsden Close Welwyn Garden City AL8 6YE
Received 16 Oct 2017
Decided - Granted6/2025/0348/COND
Submission of details pursuant to condition 18 (Energy Statement) on planning permission 6/2021/3367/MAJ
Ludwick Green Ludwick Way Welwyn Garden City AL7 3QN
Received 25 Feb 2025
Decided - GrantedS6/2015/1019/NM
Non-material amendment following the approval of planning permission S6/2014/2728/FP - Change to window styles and materials and garage scheme to be reduced
5 Hanyards Lane, Potters Bar, EN6 4AS
Received 15 May 2015
Decided - Refused6/2021/2745/PN8
Prior approval for the erection of a single storey rear extension measuring 8m in depth, 3.5m in height, 3.5m to the eaves
Woodlands Coopers Lane Road Northaw Potters Bar EN6 4DJ
Received 22 Sept 2021
Decided - RefusedN6/2008/0115/FP
INSTALLATION OF REAR DORMER WINDOW
68 PEARTREE LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3UH
Received 22 Jan 2008
Decided - Granted6/2019/1156/ADV
Retention of 1x post mounted illuminated hanging sign
Judge's, Judge's Hill Northaw Potters Bar EN6 4NL
Received 9 May 2019
Decided - Granted6/2020/0093/HOUSE
Erection of front extension
10 Briars Close Hatfield AL10 8DQ
Received 15 Jan 2020
Decided - GrantedW6/2015/1245/EM
Erection of a single storey rear extension
6 Marsden Road Welwyn Garden City AL8 6XZ
Received 8 Jun 2015
Decided - GrantedS6/2013/0361/NM
Non material amendment following approval of planning permission S6/2011/1001/MA - Amendment to site layout to comply with building regulations. Amendment to cycle storage area and increase in height of the smoke shafts on block A plus installation of fan to the roof.
46 The Common Hatfield AL10 0LU
Received 25 Feb 2013
Decided - Granted6/2021/2119/VAR
Variation of condition 2 (approved plans) on planning permission 6/2020/3378/HOUSE
19 High Oaks Road Welwyn Garden City AL8 7BJ
Received 14 Jul 2021
Decided - Granted6/2016/1676/EM
Reduce Sycamore tree by 30%
228 Handside Lane, Welwyn Garden City, AL8 6TD
Received 15 Aug 2016
DecidedN6/2008/1993/TC
REMOVAL OF TWO POPLAR TREES FROM REAR GARDEN
24 MARSDEN ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6XZ
Received 17 Oct 2008
Decided - Refused6/2016/0546/HOUSE
Increase height of front wall
5 Brookmans Avenue, Brookmans Park, Hatfield, AL9 7QH
Received 22 Mar 2016
Decided - Granted6/2023/1726/FULL
Replacement of existing timber double glazed windows with UPVC double glazing
26-52 Rooks Hill Welwyn Garden City AL8 6ET
Received 16 Aug 2023
Decided - Granted6/2023/1179/TPO
Trim back conifers approximately 1.5 metres due to encroaching on highway. Trees covered by TPO 610 (2017)
Mulberry House Essendon Place High Road Essendon Hatfield AL9 6GZ
Received 5 Jun 2023
Decided - Granted6/2018/1452/HOUSE
Erection of a single storey rear extension
29 Lords Wood Welwyn Garden City AL7 2HF
Received 30 May 2018
Decided - Withdrawn6/2018/0135/COND
Submission of details pursuant to condition 11a (drainage strategy to include engineering drawings), 11b (calculations of storage volume) and 11c (harvesting techniques and green roof to be excluded in the calculations) on planning permission 6/2016/2706/MAJ, dated 20/06/2017
Ponsbourne Indoor Riding School Newgate Street Hatfield SG13 8QS
Received 16 Jan 2018
Decided - Withdrawn6/2024/2033/EM
Erection of a single storey side and rear extension with removal of chimney, following demolition of conservatory.
24 Springfields, Welwyn Garden City, AL8 6XP
Received 21 Oct 2024

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