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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 8 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2013/0004/FP
Erection of first floor and ground floor extensions and extension to raised patio
42 The Grove, Brookmans Park, HATFIELD, AL9 7RN
Received 2 Jan 2013
Decided - Withdrawn6/2020/0560/TC
Removal of current hedge (Holly Hedge (H1) to facilitate installations of 90cm high black chainlink fence
The Old Manse 40 Barleycroft Road Welwyn Garden City AL8 6JU
Received 27 Feb 2020
Decided - Granted6/2021/3423/VAR
Variation of condition 1 and 2 (amendment of wording of previously approved application) and condition 4 (change list of approved drawings) on planning permission 6/2019/0218/LB
Northaw House Coopers Lane Northaw Potters Bar EN6 4NG
Received 7 Dec 2021
Decided - GrantedS6/2009/2602/DS
DISCHARGE OF CONDITIONS 3 (LANDSCAPING), 5 (MATERIALS), 8 (REFUSE AND RECYCLING), 9 (VEHICULAR PARKING), 13 (WATER EFFICIENCY) AND 14 (NATIVE TREES) FROM PLANNING PERMISSION S6/2009/1072/FP
LAND REAR OF 2, 2A AND 4 DELLSOME LANE AND, 131 DIXONS HILL ROAD, WELHAM GREEN, HATFIELD, HERTFORDSHIRE, AL9 7DN
Received 26 Nov 2009
Decided - Granted6/2025/2494/HOUSE
Erection of a two storey rear extension and installation of a window on the first floor side elevation of the existing dwelling.
13 Greenfield Hatfield AL9 5HW
Received 1 Dec 2025
Appeal Decided - DismissedS6/2007/1498/FP
PROPOSED FIRST FLOOR AND SIDE EXTENSION
36 THEOBALDS ROAD, CUFFLEY, HERTS, EN6 4HL
Received 12 Oct 2007
Decided - Granted6/2023/0237/HOUSE
Erection of single storey rear extension and garage conversion with new roof and 2 x rooflights. Plus alterations to openings to existing front and rear elevations, including replacing front window
21 The Chase Welwyn AL6 0QT
Received 31 Jan 2023
Decided - WithdrawnS6/2013/1392/LUP
Certificate of lawfulness for installation of generator to side elevation
Nestor Healthcare 1 Beaconsfield Close Hatfield AL10 8HU
Received 25 Jun 2013
Decided - Granted6/2016/0435/EM
Reduce Eucalyptus tree, Whitebeam tree, Apple tree and two Plum trees by upto 33% plus removal of two Whitebeam trees
32 Valley Road, Welwyn Garden City, AL8 7DN
Received 10 Mar 2016
Decided - GrantedN6/2007/0136/FP
CONTINUED USE OF BUILDING AND HARDSTANDING FOR CAR SALES (INTERNET)/STORAGE/PARKING
53A Great North Road Welwyn Garden City AL8 7TL
Received 25 Jan 2007
Decided6/2020/0762/TC
Fell 1x Japanese Cedar tree
59 Bridge Road Welwyn Garden City AL8 6UH
Received 20 Mar 2020
Decided - GrantedW6/2013/0761/TE
Removal of one Tree of Heaven and one Beech tree
194 Knightsfield, WELWYN GARDEN CITY, AL8 7RQ
Received 15 Apr 2013
Decided - GrantedN6/2014/0223/TC
Removal of one Yew & one Cherry tree
29 Digswell Road, Welwyn Garden City, AL8 7PB
Received 10 Feb 2014
Decided - RefusedW6/2004/1667/EM
FORMATION OF VEHICLE HARDSTANDING
26 Dawley, Welwyn Garden City, AL7 1DZ
Received 11 Nov 2004
Decided - GrantedS6/2015/1464/HOUSE
Erection of single storey rear extension and installation of balcony and dormer window
7 Wild Hill Hatfield AL9 6EB
Received 7 Jul 2015
Appeal Decided - AllowedN6/2007/0995/FP
REVISION TO N6/2006/950/FP (AMENDED DESIGN TO EASTERN ELEVATION OF DWELLING, AND ROOF OF CONSERVATORY)
21 Turpins Chase Welwyn AL6 0RF
Received 2 Jul 2007
Decided - Granted6/2016/2346/EM
Enlargement of hardstanding
51 Springfields Welwyn Garden City AL8 6XT
Received 8 Nov 2016
Decided - GrantedS6/2007/0947/FP
ERECTION OF A SINGLE STOREY FRONT EXTENSION
26 Warren Close Hatfield AL10 0AL
Received 26 Jun 2007
Decided - Granted6/2016/1127/HOUSE
Erection of first floor front extension and porch infill
60 Mymms Drive, Brookmans Park, Hatfield, AL9 7AF
Received 8 Jun 2016
Decided - Granted6/2018/1030/EM
Installation of front plume flue to replace existing front horizontal boiler flue
86 Handside Lane Welwyn Garden City AL8 6SJ
Received 20 Apr 2018
Decided - Granted6/2017/2929/HOUSE
Erection of single storey, part two storey rear extension and alterations to openings, following demolition of existing detached shed.
69 Woods Avenue Hatfield AL10 8QF
Received 19 Dec 2017
Decided - Granted6/2022/0127/EMT
T1 crown reduction of liquid amber back to previous cuts (up to 2m from branch tips). T2 Crown reduction of apple tree by up to 2m from branch tips.
12 Mannicotts Welwyn Garden City AL8 7BW
Received 18 Jan 2022
Decided - GrantedW6/2013/0370/EM
Erection of rear white PVCU conservatory
21 Ingles, WELWYN GARDEN CITY, AL8 7HE
Received 18 Feb 2013
Decided - GrantedN6/2014/1819/NM
Non material amendment following approval of planning permission N6/2014/1122/FP - Alterations to ground floor rear window
15 Monks Rise Welwyn Garden City AL8 7NF
Received 13 Aug 2014

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