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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 10 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2026/1403/EM
Installation of an EV charger to the side elevation of the house, behind brick pillar
62 Moorlands Welwyn Garden City AL7 4QG
Received 7 Aug 2026
Decided - Granted6/2025/0544/EM
Installation of an Octopus Energy heat pump. The proposed location is to the side of the house not visible from the street or any neighbouring properties. All external pipework and cabling will also not be visible from the street or any neighbouring properties.
23 Rooks Hill AL8 6EU
Received 21 Mar 2025
Decided - GrantedN6/2007/0829/FP
AMENDMENTS TO N6/2006/1044/FP TO INCLUDE CONVERSION OF GARAGE TO UTILITY ROOM & STUDY INCLUDING PITCHED ROOF
Greenacres 5 Pottersheath Road Welwyn AL6 9SY
Received 30 May 2007
Decided - Granted6/2021/1381/HOUSE
Enlargement of existing front dormer window
97 Warren Way Digswell Welwyn AL6 0DL
Received 29 Apr 2021
DecidedN6/2014/0238/TC
Removal of Silver Birch tree
31 Great Dell, Welwyn Garden City, AL8 7HP
Received 11 Feb 2014
Decided - Granted6/2021/0334/EMT
Fell 1 x Hawthorn and Ash tree (TG2)
333 Howlands Welwyn Garden City AL7 4HN
Received 3 Feb 2021
Decided - Granted6/2018/1301/EM
Replacement of existing 5 panel bi-fold doors with 4 panel french doors and replace external door with window
51 Sherrardspark Road Welwyn Garden City AL8 7LD
Received 17 May 2018
Appeal Decided - Withdrawn6/2019/3103/HOUSE
Single storey rear extension to outbuilding and raising of its roof
7 Homestead Lane, Welwyn Garden City, AL7 4LT
Received 9 Dec 2019
Decided - Granted6/2016/1209/EM
Removal of Bay tree located in rear garden
47 Handside Lane, Welwyn Garden City, AL8 6SH
Received 10 Jun 2016
Decided - Granted6/2025/1457/EM
Demolition of Existing Shed, Erection of New Shed to the Rear of Existing Garage. Replacement of Single Glazed Windows with Double Glazed White Timber/ UPVC Sash Windows. Replacement Roof. Replacement of Fascia and soffits. Widening of Existing Drive. Replacement of Side Door.
1 Homerfield Welwyn Garden City AL8 6QZ
Received 7 Jul 2025
Decided - Refused6/2024/0063/EM
Erection of a two storey side extension with an addition of an alleyway
8 Cole Green Lane Welwyn Garden City AL7 3PW
Received 9 Jan 2024
Decided - Granted6/2026/1608/EM
Replacement fenestration, insertion of rooflight, raising flat roof to accommodate insulation for part garage conversion
11 Woodland Rise Welwyn Garden City AL8 7LJ
Received 15 Sept 2026
Decided - Granted6/2021/2800/TPO
1 x Cedar (T6) to have branch tips crown lifted to 5m. To reduce the crown in height by up to 1.5m and the sides by 1m and a formative thin of up to 15% to remove deadwood and crossing branch tips to reshape and balance the crown.
30 Parkside Welwyn AL6 9DQ
Received 29 Sept 2021
Decided - Granted6/2016/0581/COND
Approval of details reserved by condition 3 (materials) on planning permission N6/2015/1406/HOUSE and N6/2015/1407/LB
Manor Farm, Ayot Little Green Lane, Ayot St Peter, Welwyn, AL6 9BD
Received 4 Apr 2016
Decided - Granted6/2025/0825/COND
Submission of details pursuant to condition number 2 (Archaeological Written Scheme of Investigation), on planning permission 6/2023/0994/VAR
Land between The Manor House and Whitehall Field Cottage Essendon Hill Essendon AL9 6AJ
Received 30 Apr 2025
Decided - GrantedN6/2013/0360/NM
Non material amendment following approval of planning permission N6/1989/0364/FP - Amendments to elevations, driveway and footprint
12 The Avenue Welwyn AL6 0PN
Received 21 Feb 2013
Decided - Granted6/2018/0376/EM
Erection of a front porch
1 Howicks Green Welwyn Garden City AL7 4RJ
Received 2 Feb 2018
Decided - Withdrawn6/2019/2931/LB
Erection of detached garage and associated works
Osborne House Osborne Road Little Heath Potters Bar EN6 1SE
Received 21 Nov 2019
Decided - Granted6/2015/2530/HOUSE
Garage conversion following demolition of existing conservatory and alterations to openings
27 Cornflower Way Hatfield AL10 9FY
Received 23 Dec 2015
Decided - Granted6/2025/1686/EM
Plant a hedgerow on the boundary of front garden
76 Sweet Briar Welwyn Garden City AL7 3EA
Received 5 Aug 2025
Decided - GrantedW6/2008/1649/EM
ERECTION OF SINGLE STOREY REAR EXTENSION
24 MARSDEN GREEN, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6YA
Received 28 Aug 2008
Decided - Granted6/2020/0944/FULL
Erection of a single storey rear extension on each property
1 Dayemead and 64 The Commons Welwyn Garden City
Received 27 Apr 2020
Decided - Withdrawn6/2024/0435/EMT
Remove short row of conifers from front of property. Line the property perimeter with beech hedging to 4'
2 Fern Grove Welwyn Garden City AL8 7ND
Received 6 Mar 2024
Decided - GrantedN6/2012/2511/DS
Discharge of condition 3 (Materials) from planning permission N6/2012/1600/FP
22 Ayot Green, Ayot St Peter, WELWYN, AL6 9AB
Received 26 Nov 2012

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