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

40,295Searchable applications

322Recorded as pending

86%Approval rate · 33,786 approved or refused records

4,816Refused applications

28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

Appeal Decided - Dismissed6/2022/2371/FULL
Change of use of land to equestrian, incorporating the erection of an equestrian stable building, horse walker and siting of a portacabin (retrospective)
Cromer Hyde Cromer Hyde Farm Marford Road Lemsford Welwyn Garden City AL8 7XD
Received 12 Oct 2022
Decided - Granted6/2025/0912/LAWP
Certificate of lawfulness for conversion of the loft into habitable space
3 Mount Pleasant Close Hatfield AL9 5BZ
Received 16 May 2025
Decided - Granted6/2026/0951/EM
Replacing a 7'x5' timber shed with a 10'x8' timber shed.
9 Lytton Gardens, Welwyn Garden City, AL8 6EG
Received 29 May 2026
Decided - GrantedN6/2005/1428/FP
ERECTION OF SINGLE STOREY REAR EXTENSION
23 Great Ley Welwyn Garden City AL7 4TJ
Received 16 Nov 2005
Decided - Granted6/2016/2235/EM
Formation of hardstanding
100 Cole Green Lane Welwyn Garden City AL7 3JD
Received 24 Oct 2016
Decided - Granted6/2026/1072/LAWP
Erection of outbuilding with glazed roof
2 Brooksfield Welwyn Garden City AL7 2BJ
Received 19 Jun 2026
Decided - GrantedN6/2013/1042/FP
Erection of single storey side extension following demolition of existing garage
12 Willow Grove, WELWYN GARDEN CITY, AL8 7NA
Received 13 May 2013
Decided - Granted6/2016/0343/HOUSE
Erection of a single storey rear extension following demolition of existing extension
20 Sheepcote, Welwyn Garden City, AL7 4QD
Received 29 Feb 2016
Decided - Refused6/2023/0898/PN8
Prior approval for the erection of a single storey rear extension measuring 5 metres in depth, 3.68 metres in height and 3 metres to the eaves
61 The Ridgeway Cuffley Potters Bar EN6 4BD
Received 27 Apr 2023
Decided - Granted6/2024/1931/EMT
T1 Holly - Reduce crown by 30%. T2 Laurel - Reduce to 6ft in height. T3 Horse Chestnut - Reduce crown by 30%. T4 Sycamore - Reduce crown by 30%. T5 Laurel - Reduce crown by 50%. T6 Damson - Reduce crown by 20%. T7 Magnolia - Reduce branches back from property by 1.5 metres
6 Youngs Rise Welwyn Garden City AL8 6RU
Received 9 Oct 2024
Decided6/2022/2047/TC
Line of Lawson Cypress to reduce lower section to approximately 2m above ground level. Rear section (higher section) to reduce by approximately 4m in height and trim sides back - Trees are becoming too large for gardens causing large amounts of shading for neighbours.
14 Gooseacre Welwyn Garden City Hertfordshire AL7 4NB
Received 2 Sept 2022
Decided - GrantedS6/2007/1519/AD
INSTALLATION OF ILLUMINATED AND NON-ILLUMINATED SIGNAGE.
W WATERS AND SONS LTD, COMET WAY, HATFIELD, HERTFORDSHIRE, AL10 9TF
Received 19 Oct 2007
Decided - Granted6/2017/2165/EM
Installation of 3 x rooflights to rear elevation
214 Handside Lane Welwyn Garden City AL8 6TD
Received 25 Sept 2017
Decided - Granted6/2016/0182/VAR
Variation of conditions 2 (In accordance with plans), 3 (Buffer Zone for Landscaping) and 4 (Hard & Soft Landscaping). N6/2013/1977/FP - Erection of garage extension and formation of new driveway using existing access
Danesbury Hill House Codicote Road Welwyn AL6 9NF
Received 1 Feb 2016
Decided - GrantedN6/2014/2737/FP
Planning permission to convert garage to living accomodation, erection of gates and the rendering of the property
2 Roundwood Close Welwyn AL6 0XB
Received 19 Dec 2014
Decided - Granted6/2024/1063/HOUSE
Erection of single storey rear extension
13 Clarkes Road Hatfield AL10 0HN
Received 7 Jun 2024
Decided - Granted6/2017/2677/HOUSE
Erection of single storey rear extension including installation of 1 roof light
36 Hertford Road Digswell Welwyn AL6 0DB
Received 17 Nov 2017
Decided - Granted6/2021/1010/EM
Erection of a single storey side extension and single storey rear/side extension, insertion of roof lantern and insertion of window to side elevation.
20 Monks Rise Welwyn Garden City AL8 7NF
Received 26 Mar 2021
Decided - GrantedS6/2008/0883/FP
ERECTION OF PART TWO STOREY REAR EXTENSION, PART FIRST FLOOR REAR EXTENSION, PART SINGLE STOREY REAR EXTENSION AND FIRST FLOOR FRONT EXTENSION
126 TOLMERS ROAD, CUFFLEY, HERTS, EN6 4JR
Received 4 Jun 2008
Decided - Granted6/2019/3111/ADV
Installation of lights and signs consisting of 1 x externally illuminated static sign, 1 x non illuminated static sign, 1 x projecting externally illuminated static sign, 3 x timber non illuminated sign, 1 x internally illuminated static sign, 1 x non illuminated sign static and 1 x internally illuminated static sign 1x free standing sign.
The Rose And Crown 14 Church Street Welwyn AL6 9LX
Received 9 Dec 2019
Decided - Granted6/2016/1178/FULL
Erection of one 4 bedroom dwellinghouse and demolition of outbuildings
19 Woodland Way Welwyn AL6 0RX
Received 15 Jun 2016
Decided - GrantedN6/2014/0953/NM
Non material amendment following approval of planning permission N6/2013/2437/FP - Single storey element to be pulled away from boundary of No.55. Plus low level wing wall which frames over hang to be constructed of traditional brick rather than cladding
57 Valley Road Welwyn Garden City AL8 7DH
Received 9 May 2014
Decided - GrantedS6/2009/1028/LU
CERTIFICATE OF LAWFULNESS FOR PROPOSED SINGLE STOREY REAR EXTENSION
33 WELHAM MANOR, DIXONS HILL ROAD, WELHAM GREEN, HATFIELD, HERTFORDSHIRE, AL9 7EL
Received 21 May 2009
Decided - GrantedN6/2004/1149/FP
RETENTION OF 2.4 METRE HIGH BOUNDARY FENCE
46 Daniells Welwyn Garden City AL7 1QX
Received 26 Jul 2004

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