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

40,250Searchable applications

321Recorded as pending

86%Approval rate · 33,746 approved or refused records

4,812Refused applications

28,934 approved · 4,812 refused · 2,213 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2016/1368/FULL
Replacement of windows
3-15 Ludwick Way, Welwyn Garden City, AL7 3PA
Received 5 Jul 2016
Decided - Granted6/2025/0274/EMT
2 x Beech to reduce by approximately 3m in height and 2m in width. Remove deadwood consisting of branches greater than 30mm in diameter
6 Blakemere Road Welwyn Garden City AL8 7PJ
Received 14 Feb 2025
Decided - Granted6/2022/2309/EMT
Removal of Leylandi Shrub (approximately four metres high).
337 Knightsfield Welwyn Garden City AL8 7NB
Received 3 Oct 2022
Decided - Granted6/2016/1660/EM
Erection of a single storey part two storey rear extension and alterations to openings
16 Melbourne Court, Welwyn Garden City, AL8 6LL
Received 12 Aug 2016
Decided - Granted6/2016/1879/EM
Works to vehicular hardstanding and to include widening of access
24 Mandeville Rise, Welwyn Garden City, AL8 7JU
Received 15 Sept 2016
Decided - WithdrawnN6/2013/1359/FP
Replacement of two rooflights on rear roof slope
88 Handside Lane, Welwyn Garden City, AL8 6SJ
Received 26 Jun 2013
Decided - GrantedN6/2004/0747/FP
ERECTION OF PART TWO STOREY AND PART SINGLE STOREY REAR EXTENSION.
395 Howlands Welwyn Garden City AL7 4HW
Received 19 May 2004
Decided - Granted6/2016/1985/EM
Enlargement of existing driveway
8 Roundwood Drive, Welwyn Garden City, AL8 7JZ
Received 26 Sept 2016
Decided - Refused6/2018/3127/EM
Erection of part single, part first floor rear extension
4 Coneydale Welwyn Garden City AL8 7RY
Received 7 Dec 2018
Decided - GrantedN6/2014/0915/DS
Approval of details reserved by condition 3 (materials) of N6/2013/1462/FP
15 Beehive Green, Welwyn Garden City, AL7 4BE
Received 25 Apr 2014
Decided - Granted6/2025/1116/EM
Replacement of current sliding patio doors that lead to the back garden of the property with UVPC sliding patio door
4 Fallowfield Welwyn Garden City AL7 1EE
Received 10 Jun 2025
Decided - Granted6/2016/2713/PN8
Prior approval for the erection of a single storey rear extension measuring 6m depth, 3.7m high and 2.9m to the eaves
49 Feather Dell Hatfield AL10 8DE
Received 21 Dec 2016
Decided - Granted6/2020/1566/FULL
Change of use from A1 (newsagents) to A5 (Caribbean takeaway)
8 Harpsfield Broadway Hatfield AL10 9TF
Received 1 Jul 2020
Decided - GrantedW6/2015/0883/EM
Erection of garden shed
10 Guessens Road, Welwyn Garden City, AL8 6QR
Received 27 Apr 2015
Decided - GrantedW6/2014/0959/TE
Reduce oak tree by 30%
20 Autumn Grove, Welwyn Garden City, AL7 4DB
Received 8 May 2014
Decided - GrantedW6/2014/0871/EM
Replacement of existing chimney
156 Blythway, Welwyn Garden City, AL7 1DU
Received 14 Apr 2014
Decided - Granted6/2019/3084/EM
Fell 1 x Apple tree Fell 1 x Fir Tree
96 Pentley Park Welwyn Garden City AL8 7SG
Received 5 Dec 2019
Decided - GrantedS6/2008/0698/FP
ALTERATIONS TO ROOF TO INCORPORATE REAR DORMER AND FRONT WINDOW TO GABLE END
8 STATION CLOSE, BROOKMANS PARK, HERTFORDSHIRE, AL9 7SU
Received 10 Apr 2008
Decided - Granted6/2023/0230/COND
Submission of details pursuant to condition 19 (PART 1 - Land Contamination and PART 2 - Risk Assessment Report) on planning permission 6/2019/2431/MAJ
Link Drive Car Park Link Drive Hatfield AL10 8TY
Received 31 Jan 2023
Decided - Granted6/2023/0651/HOUSE
Erection of two storey side and front extension and single storey rear extension with a new front entrance porch
115 Tolmers Road Cuffley Potters Bar EN6 4JL
Received 23 Mar 2023
Decided - RefusedS6/2007/0823/FP
ERECTION OF A SINGLE STOREY SIDE AND TWO STOREY REAR EXTENSION AND ALTERATIONS TO REAR DORMER ROOF
43 Holloways Lane Welham Green Hatfield AL9 7NR
Received 30 May 2007
Decided - Granted6/2026/0630/EM
Proposed installation of solar panels to rear roof of property
56 Marley Road Welwyn Garden City AL7 4BS
Received 9 Apr 2026
Decided - Granted6/2022/0275/HOUSE
Replacement of new door to front wall and windows and door to side elevation.
2 Guessens Road Welwyn Garden City AL8 6QR
Received 7 Feb 2022
Under Consultation6/2026/1020/FULL
Erection of dwelling with carport
Tolmers Park Farm Newgate Street Hertford SG13 8RG
Received 10 Jun 2026

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