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

40,258Searchable applications

321Recorded as pending

86%Approval rate · 33,753 approved or refused records

4,813Refused applications

28,940 approved · 4,813 refused · 2,214 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

Decided6/2024/0580/TC
Silver birch to fell.
5 Palmerston Close Welwyn Garden City AL8 7DL
Received 21 Mar 2024
Decided - GrantedW6/2004/1151/EM
RETENTION OF REAR CONSERVATORY
125 The Commons, Welwyn Garden City, AL7 4RZ
Received 27 Jul 2004
Decided - Granted6/2016/1730/COND
Approval of details reserved by condition 3 (Materials), 4 (Cross-Sections), 5 (Landscape) and 6 (Trees) on planning application N6/2014/0318/FP
12 The Avenue, Welwyn, AL6 0PN
Received 19 Aug 2016
Decided - GrantedW6/2013/1064/TE
Crown reduce Oak tree by 30% and remove branches overhanging television antennae
176 Handside Lane, WELWYN GARDEN CITY, AL8 6SZ
Received 15 May 2013
Decided - Granted6/2019/2714/OUTLINE
Outline planning application for a hybrid application for demolition of existing hostel, development of a four storey 100 bed YMCA Hostel (All details submitted for determination) and up to 43 residential apartments (All details retained for future determination as reserved matters, except means of access) with associated car parking and landscaping.
YMCA 90 Peartree Lane Welwyn Garden City AL7 3UL
Received 28 Oct 2019
Decided - Refused6/2015/1537/EM
Formation of block paving hardstanding to front garden
21 Ingles, Welwyn Garden City, AL8 7HE
Received 17 Jul 2015
Decided - Granted6/2017/0136/COND
Approval of details reserved by condition 5 (External Lighting) on planning permission 6/2015/1957/MAJ
Former Argos Direct Distribution Depot 1 Bessemer Road Welwyn Garden City AL7 1HF
Received 25 Jan 2017
Decided - Granted6/2017/2803/PN8
Prior approval for the erection of a single storey rear extension measuring 4m. in depth, 2.858m. in height, 2.469 m. to the eaves
19 Timbercroft Welwyn Garden City AL7 1NS
Received 28 Nov 2017
Decided - Granted6/2022/2150/PN8
Prior approval for the erection of a single storey rear extension 6m in depth, 3m in height and 2.7m to the eaves
25 Birchwood Close Hatfield AL10 0PP
Received 15 Sept 2022
Decided - Granted6/2016/1149/TPO
Removal of 1 Monterey Cypress tree, 1 Leylandii tree and 1 Western Cedar tree and reduce 1 Lawson Cypress tree by 50% - Conservation Area
31 High Oaks Road, Welwyn Garden City, AL8 7BJ
Received 8 Jun 2016
Decided - GrantedN6/2004/0812/FP
ERECTION OF SINGLE STOREY REAR EXTENSION.
7 Shoplands Welwyn Garden City AL8 7RH
Received 1 Jun 2004
Decided - GrantedW6/2013/0104/EM
Erection of single storey side extension
42 High Oaks Road, WELWYN GARDEN CITY, AL8 7BS
Received 16 Jan 2013
Decided - Granted6/2017/2804/PN8
Prior approval for the erection of a single storey rear extension measuring 4m in depth, 2.95m in height and 2.8m to the eaves
52 Stockbreach Road Hatfield AL10 0BD
Received 29 Nov 2017
Decided - Granted6/2021/2011/HOUSE
Erection of garden room following partial demolition of existing conservatory
25 Georges Wood Road Brookmans Park AL9 7BY
Received 2 Jul 2021
Decided - GrantedS6/2004/0248/FP
ERECTION OF SINGLE STOREY REAR AND FRONT EXTENSION
28 Bluebridge Road Brookmans Park Hatfield AL9 7SA
Received 16 Feb 2004
Decided6/2017/2017/TPO
Fell 1x Conifer & grind out stump - Conservation Area
7 Marsden Close Welwyn Garden City AL8 6YE
Received 8 Sept 2017
Decided - RefusedN6/2008/1747/FP
ERECTION OF TWO STOREY REAR EXTENSION
3 Brickwall Cottages Great North Road Welwyn Garden City AL8 7SR
Received 9 Sept 2008
Decided - Granted6/2018/1519/MAJ
Erection of 30 residential units with associated vehicular access, associated ancillary and enabling works
Land north of Chequersfield Welwyn Garden City
Received 6 Jun 2018
Decided - Granted6/2017/1042/EM
Erection of wooden summerhouse at rear of garden
12 The Links Welwyn Garden City AL8 7DS
Received 15 May 2017
Decided - Granted6/2025/1496/EM
Front garden alterations comprising of new graded pathway and replacement openings
88 Pentley Park Welwyn Garden City AL8 7SG
Received 9 Jul 2025
Decided - Withdrawn6/2023/0438/HOUSE
Erection of a two storey side extension incorporating side dormers, and the enclosure of the front porch and rear terrace area, following the demolition of the existing garage
65 The Ridgeway Cuffley Potters Bar EN6 4BD
Received 24 Feb 2023
Decided - Granted6/2017/1682/HOUSE
Erection of first floor side and rear extension
14 Oaken Grove Welwyn Garden City AL7 4TP
Received 1 Aug 2017
Decided - Granted6/2023/1690/PN24
Installation of solar panels to roof
Ridgeway Academy Herns Lane Welwyn Garden City AL7 2AF
Received 11 Aug 2023
Decided6/2017/1445/TPO
1 x Rowan to fell & grind stump and 1 x Ailanthus to fell - Conservation Area
4 Parkfields Welwyn Garden City AL8 6ED
Received 3 Jul 2017

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