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

39,824Searchable applications

298Recorded as pending

86%Approval rate · 33,388 approved or refused records

4,775Refused applications

28,613 approved · 4,775 refused · 2,182 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 28 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2018/3264/COND
Submission of details pursuant to condition 2 (material samples for boundary treatment) on planning application 6/2015/1783/HOUSE
108 Cherry Way Hatfield AL10 8LD
Received 27 Dec 2018
Decided - Granted6/2021/0006/LAWP
Certificate of lawfulness for the erection of single storey side and rear extensions following removal of attached garage and first floor rear extension
22 Reynards Road Welwyn AL6 9TP
Received 4 Jan 2021
Decided - WithdrawnS6/2013/1833/FP
Erection of timber and double glazed side conservatory
Walled Garden House, Cucumber Lane, Essendon, Hatfield, AL9 6GL
Received 27 Aug 2013
Decided - GrantedW6/2015/1485/EM
Erection of detached timber framed single garage and garden shed in rear garden
8 Densley Close Welwyn Garden City AL8 7JX
Received 10 Jul 2015
Decided - Granted6/2019/0451/EM
Erection of single storey rear extension and alteration to front elevation following demolition of existing rear conservatory
60 Mount Way Welwyn Garden City AL7 4LB
Received 27 Feb 2019
Decided - Granted6/2017/2065/TPO
Crown reduce Oak tree by 2-3m and laterally by 2-3m plus thin crown by 10-15% and cut back from building by 2m covered by TPO 641 (2017)
7 Hillside Way Welwyn AL6 0TY
Received 14 Sept 2017
Decided - GrantedW6/2013/1235/EM
Erection of single storey and two storey rear extensions
170 Handside Lane, Welwyn Garden City, AL8 6SZ
Received 13 Jun 2013
Decided - Granted6/2024/2419/HOUSE
Erection of a single storey rear infill/side extension
1 Cedar Road Hatfield AL10 8NZ
Received 23 Dec 2024
Decided - Granted6/2026/0439/HOUSE
Installation of ground floor timber casement window in connection with conversion of existing ground floor boiler room into a WC and utility room.
Hornbeam House Ayot St Peter Road Ayot St Peter Welwyn AL6 9BG
Received 10 Mar 2026
Decided - Granted6/2017/2552/HOUSE
Erection of front & rear ground floor extension following demolition of conservatory
39 Cranfield Crescent Cuffley Potters Bar EN6 4DY
Received 6 Nov 2017
Decided - Granted6/2022/0239/HOUSE
Conversion of garage into habitable space
12 Chalgrove Welwyn Garden City Hertfordshire AL7 2QJ
Received 2 Feb 2022
Decided - Granted6/2017/0679/EM
Removal of Cherry tree and Conifer hedge plus 30% crown reduction of 3 Conifer trees
2 Guessens Road Welwyn Garden City AL8 6QR
Received 4 Apr 2017
Decided - Granted6/2015/2170/HOUSE
Two storey rear extension to enlarge bedroom (Amendment to S6/2013/2277/FP 'Erection of single storey and two storey rear extensions and single storey front extension')
147 Bishops Rise Hatfield AL10 9ER
Received 19 Oct 2015
Decided - Granted6/2019/1451/EM
Erection of a single storey side and rear extension
26 Furzefield Road Welwyn Garden City AL7 3RJ
Received 13 Jun 2019
Decided - Withdrawn6/2020/0755/LAWE
Certificate of lawfulness for a swimming pool structure and surrounding decking
120 Moffats Lane Hatfield AL9 7RW
Received 19 Mar 2020
Decided - Granted6/2024/1223/EM
Remove part of hedgerow at front of house. The hedgerow that divides the front garden and the owned hard standing
191 Heronswood Road Welwyn Garden City AL7 3JH
Received 28 Jun 2024
Decided - Granted6/2021/3168/COND
Submission of details pursuant to conditions 3 (Environmental Noise Assessment report), 4 (Hard and soft landscaping plan), 5 (External Lighting scheme) and 6 (Details and literature samples of materials) on planning permission 6/2021/0559/VAR
63 New Road Digswell Welwyn AL6 0AL
Received 4 Nov 2021
Decided - Granted6/2024/2040/HOUSE
Erection of a single storey side and rear extension with insertion of rooflights, solar panels to south facing roof of existing house and new white garage door and side gate
97 Pentley Park Welwyn Garden City AL8 7SL
Received 23 Oct 2024
Decided - GrantedN6/2004/1621/TP
WORK TO TREES (10 HORNBEAMS) G3 COVERED BY TPO 89
14 Bluebells Welwyn AL6 0XD
Received 2 Nov 2004
Decided - Granted6/2026/0741/EMT
Conifer - fell 6 trees on border of property due to excessive height, shading to garden, and stunting growth of other vegetation in the garden. To be replaced with alternative hedging that is easy to manage
24 Moorlands Welwyn Garden City AL7 4PP
Received 27 Apr 2026
Decided - Granted6/2021/2416/HOUSE
Erection of a single storey rear extension to include 1 x roof lantern
36 Walnut Grove Welwyn Garden City AL7 4EU
Received 17 Aug 2021
Decided - Granted6/2018/2584/EM
Reduce crown of 1 x Ash tree by 20%
23 Rosedale Welwyn Garden City AL7 1DW
Received 8 Oct 2018
Decided - GrantedS6/2014/1109/FP
Erection of single storey rear extension
19 Northaw Road West, Northaw, Potters Bar, EN6 4NP
Received 19 May 2014
Decided - Refused6/2026/0298/EM
Flat roof to pitched roof with rooflights, to existing rear extension roof
183 Peartree Lane Welwyn Garden City AL7 3XL
Received 19 Feb 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