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

40,247Searchable applications

321Recorded as pending

86%Approval rate · 33,743 approved or refused records

4,812Refused applications

28,931 approved · 4,812 refused · 2,213 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2013/1549/TP
Crown thin Oak T6 covered by TPO 437 and Hornbeams T3, T4, T5, T7, T8, T9, T10, T12, T13 by 20%. Crown thin by 15% and remove damaged branch of Oak covered by TPO252
19 Scholars Mews, Welwyn Garden City, AL8 7JQ
Received 16 Jul 2013
Decided - Granted6/2016/1019/TPO
Dismantle Maple tree to ground level and grind stump - Dead & Dangerous
13 Brockswood Lane, Welwyn Garden City, AL8 7BA
Received 24 May 2016
Decided - Granted6/2024/0727/TPO
T1 Reduce 1 x Oak over hanging branches by 3m; crown lift to 6m above ground level within 7m of the dwelling’s front elevation (not porch) and 4m above ground level elsewhere. Under TPO 535 (2016)
3 Oak Piece Court Oak Piece Welwyn AL6 0XQ
Received 18 Apr 2024
Decided - Granted6/2020/3078/EMT
T1 cherry - fell as tree in decline. T2 Norway maple - fell.
6 Sherrardspark Road Welwyn Garden City AL8 7JP
Received 19 Nov 2020
Decided6/2026/1539/TC
1 x Red Oak to reduce to leave a standing stem of around 6m above ground level
The Doctors Tonic Church Road Welwyn Garden City AL8 6PR
Received 3 Sept 2026
Decided - Granted6/2018/1515/HOUSE
Installation of 1 x rear rooflight, 1 x front dome rigid pipe sun tunnels and 1 x side dome rigid pipe sun tunnels
8 Butterwick Way Welwyn AL6 9GH
Received 6 Jun 2018
Decided - GrantedN6/2007/1214/FP
ERECTION OF SINGLE AND TWO STOREY REAR & SIDE EXTENSION
57 WOODLAND RISE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LJ
Received 10 Aug 2007
Decided - Granted6/2017/0174/COND
Approval of details reserved by condition 1 (colour finish of external surfaces) 2 (soft landscape) & 3 (landscape) on planning permission 6/2016/2341/HOUSE
17 Carbone Hill Northaw Potters Bar EN6 4PJ
Received 31 Jan 2017
Decided - Granted6/2023/1156/EM
Conversion of garage and single-storey side/rear extension to create an integrated annexe
39 Digswell Park Road Welwyn Garden City AL8 7NW
Received 31 May 2023
Decided - Granted6/2018/0636/PN19
Prior approval for the erection of an agricultural building
Home Farm Carbone Hill Northaw Potters Bar
Received 6 Mar 2018
Decided - GrantedS6/2013/0270/FP
Erection of single storey rear extension
65 Bramble Road Hatfield AL10 9RZ
Received 8 Feb 2013
Decided - Refused6/2019/0261/LB
Erection of first floor side extension, alterations to bathroom and part demolition of stables
Upper Cromer Hyde Farm Cromer Hyde Lane Lemsford Welwyn Garden City AL8 7XE
Received 5 Feb 2019
Decided - Granted6/2020/1431/LAWP
Certificate of lawfulness for the erection of single storey rear extension, outbuilding in rear garden and porch with a hip to gable roof alterations to facilitate a dormer
1 Ellenbrook Crescent Hatfield AL10 9RP
Received 19 Jun 2020
Decided - Granted6/2017/0432/LB
Demolition of covered veranda and part of external wall (including removal of window and doors) and erection of single storey extension on south elevation
Digswell Water House Digswell Lane Welwyn AL6 0BY
Received 6 Mar 2017
Decided - WithdrawnN6/2008/1408/DT
REMOVAL OF PUBLIC CALL BOXES
JUNCTION OF MONKSWOOD & UPLANDS, WELWYN GARDEN CITY, HERTS, AL8 7EH
Received 6 Aug 2008
Decided - RefusedW6/2014/1416/EM
Erection of first floor rear extension, installation of rooflight, two new windows within the side elevation and formation of new driveway
13 Brockswood Lane, Welwyn Garden City, AL8 7BA
Received 24 Jun 2014
Decided - RefusedS6/2004/1093/FP
ERECTION OF FIRST FLOOR EXTENSION AND ROOF EXTENSION.
20 Green Lanes Hatfield AL10 9JT
Received 15 Jul 2004
Decided - Granted6/2015/2534/COND
Approval of details reserved by condition 3 (landscape plan), condition 4 (landscape and ecological management plan), condition 5 (materials) and condition 6 (lighting) on planning permission S6/2015/0185/FP
Osborne House Farm, Hawkshead Road, Little Heath, Potters Bar, EN6 1LX
Received 24 Dec 2015
Decided - Granted6/2017/2491/EIA
Request for a scoping opinion at the Former Shredded Wheat Factory, Bridge Road, WGC.
Former Shredded Wheat Factory Bridge Road Welwyn Garden City AL8 6UN
Received 26 Oct 2017
Decided - GrantedN6/2004/0127/FP
ERECTION OF HAY BARN
Lodge Farm Harmer Green Lane Digswell Welwyn AL6 0ET
Received 26 Jan 2004
Decided - Granted6/2022/0971/HOUSE
Erection of two storey extension to the front on the eastern flank, incorporating study on the ground floor and dressing room on the first floor, and two storey extension to the front on the western flank, incorporating double garage on the ground floor and bedroom extension on the first floor
31 Mardley Avenue Welwyn Hertfordshire AL6 0TU
Received 25 Apr 2022
DecidedN6/2009/2289/TE
REDUCE HEIGHT OF THREE POPLAR TREES. TWO CURRENTLY STAND AT 75 TO 80 FEET AND NEED REDUCING BY 25 TO 30 FEET AND THE THIRD TREE BY 5 TO 10 FEET.
16 WHITEHORN, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 3EX
Received 22 Oct 2009
Decided - Granted6/2025/0384/EMT
4 x Limes to re-pollard back to previous pruning points. Reduce overgrown stems back into the natural framework of the trees
2 Palmerston Close Welwyn Garden City AL8 7DL
Received 27 Feb 2025
Decided - Granted6/2023/1045/PN3
Prior approval for the erection of an agricultural building measuring 18.3m in length, 9.15m in width, 4.02m to the eaves and 5.06m to the ridge
Land rear of 18 Ayot Green Ayot St Peter Welwyn AL6 9AB
Received 17 May 2023

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

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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