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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

Decided - Granted6/2023/2330/HOUSE
Erection of a single-storey side extension, a single-storey rear extension, two raised patio areas with steps, removal of the existing roof to allow for an upward extension across the whole dwelling to create a first floor which is to include three gable elements to the front, a hipped roof form and the insertion of rooflights to facilitate the use of the roof space, along with the addition of a chimney, change of external material to stone and various fenestration and external alterations, following the demolition of the existing conservatory and garages
Manor Cottage Vineyards Road Northaw Potters Bar EN6 4PQ
Received 20 Nov 2023
Under Consideration6/2025/2059/HOUSE
Erection of a single-storey side and rear extension with a rear annex building (retrospective)
96 Roe Green Lane Hatfield AL10 0SJ
Received 26 Sept 2025
Decided - Granted6/2019/1049/EM
Installation of paving replacing existing hardstanding and drainage channel.
334 Howlands Welwyn Garden City AL7 4HD
Received 30 Apr 2019
Decided - WithdrawnW6/2014/2738/EM
Erection of two storey side extension
10 Thumbswood, Welwyn Garden City, AL7 4QE
Received 19 Dec 2014
Decided - Granted6/2017/0347/LAWP
Certificate of lawfulness for the re-tiling of existing roof, new door opening to kitchen, garage conversion and replacement of garage door for window, insertion of patio doors, replacement of windows and front door, part render of existing dwelling, erection of front boundary wall and replacement driveway for permeable block paving.
4 Firway Welwyn AL6 0RD
Received 23 Feb 2017
Decided - GrantedN6/2014/1169/FP
Erection of 4 bed dwelling
30 New Road Digswell Welwyn AL6 0AH
Received 23 May 2014
Decided - GrantedW6/2013/2086/EM
Erection of single storey rear extension following demolition of existing patio area
29 Archers Ride, Welwyn Garden City, AL7 4PR
Received 1 Oct 2013
Decided - Granted6/2016/1014/TPO
Reduce 4 Hornbeam tree crowns by 20%, reduce 1 Oak crown by upto 20% for more balanced crown and 1 Oak tree remove deadwood and reduce back to to healthy crown, crown reduce beech tree by 30% and removal of 1 Oak tree
52 Sherrardspark Road, Welwyn Garden City, AL8 7LB
Received 5 May 2016
Decided - Granted6/2023/0945/VAR
Removal of condition 3 (sale of goods restriction) on planning permission S6/2011/2295/S73B to allow the retail sale of ‘food’
Unit 1 (former Next) Oldings Corner Retail Park Comet Way Hatfield AL9 5JJ
Received 3 May 2023
Decided6/2022/2905/HEDGE
Temporary hedgerow removal is required to facilitate the installation of a potable water trunk main to continue supply of potable water to the local area.
Digswell Pumping Station Bessemer Road Welwyn Garden City AL8 7LU
Received 23 Dec 2022
Decided - Refused6/2021/0361/FULL
Erection of a one and half storey community centre with ancillary prayer space following the demolition of the existing structure
58 St Albans Road East Hatfield AL10 0EH
Received 5 Feb 2021
Decided - Granted6/2023/1116/EM
Installation of solar panels
137 Oakdale Welwyn Garden City AL8 7QS
Received 25 May 2023
Decided - GrantedN6/2007/1191/FP
PROPOSED SINGLE STOREY GARDEN STRUCTURE
7 DELLCOTT CLOSE, WELWYN GARDEN CITY, HERTS, AL8 7BB
Received 7 Aug 2007
Decided - Granted6/2021/2726/TPO
T1 - Scots Pine - Crown reduce by up to 1.5m and remove deadwood.
6 Canonsfield Road Welwyn AL6 0QH
Received 21 Sept 2021
Decided - GrantedN6/2004/1464/FP
ERECTION OF A FIRST FLOOR SIDE EXTENSION AND SINGLE STOREY REAR EXTENSION
13 Beehive Lane Welwyn Garden City AL7 4BB
Received 4 Oct 2004
Decided - Granted6/2017/0443/TPO
Conifer at front of property grind main root ball of stump to 150mm below ground level, Magnolia reduce above crown by approximately 20%, cutting back to a side branch and leaving a flowing branch line without stumps, shape and thin and fell Beech below hedge level - Conservation Area
67 Handside Lane Welwyn Garden City AL8 6SH
Received 7 Mar 2017
Decided - GrantedW6/2013/1660/TE
Fell One Leylandii conifer to ground level and reduce One Beech hedge by 50%
69 Great Dell, Welwyn Garden City, AL8 7HP
Received 22 Jul 2013
Decided - Granted6/2018/1367/LAWP
Certificate of lawfulness for a hip to gable loft conversion with rear dormer window and two rooflights
397 St Albans Road West Hatfield AL10 9RU
Received 22 May 2018
Decided - Granted6/2020/1361/TPO
Reduce 1 x Oak back to previous pruning points - covered by TPO number 857 (2018) T1
6 Newgate Street Village Hertford SG13 8RA
Received 15 Jun 2020
Decided - GrantedN6/2009/2733/LB
ERECTION OF TWO STOREY EXTENSION WITH GLASS LINK, CONVERSION OF EXISTING KITCHEN AND BATHROOM TO KITCHEN/DINER, INSTALLATION OF RADIATORS AND ALTERATIONS TO UTILITY ROOM
5 Pennyfathers Lane Welwyn AL6 0EN
Received 23 Dec 2009
Decided - Granted6/2023/1820/LAWP
Certificate of lawfulness for the erection of an outbuilding to facilitate a gymnasium
Woodhurst Cattlegate Road Northaw Potters Bar EN2 8AU
Received 31 Aug 2023
Decided - Withdrawn6/2021/0223/EM
Erection of a side facing porch and a single storey side and rear extension. First floor side extension over existing single storey element, insertion of 3 x front facing dormer windows and 3 x rear facing dormer windows and alterations to openings.
51 Peartree Lane Welwyn Garden City AL7 3UA
Received 25 Jan 2021
Decided - Granted6/2019/2614/HOUSE
Erection of single storey front extension
12 Hill Ley Hatfield AL10 8LX
Received 17 Oct 2019
Decided - GrantedW6/2004/0418/EM
ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSION
74 Handside Lane, Welwyn Garden City, AL8 6SJ
Received 18 Mar 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

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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