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

40,297Searchable applications

283Recorded as pending

86%Approval rate · 33,821 approved or refused records

4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 8 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2006/0572/FP
ERECTION OF A SINGLE STOREY REAR EXTENSION AND FRONT EXTENSION
67 Harmer Green Lane Digswell Welwyn AL6 0EH
Received 2 May 2006
Decided - Granted6/2020/3020/EMT
Removal of two cherry trees and replacement with alternative specimens
3 The Quadrangle Welwyn Garden City AL8 6SG
Received 16 Nov 2020
Decided - Granted6/2022/1577/EM
Replacement of existing gravel shared driveway with block paving
18 Walden Road Welwyn Garden City AL8 7PF
Received 5 Jul 2022
Decided6/2019/1887/TC
Reduce 2x Oak trees crown by 70% (T4 and T5)
10 Woodland Rise Welwyn Garden City AL8 7LF
Received 1 Aug 2019
Under Consideration6/2022/2735/COND
Submission of details pursuant to conditions number 1 (materials) and 2 (boiler-method statement), on application ref: 6/2022/1432/LB
12 Cromer Hyde Lane Lemsford Welwyn Garden City AL8 7XE
Received 2 Dec 2022
Appeal Decided - Allowed6/2018/2820/FULL
Change of use of amenity land to residential driveway parking for two cars, with new dropped kerb to highway
113 Wheatley Road Welwyn Garden City AL7 3LD
Received 1 Nov 2018
Decided - Withdrawn6/2019/3094/EM
Installation of satellite dish
6 Colgrove Welwyn Garden City AL8 6HU
Received 6 Dec 2019
Decided - GrantedN6/2013/2211/DS
Discharge of condition 3 (removal of Juliet Balcony) of planning permission N6/2013/1739/FP
10 Foxley Grove Digswell Welwyn AL6 0DW
Received 21 Oct 2013
Decided - GrantedS6/2015/0473/LUP
Application for a lawful development certificate for a proposed single storey side extension
21 Great North Road Brookmans Park Hatfield AL9 6LB
Received 4 Mar 2015
Decided6/2019/2332/TC
Fell 4 x Fir Trees
27 Woodland Rise Welwyn Garden City AL8 7LJ
Received 23 Sept 2019
Decided - Granted6/2024/2254/HOUSE
Erection of granny annexe following demolition of existing outbuilding
36 Pooleys Lane Welham Green Hatfield AL9 7LF
Received 25 Nov 2024
Decided - Granted6/2015/2516/HOUSE
Erection of single storey front extension, first floor rear/side extensions and part garage conversion
6 St Johns Close Welwyn AL6 9RB
Received 22 Dec 2015
Decided - GrantedN6/2009/1850/DS
DISCHARGE OF CONDITION 4 (OBSURE GLASS) FROM PLANNING PERMISSION N6/2008/0252/FP
26 Great North Road Welwyn Garden City AL8 7TH
Received 27 Aug 2009
Decided - Granted6/2021/2676/TPO
Reduce 1 x Oak tree (T1) by 3-4m and remove deadwood covered by TPO
8A Rosecroft Lane Welwyn AL6 0UB
Received 15 Sept 2021
Decided - Granted6/2022/0004/HOUSE
Erection of a single storey side infill extension and a single storey rear extension, with creation of raised patio area and alterations to openings
19 Brockswood Lane Welwyn Garden City AL8 7BE
Received 4 Jan 2022
Decided - Granted6/2021/2832/HOUSE
Erection of a two storey rear extension, a single storey side/rear extension, a porch to front elevation, conversion of loft to habitable use, installation of 1 x roof lights, 2 x windows to the front and rear gable and insertion of first floor side windows.
2 Fearnley Road Welwyn Garden City AL8 6HW
Received 1 Oct 2021
Decided - Granted6/2024/0059/EM
Alteration of existing kitchen wall and door following removal of existing kitchen door facing enclosed rear garden
20 Kirklands Welwyn Garden City AL8 7RD
Received 9 Jan 2024
Decided - Refused6/2021/2261/HOUSE
Erection of a new roof with windows to facilitate conversion of loft into habitable space
6 Holloways Lane Welham Green Hatfield AL9 7NP
Received 28 Jul 2021
Decided - Refused6/2022/0335/HOUSE
Installation of rooflights and increase in roof height with amendments to the design of existing roof.
11 Turpins Chase Welwyn AL6 0QZ
Received 14 Feb 2022
Decided - Granted6/2021/0948/EMT
1 x Deodar Cedar - fell
24 Little Ganett Welwyn Garden City AL7 3DG
Received 23 Mar 2021
Decided - Granted6/2015/2166/EM
Installation of obscured-glass double-glazed window in uPVC frame to replace existing half-glazed front elevation door.
55 Woodland Rise, Welwyn Garden City, AL8 7LJ
Received 19 Oct 2015
Decided - Granted6/2019/0094/LAWP
Certificate of lawfulness for conversion of retail storage space at first floor to 2x dwellings
41-43 Town Centre, Hatfield, AL10 0JJ
Received 18 Jan 2019
Decided - Granted6/2015/2302/TPO
Reduce lower branches of Oak tree by approx 20% to lift crown and balance growth - Conservation Area.
51 Valley Road, Welwyn Garden City, AL8 7DH
Received 11 Nov 2015
Decided - Granted6/2017/1571/EM
Fell 1 x beech tree
2 Hawthorns Welwyn Garden City AL8 7SE
Received 18 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