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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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

Decided6/2026/0437/TC
T1 Ash - Fell to ground level.
3 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 10 Mar 2026
Decided - Granted6/2022/0029/EMT
Small, dead tree of unknown species within back garden. Intention to reduce tree to approximately 900mm above ground level
11 Handside Lane Welwyn Garden City AL8 6SE
Received 5 Jan 2022
Decided - GrantedW6/2007/1051/EM
REPLACEMENT OF EXISTING SKYLIGHT WITH TWO INSULATED VELUX WINDOWS
1 Elmwood, Welwyn Garden City, AL8 6LD
Received 16 Jul 2007
Decided - GrantedW6/2007/0862/EM
FORMATION OF VEHICLE HARDSTANDING
29 Poundwell, Welwyn Garden City, AL7 3NP
Received 13 Jun 2007
Decided - Granted6/2020/2991/HOUSE
Erection of a single storey rear extension
27 Wilshere Road Welwyn AL6 9PU
Received 13 Nov 2020
Decided - GrantedW6/2004/1130/EM
RETENTION OF WOODEN DECKING AND FENCING
27 Cowper Road, Welwyn Garden City, AL7 3LT
Received 23 Jul 2004
Decided - Granted6/2024/0325/TPO
T1 & T2 Oak trees - pollard by 30%. T3 Silver birch fell to ground level. TPO area 24 A3
9 Scarff Close Welwyn AL6 0SZ
Received 19 Feb 2024
Decided6/2019/1248/TC
Reduce 1 x Oak tree crown by 3-4 metres Reduce 1 x Apple tree crown by 2 metres
9 Brockett Close Welwyn Garden City AL8 7BN
Received 23 May 2019
Decided - Refused6/2021/1695/HOUSE
Erection of a first floor/two storey side and single storey/two storey rear extensions
1 Guessens Road Welwyn Garden City AL8 6QW
Received 27 May 2021
Decided - Granted6/2015/1584/HOUSE
Erection of an open sided garden building
18 Chelveston Welwyn Garden City AL7 2PW
Received 28 Jul 2015
Decided - Granted6/2026/0336/LAWE
Certificate of lawfulness for the existing use of the application site for general industrial use, falling under use class B2
13 Wellfield Road Hatfield AL10 0BS
Received 23 Feb 2026
Decided - Granted6/2024/2405/HOUSE
Erection of a two storey rear extension and ground floor rear-side wrap around extension
125 Dawley Welwyn Garden City AL7 1EB
Received 19 Dec 2024
Decided - GrantedS6/2008/2294/FP
NEW SHOP FRONT AND INSTALLATION OF NEW SHUTTER
8 PARKHOUSE COURT, HATFIELD, HERTFORDSHIRE, AL10 9RQ
Received 24 Nov 2008
Decided - Granted6/2017/0792/FULL
Installation of rear dormer to facilitate conversion of loft to habitable space, for office use (Class A2)
58 Bridge Road East Welwyn Garden City AL7 1JU
Received 19 Apr 2017
Decided - Refused6/2017/2500/HOUSE
Erection of a two storey side extension
2 Maple Grove Welwyn Garden City AL7 1NH
Received 30 Oct 2017
Decided - Granted6/2020/3372/HOUSE
Erection of a single storey rear extension and internal kitchen alterations
43 Digswell Park Road Welwyn Garden City AL8 7NW
Received 17 Dec 2020
Decided - GrantedN6/2007/0406/FP
SINGLE STOREY REAR EXTENSION.
3 Mornington Digswell Welwyn AL6 0AJ
Received 12 Mar 2007
Decided - RefusedN6/2008/0726/FP
ALTERATIONS TO ROOF INCLUDING 2 DORMER WINDOWS TO FRONT ELEVATION AND REAR DORMER. ERECTION OF REAR CONSERVATORY TO REPLACE EXISTING CONSERVATORY
3 Briary Wood Lane Welwyn AL6 0TE
Received 5 Apr 2008
Decided - Refused6/2021/2447/HOUSE
Erection of a single storey rear extension to include insertion of 1 x roof lantern
27 Furzefield Road Welwyn Garden City AL7 3RL
Received 23 Aug 2021
Decided - GrantedN6/2007/0798/FP
ALTERATIONS AND LANDSCAPING TO FRONT GARDEN
59 Forresters Drive Welwyn Garden City AL7 2JA
Received 24 May 2007
Decided - Granted6/2022/1950/HOUSE
Changes to fenestration including insertion of a windows to side elevations and a rooflight to rear slope of the roof
9 Butterwick Way Welwyn AL6 9GH
Received 22 Aug 2022
Decided - GrantedW6/2015/0618/TE
Removal of Cherry tree stump
50 Church Road, Welwyn Garden City, AL8 6QJ
Received 18 Mar 2015
Decided - Refused6/2020/2806/HOUSE
Single storey rear extension
26 Peplins Way Hatfield AL9 7UU
Received 26 Oct 2020
Decided - GrantedN6/2013/2650/TC
Reduce Prunus tree by 10%
Religious Society of Friends, 109 Handside Lane, Welwyn Garden City, AL8 6SP
Received 6 Dec 2013

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