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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 10 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedW6/2013/1355/EM
Erection of single storey rear extension
56 Boundary Lane, Welwyn Garden City, AL7 4DP
Received 27 Jun 2013
Decided6/2019/1017/TC
Fell 1 x Sycamore tree
10 Attimore Road Welwyn Garden City AL8 6LW
Received 26 Apr 2019
Decided - RefusedN6/2013/2540/LUP
Certificate of Lawfulness for proposed single storey rear extension
51 Great North Road Welwyn Garden City AL8 7TJ
Received 27 Nov 2013
Decided - Granted6/2020/3409/FULL
New floor of accommodation providing 4 new flats.
Sienna House 8 Brownfields Court Welwyn Garden City AL7 1AJ
Received 21 Dec 2020
Decided - Granted6/2023/2536/EMT
T1 Magnolia Front of property pollard back to previous pollard points G1 Group of small Cherry's Front of property reduce tops down to the same height as the front Privet hedge
128 Haldens Welwyn Garden City AL7 1DG
Received 20 Dec 2023
Decided - RefusedW6/2004/1540/EM
ERECTION OF FIRST FLOOR SIDE EXTENSION
76 Longcroft Lane, Welwyn Garden City, AL8 6EF
Received 13 Oct 2004
Decided - Granted6/2019/3047/LAWP
Certificate of lawfulness for the single storey rear extension
22 Becket Gardens Welwyn AL6 9JE
Received 3 Dec 2019
Decided - Granted6/2024/1539/LAWP
Certificate of lawfulness to reinstate the parquet floor finish in a single type of hardwood timber flooring.
Maran Cottage 56A Hertford Road Digswell Welwyn AL6 0BX
Received 13 Aug 2024
Decided - WithdrawnS6/2013/2118/FP
No more than 14 pitches comprised of between 9 and 11 static pitches and between 1 and 5 transit pitches together with associated touring caravans, utility blocks, play area, parking and alterations to existing layout
Smallholdings Foxes Lane Hatfield AL9 7JA
Received 20 Sept 2013
Decided - Granted6/2018/0001/EM
Erection of a single storey flat roof extension.
4 Peartree Court Welwyn Garden City AL7 3XN
Received 2 Jan 2018
Decided - GrantedN6/2009/1827/FP
REPLACEMENT OF EXISTING GARAGE DOOR WITH BAY WINDOW AND ERECTION OF PORCH
1A New Road Digswell Welwyn AL6 0AE
Received 7 Sept 2009
Decided - Granted6/2016/1668/COND
Approval of details reserved by condition 1 (drawings), condition 2 (materials), condition 3 (biodiversity), condition 4 (tree works) and condition 5 (soak-aways) on planning permission N6/2015/0958/FP
Oak Cottage, Ayot St Peter Road, Ayot St Peter, Welwyn, AL6 9BG
Received 15 Aug 2016
Decided - RefusedS6/2004/1612/FP
ERECTION OF SINGLE STOREY AND TWO STOREY REAR EXTENSION AND DETACHED GARAGE
63 Bramble Road Hatfield AL10 9RZ
Received 1 Nov 2004
DecidedN6/2009/2409/DS
COMPLIANCE OF S106
10 ELSON MEWS, WELWYN GARDEN CITY, HERTS, AL7 1FP
Received 2 Nov 2009
Decided - GrantedS6/2008/0742/DS
DISCHARGE OF CONDITION 2 (BRICK SAMPLE) OF PLANNING PERMISSION S6/2006/1562/FP
QUEENSWOOD SCHOOL, SHEPHERDS WAY, BROOKMANS PARK, HATFIELD, HERTFORDSHIRE, AL9 6NS
Received 8 May 2008
Decided - Granted6/2019/1536/HOUSE
Erection of a single storey, part two storey side extension to include replacement garage, following demolition of existing attached garage
32 Appletree Way, Welwyn Garden City, AL7 2FE
Received 24 Jun 2019
Decided - Granted6/2021/1030/HOUSE
Retrospective application for loft conversion
120 Brookside Crescent Cuffley Potters Bar EN6 4QL
Received 29 Mar 2021
Decided - GrantedW6/2004/1069/EM
ERECTION OF PART SINGLE STOREY AND PART TWO STOREY REAR EXTENSION.
12 Handside Close, Welwyn Garden City, AL8 6SR
Received 12 Jul 2004
Decided - Granted6/2024/1267/PN14
Prior approval for demolition of buildings
Chequers Mead Farm Coopers Lane Road Northaw EN6 4AD
Received 5 Jul 2024
Decided - Granted6/2019/0555/EM
Erection of single storey front extension following demolition of front porch
240 Howlands Welwyn Garden City AL7 4HF
Received 11 Mar 2019
Decided - Refused6/2019/2505/LAWP
Certificate of lawfulness for the erection of outbuilding and outdoor swimming pool
Hilltop Cucumber Lane Essendon Hatfield AL9 6JA
Received 8 Oct 2019
Decided - Granted6/2026/0600/EM
Installation of additional window
7 Moorend Welwyn Garden City AL7 4QL
Received 7 Apr 2026
Decided - Granted6/2017/0326/EM
Erection of single storey rear extension and installation of 2 rooflights.
47 Handside Lane Welwyn Garden City AL8 6SH
Received 17 Feb 2017
Decided - Granted6/2022/1877/EMT
Remove and replace conifer from front garden. The tree last had new growth 2 years ago, it's size is 3m high by 2m wide with a 20cm girth.
15A Guessens Road Welwyn Garden City AL8 6QL
Received 11 Aug 2022

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