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28,970 approved · 4,816 refused · 2,217 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2007/0366/FP
ERECTION OF REAR CONSERVATORY
13 Daisy Drive Hatfield AL10 9FR
Received 6 Mar 2007
Decided - Granted6/2016/0796/HOUSE
Erection of greenhouse following demolition of existing greenhouse
The Limes, 51 High Road, Essendon, Hatfield, AL9 6HS
Received 21 Apr 2016
Decided - Granted6/2019/2107/COND
Submission of details pursuant to condition 2 (Construction Method Statement) on planning permission 6/2019/1083/FULL
Welwyn Commons The Commons Welwyn Garden City AL7 4ER
Received 23 Aug 2019
Decided - Refused6/2020/0170/EM
Erection of a single storey, part two storey rear extension and alterations to openings
105 Ludwick Way Welwyn Garden City AL7 3PL
Received 22 Jan 2020
Decided - GrantedW6/2013/2333/EM
Erection of single storey rear extension, conversion of garage and insertion of new roof lights
47 Fordwich Road, Welwyn Garden City, AL8 6EY
Received 1 Nov 2013
Appeal Decided - DismissedW6/2007/1928/EM
ERECTION OF FIRST FLOOR REAR EXTENSION
12 The Links, Welwyn Garden City, AL8 7DS
Received 14 Dec 2007
Decided - Granted6/2018/2374/EM
Fell 1x Magnolia tree
50 Sherrardspark Road Welwyn Garden City AL8 7LB
Received 17 Sept 2018
Decided - GrantedS6/2004/0832/FP
ERECTION OF SINGLE STOREY FRONT EXTENSION
22 Acorn Lane Cuffley Potters Bar EN6 4JQ
Received 4 Jun 2004
Decided - GrantedW6/2009/2174/EM
Enclose existing porch
10 WALDEN ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7PF
Received 6 Oct 2009
Decided - Granted6/2018/2085/FULL
Erection of 8 x 4 bedroom dwellings with associated parking, bin/storage and retention of existing vehicular access following demolition of existing public house
The East Great North Road Welwyn Garden City AL8 7TB
Received 9 Aug 2018
Decided - Granted6/2019/0351/EM
Erection of part single, part two storey side extension to facilitate sub- division of single dwelling into two dwellings following demolition of existing shed, decking and storage area
2 Sandpit Road Welwyn Garden City AL7 3TN
Received 14 Feb 2019
Decided - Granted6/2023/0293/LAWP
Certificate of lawfulness for a loft conversion including a hip to gable roof, rear dormer and rooflights, along with fenestration alterations
3 Park Road Northaw EN6 4NU
Received 7 Feb 2023
Decided - GrantedS6/2004/0262/FP
ERECTION OF TWO STOREY SIDE EXTENSION
15 Cranfield Crescent Cuffley Potters Bar EN6 4DY
Received 16 Feb 2004
Decided - Granted6/2020/0403/HOUSE
Erection of a single storey rear extension
34 Bradmore Way Brookmans Park Hatfield AL9 7QX
Received 13 Feb 2020
Decided - GrantedS6/2004/1288/FP
RETROSPECTIVE APPLICATION FOR SINGLE STOREY REAR EXTENSION
40 Heathcote Avenue Hatfield AL10 0RH
Received 24 Aug 2004
Decided - Granted6/2024/1294/EMT
Fell 1 x oak tree
347 Knightsfield Welwyn Garden City AL8 7NB
Received 8 Jul 2024
Decided - Withdrawn6/2016/2104/LAWP
Certificate of lawfulness for a roof conversion with rear dormer
23 Peregrine Way Hatfield AL10 9UP
Received 6 Oct 2016
Decided - Refused6/2020/3338/LAWE
Certificate of lawfulness for the existing window changed to bifold door in existing window opening.
58 Moffats Lane Hatfield AL9 7RU
Received 14 Dec 2020
Decided - Granted6/2018/1021/EM
Fell 7 x Conifer trees & 1 x Elder tree in rear garden
1 Rosedale Welwyn Garden City AL7 1DW
Received 18 Apr 2018
Decided - GrantedN6/2015/0217/FP
Erection of part single part two storey side extension including replacement of garage doors
19 Valley Road, Welwyn Garden City, AL8 7DH
Received 2 Feb 2015
Decided - Granted6/2020/2505/HOUSE
Erection of single storey front extension to existing garage and raising of garage roof, side extension with porch canopy including insertion of roof light
7 Falcon Close Hatfield AL10 8QY
Received 30 Sept 2020
Decided - Withdrawn6/2018/2003/HOUSE
Installation of front window and side roof lights, replacement of rear window with french doors enlargement of canopy over front porch and front window to drop sill height
17 Pentley Park Welwyn Garden City AL8 7RT
Received 31 Jul 2018
Decided - GrantedN6/2014/2373/FP
Installation of new shop front
32 Howardsgate, Welwyn Garden City, AL8 6BJ
Received 8 Oct 2014
Decided - Granted6/2016/0144/FULL
Erection of replacement dwellinghouse, detached garage and associated parking following the demolition of existing dwelling, garage, annexe and ancillary buildings
Primrose Cottage, Kentish Lane, Brookmans Park, Hatfield, AL9 6EE
Received 26 Jan 2016

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