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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 9 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedW6/2007/1428/EM
PROPOSED LOFT CONVERSION WITH 2 REAR ROOFLIGHTS
8 Sherrardspark Road, Welwyn Garden City, AL8 7JP
Received 26 Sept 2007
Decided - Granted6/2020/1570/EM
Erection of shed on concrete base
3 Rosedale Welwyn Garden City AL7 1DW
Received 1 Jul 2020
Decided - Granted6/2022/2439/EM
Erection of garden office
47 Fordwich Road, Welwyn Garden City, AL8 6EY
Received 21 Oct 2022
Decided - RefusedN6/2004/0591/FP
ERECTION OF FIRST FLOOR SIDE EXTENSION AND REAR CONSERVATORY
6 Roundwood Drive Welwyn Garden City AL8 7JZ
Received 16 Apr 2004
Under Consideration6/2026/1611/COND
Submission of details pursuant of conditions 5 (noise), 6 (EV charging points), 7 (cycle storage), 10 (travel plan statement on planning permission 6/2026/0025/VAR
The North Star 82 Great North Road Welwyn AL6 0TA
Received 16 Sept 2026
Decided - GrantedS6/2005/1593/LU
CERTIFICATE OF LAWFULNESS FOR PROPOSED LOFT CONVERSION
40 Broad Acres Hatfield AL10 9LD
Received 23 Dec 2005
DecidedN6/2009/2322/EI
EI SCREENING OPINION FOR QEII HOSPITAL SITE
QUEEN ELIZABETH II HOSPITAL, HOWLANDS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4HQ
Received 26 Oct 2009
Decided - GrantedN6/2008/0736/TP
VARIOUS WORKS TO TREES COVERED BY TPO 1 (SEE TREE SCHEDULE)
Land at Danesbury Hill House Codicote Road Welwyn AL6 9NF
Received 26 Mar 2008
Decided - RefusedN6/2007/1151/FP
CONVERSION OF SINGLE INTERGRAL GARAGE
19 WATERBEACH, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2PT
Received 2 Aug 2007
Decided - Granted6/2021/3276/EMT
Crown reduction of willow tree by 2-3m from branch tips.
3 Parkfields Welwyn Garden City AL8 6EE
Received 17 Nov 2021
Decided - Granted6/2018/2472/MAJ
Removal of roof and addition of three new floors of residential accommodation comprising 24 x 1 bed flats and 1 x 2 bed flat, alterations to external appearance, provision of cycle parking and bin storage areas and amendments to car parking to provide disabled spaces
Accord House 28 Bridge Road East Welwyn Garden City AL7 1HX
Received 26 Sept 2018
Decided - GrantedN6/2014/1361/FP
Erection of single storey rear extension
22 Marsden Road, Welwyn Garden City, AL8 6XZ
Received 16 Jun 2014
Decided6/2024/1480/TC
T1 Ash - remove The tree works are proposed to stop the influence of the tree(s) on the soil below building foundation level and provide long term stability at the address of 46 Longcroft Gardens
49 Longcroft Gardens Welwyn Garden City AL8 6JR
Received 5 Aug 2024
Decided - GrantedN6/2013/2725/DS
Discahrge of condition 3 (materials) of planning permission N6/2013/2146/FP
16 Sherrardspark Road, Welwyn Garden City, AL8 7JP
Received 23 Dec 2013
Decided - Granted6/2017/0767/COND
Approval of conditions reserved by condition 1 & 2 (Details of external lighting) & (Hard & Soft landscape works) on planning permission 6/2016/1620/MAJ & 6/2016/1039/MAJ
Plot 6000, Hatfield Avenue, Hatfield Business Park, Hatfield, AL10 9UA
Received 18 Apr 2017
Decided - Granted6/2021/1470/EMH
Demolition of existing garage and erection of ground floor rear and side extension.
18 Dellcott Close Welwyn Garden City AL8 7BD
Received 10 May 2021
Decided - GrantedS6/2015/0795/TP
Crown reduce ash tree by 30% covered by TPO2
5 The Drive Ponsbourne Farm Newgate Street Hertford SG13 8QS
Received 7 Apr 2015
Decided - Granted6/2021/0872/EMH
Erection of single storey rear and side extension and relocation of new front door
22 Moorlands Welwyn Garden City AL7 4PP
Received 17 Mar 2021
Decided - Granted6/2015/2265/HOUSE
Erection of porch, two storey rear extension, alterations and removal of conservatory
17 Briary Wood Lane Welwyn AL6 0TE
Received 5 Nov 2015
Decided - Granted6/2018/1486/LAWP
Certificate of lawfulness for loft conversion to habitable space including installation of gable wall, rear dormer and front rooflights
5 The Gardens Brookmans Park Hatfield AL9 7UL
Received 4 Jun 2018
Decided - Granted6/2016/0908/EM
Crown lift Apple tree to 2.5m. and reduce by upto 3m.
4 Meadow Green, Welwyn Garden City, AL8 6SS
Received 10 May 2016
Decided - GrantedC6/1987/7040/AD
One illuminated gantry sign and two illuminated signs on a proposed shop building
Stadium Service Station Stanborough Road Welwyn Garden City AL8 6XA
Received 1 Jan 1987
Decided - Granted6/2022/2181/EMT
Walnut tree for removal Small oak tree reduction 1.5 metres back to previous reduction points
14 Eastor Welwyn Garden City Hertfordshire AL7 1PN
Received 21 Sept 2022
Decided - GrantedS6/2013/2342/FP
Alterations to include a rear dormer and two front rooflights
83 Bluebridge Road, Brookmans Park, AL9 7UN
Received 11 Nov 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