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

40,154Searchable applications

303Recorded as pending

86%Approval rate · 33,678 approved or refused records

4,802Refused applications

28,876 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 3 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 Counts reflect the last collected status; some records may be out of date.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 - WithdrawnW6/2007/0962/EM
ERECTION OF A SINGLE STOREY REAR EXTENSION
48 Lords Wood, Welwyn Garden City, AL7 2HF
Received 25 Jun 2007
Decided - Granted6/2022/0737/EM
Replacement windows, new bi-fold doors & garage door
80 Digswell Park Road, Welwyn Garden City, AL8 7NS
Received 28 Mar 2022
Decided - Granted6/2024/0248/COND
Submission of details pursuant to condition 1 (Materials), 3 (Cycle Parking), 4 (Refuse and Recycling Storage) and 5 (Landscaping Scheme) on planning permission 6/2022/2033/FULL
331 St Albans Road West Hatfield AL10 9RN
Received 6 Feb 2024
Decided - Granted6/2019/1552/FULL
Subdivision of existing residential curtilage and erection of 1 x 2 bedroom dwelling with formation of vehicular crossover and creation of parking spaces
2 Maran Avenue Welwyn AL6 9HS
Received 25 Jun 2019
Decided - Granted6/2022/0860/EM
Replacement of front door
22 Marsden Road Welwyn Garden City AL8 6XZ
Received 11 Apr 2022
Decided - Split6/2021/0080/COND
Submission of details pursuant to condition 1 (accessible housing) and condition 3 (provision of roof dormer sample materials) on planning permission 6/2019/1452/MAJ
26 Stonehills Welwyn Garden City AL8 6NA
Received 12 Jan 2021
Decided - GrantedS6/2007/0487/LB
INSTALLATION OF VENTILATION/EXTRACTION SYSTEM
Red Lion Hotel 88 Great North Road Hatfield AL9 5EU
Received 23 Mar 2007
Decided - GrantedC6/1988/1255/FP
Siting of two temporary portable buildings for use as site office, with portable toilets and wash cabin
Hertfordshire Constabulary Stanborough Road Welwyn Garden City AL8 6XF
Received 1 Jan 1988
Decided - GrantedN6/2009/1297/FP
ERECTION OF SINGLE STOREY FRONT EXTENSION
57 The Crescent Welwyn AL6 9JG
Received 18 Jun 2009
Decided - GrantedW6/2004/0842/EM
ERECTION OF REAR CONSERVATORY
16 Pinnate Place, Welwyn Garden City, AL7 4DX
Received 7 Jun 2004
Decided - Granted6/2020/1658/EMT
Fell 1 x Plum tree
42 Valley Road Welwyn Garden City AL8 7DN
Received 9 Jul 2020
Decided - GrantedS6/2009/1426/LB
INSTALLATION OF PICKET FENCING TO FRONT AND SIDE BOUNDARIES AND ERECTION OF SMOKING SHELTER AND FENCING TO THE REAR
The Hope And Anchor 2 Station Road Welham Green Hatfield AL9 7PJ
Received 7 Jul 2009
Decided - Refused6/2016/1303/EM
Retention of existing single storey rear extension with alterations to existing parapet
251 Knightsfield, Welwyn Garden City, AL8 7RA
Received 27 Jun 2016
Decided - GrantedW6/2014/0664/TE
Cut back lowest arm of Maple tree, 6 foot from main stem and cut back 6 foot of overhang
76 Digswell Park Road, Welwyn Garden City, AL8 7NS
Received 14 Mar 2014
Decided - Granted6/2019/2553/COND
Submission of details pursuant to condition 1 (details of door design) listed building consent 6/2018/3205/LB
The Bothies and Walled Garden, North Mymms Park, North Mymms, AL9 7TR
Received 9 Oct 2019
Decided - Granted6/2021/2741/LAWP
Certificate of lawfulness for loft conversion with dormer to rear. Flat roof construction.
58 Wilshere Road Welwyn AL6 9PX
Received 22 Sept 2021
Decided - Withdrawn6/2015/2408/FULL
Erection of two storey dwellinghouse
Rear of 26 Great North Road Welwyn AL6 0PS
Received 3 Dec 2015
Decided - Granted6/2016/0004/HOUSE
Erection of a side and rear extension, loft conversion involving a font and rear dormer.
16 Skimpans Close, Welham Green, Hatfield, AL9 7PB
Received 6 Jan 2016
Decided - GrantedN6/2007/0764/FP
INSTALLATION OF REAR DORMER WINDOW AND ALTERATIONS TO EXISTING FRONT DORMER WINDOW
69 Warren Way Digswell Welwyn AL6 0DL
Received 16 May 2007
Decided - GrantedW6/2004/1183/EM
ERECTION OF SINGLE STOREY SIDE AND REAR EXTENSIONS
143 Parkway, Welwyn Garden City, AL8 6JB
Received 3 Aug 2004
Decided - GrantedN6/2014/2111/FP
Erection of single storey rear extension
140 Holwell Road, Welwyn Garden City, AL7 3RW
Received 25 Sept 2014
Decided - Granted6/2023/1754/HOUSE
Erection of single storey side extension
3 The Holdings Hatfield AL9 5HH
Received 18 Aug 2023
Decided - Granted6/2022/2237/TPO
1 x Beech to reduce by 40% crown volume 1 x Robinia to remove major deadwood. Reduce branches to clear phone lines by 1m. To reduce branches to clear roof by 1m covered by TPO 830 (2018) T1
8 The Valley Green Welwyn Garden City AL8 7DQ
Received 27 Sept 2022
Decided - Granted6/2020/2417/EMH
Internal alterations, insertion of roof lantern and alterations to openings and fenestration to side and rear elevations.
89 Moorlands Welwyn Garden City AL7 4QQ
Received 21 Sept 2020

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