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

39,902Searchable applications

298Recorded as pending

86%Approval rate · 33,454 approved or refused records

4,782Refused applications

28,672 approved · 4,782 refused · 2,192 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 29 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/2919/HOUSE
Erection of a part first floor rear extension
83 Cranfield Crescent Cuffley Potters Bar EN6 4DZ
Received 9 Nov 2020
Decided - Granted6/2018/0939/EM
Erection of a part single storey, part two storey rear extension following the demolition of existing conservatory and part of rear ground floor extension.
54 Valley Road Welwyn Garden City AL8 7DN
Received 9 Apr 2018
Decided - Granted6/2019/0719/FULL
Erection of single storey extension to facilitate ancillary admin space
Paddocks House The Paddocks Welwyn Garden City AL7 2AY
Received 26 Mar 2019
Decided - Granted6/2018/0545/FULL
Erection of an event/display pod
ASDA Hatfield 98 Town Centre Hatfield AL10 0JP
Received 23 Feb 2018
Decided - Granted6/2019/0595/LAWP
Certificate of lawfulness for the erection of of a wooden summerhouse/shed on concrete base
23 Fordwich Road Welwyn Garden City AL8 6EX
Received 13 Mar 2019
Decided - Granted6/2025/2625/LAWP
Certificate of lawfulness for the erection of a boundary wall and installation of hard standing and a drop kerb to the front of the property.
4 Broomfield Road Welwyn AL6 9DW
Received 30 Dec 2025
Decided - RefusedN6/2014/2348/LUE
Certificate of lawfulness for the existing provision of hardstanding
Land at Spinney Lane Welwyn AL6 9TB
Received 23 Oct 2014
Decided - GrantedN6/2009/0289/FP
ERECTION OF A REAR CONSERVATORY
114 THE COMMONS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4SB
Received 16 Feb 2009
Decided - Granted6/2024/1017/HOUSE
Erection of new front boundary wall with railings
18 Hanyards Lane Cuffley Potters Bar EN6 4AT
Received 31 May 2024
Decided - Granted6/2018/0861/HOUSE
Erection of a single storey side and rear extension and a part first floor rear extension
5 Woodland Rise Welwyn Garden City AL8 7LE
Received 3 Apr 2018
Decided - Granted6/2016/2412/HOUSE
Erection of single storey front extension plus internal alterations and front canopy
Woodside, Vineyards Road Northaw Potters Bar EN6 4PA
Received 15 Nov 2016
Decided - GrantedN6/2012/2489/NM
Non material amendment following approval of planning permission N6/2012/1958/FP - Raising of front parapet wall with a coping of brick on edge and tile creasing in lieu of a pre cast concrete coping
7 Barleycroft Green Welwyn Garden City AL8 6JY
Received 28 Nov 2012
Decided - GrantedW6/2008/0692/EM
ERECTION OF TIMBER SHED, FOLLOWING DEMOLITION OF EXISTING GARAGE
15 BEEHIVE GREEN, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4BE
Received 5 Apr 2008
Decided - WithdrawnN6/2015/1465/LUE
Certificate of lawfulness for the existing use of drive way across Council land - used to access garage
101 Bushey Ley Welwyn Garden City AL7 3HF
Received 7 Jul 2015
Decided - RefusedN6/2007/1446/FP
ERECTION OF TWO STOREY SIDE EXTENSION FOLLOWING DEMOLITION OF EXISTING GARAGE
16 THE PADDOCKS, WELWYN GARDEN CITY, HERTS, AL7 2BP
Received 28 Sept 2007
Decided - GrantedC6/1987/0725/DE
Details of soft landscaping
Phase 5, Panshanger, Welwyn Garden City, AL7 2RT
Received 1 Jan 1987
Decided - GrantedN6/2013/2705/FP
Removal of gallery building that links Maran House to Maran Cottage and reinstatement of Maran Cottage as a seperate dwelling. 2 conservation style velux windows to Maran Cottage and 2 new dormers to Maran House. Internal alterations to Maran Cottage, new bridge over river mimram and new boundary between properties.
Maran House 56 Hertford Road Digswell Welwyn AL6 0BX
Received 12 Dec 2013
Decided - Granted6/2020/0332/COND
Submission of details pursuant to condition 1 (sample of materials) and 2 (matching materials) on planning permission 6/2019/3048/HOUSE
3 The Chase Welwyn AL6 0QT
Received 5 Feb 2020
Decided - Granted6/2016/1693/LB
Installation of 2 no. externally illuminated post signs, 2 no. externally illuminated areas of signwriting and 3 no. non illuminated areas of signwriting
The Crooked Chimney, Cromer Hyde Lane, Lemsford, Welwyn Garden City, AL8 7XE
Received 18 Aug 2016
Decided - Granted6/2015/2421/HOUSE
Erection of two storey side extension, single storey rear & side extension
10 Canonsfield Welwyn AL6 0QD
Received 1 Dec 2015
Decided6/2021/2709/TC
Reduce 1 x Cherry tree by 2m height and 1.2m width, 1 x Lawson Cypress tree by 1m, and remove 5 lowest branches from 1 x Blue Spruce tree covered by conservation area
5 Handside Green Welwyn Garden City AL8 6SQ
Received 20 Sept 2021
Decided - Granted6/2025/2531/EM
Install solar panels on rear roof of property. Install backup battery on side of property. Install EV charger at front of property.
358 Knightsfield Welwyn Garden City AL8 7NG
Received 8 Dec 2025
Decided - Granted6/2021/1987/VAR
Removal of condition 4 (cycle only route) and variation of conditions 6 (noise scheme), 7 (electric car charging points), 9 (accessible housing), condition 13 (integration with existing cycle facilities), 17 (parking), 19 (planting), 28 (Arboricultural Impact Assessment Report), condition 29 (Energy Strategy) and 30 (approved plans) on planning permission 6/2019/2430/MAJ
1 Town Centre Hatfield AL10 0JZ
Received 30 Jun 2021
Decided - Granted6/2020/2521/EM
Resurfacing and enlargement of existing cracked tarmac driveway and incorporation of existing pathway to form part of new lawn and driveway. Replacement of front boundary walls with new wall at same height using similar mixed brick. Widening of driveway entrance by 40cm and erection of pathway to form part of driveway. Existing two walls to side of driveway entrance combined into one wall
7 Coneydale Welwyn Garden City AL8 7RX
Received 30 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

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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.
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Published 16 Jul 2026Updated 13 Sept 2026
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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.
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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.
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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