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

34,648Searchable applications

313Recorded as pending

87%Approval rate · 28,864 approved or refused records

3,835Refused applications

25,029 approved · 3,835 refused · 1,804 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 22 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2009/1012/FP
RETENTION OF FRONT BOUNDARY WALL WITH RAILINGS AND METAL BAR SLIDING ENRANCE GATE
23 HILL RISE, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4EH
Received 30 Apr 2009
Decided - Granted6/2020/0961/EM
Formation of replacement driveway
10 Little Youngs Welwyn Garden City AL8 6SL
Received 29 Apr 2020
Decided - Withdrawn6/2020/2603/HOUSE
Demolition of conservatory, erection of part single storey and two storey rear extension. Insertion of roof lantern and windows to existing side elevation
150 Salisbury Road Welwyn Garden City AL7 3SA
Received 8 Oct 2020
Decided - Refused6/2017/0758/LAWP
Certificate of lawfulness for the erection of a conservatory
60 Dalewood Welwyn Garden City AL7 2JW
Received 13 Apr 2017
Decided - Granted6/2022/1479/EM
Install of solar panels to the rear of the property. Panels are to be installed to the sloped roof and flat roof extension
6 Handside Close Welwyn Garden City AL8 6SR
Received 24 Jun 2022
Decided - Granted6/2020/1882/COND
Submission of details pursuant to condition: 7 (Materials), on planning permission 6/2018/3110/MAJ
Ratcliff Tail Lifts Ltd Bessemer Road Welwyn Garden City AL7 1ET
Received 29 Jul 2020
Decided - Granted6/2022/0231/COND
Submission of details pursuant to condition 1 (detailed drawings of new windows and roof lights), 2 (details of the repair, alteration and reuse of the original front door), 3 (details of the repair, reuse, replacement and removal of internal timber panelling, including timber-clad ceilings), 4 (details of new internal flooring), 6 (the brickwork, roof tile, bond, mortar, windows, detailing, guttering, soffits and other external decorations of the approved extension/alterations must match the existing dwelling/building in relation to colour and texture), 7 (additional detailed drawings of new windows and roof lights, in section and elevation at a scale between 1:1 and 1:20 as appropriate), 8 (details of the repair, alteration and reuse of the original front door), 9 (details of the repair, reuse, replacement and removal of internal timber panelling, including timber-clad ceilings), 10 (details of new internal flooring), and 11 (details of new radiators, including their positions) on planning application 6/2021/2209/HOUSE
47 The Ryde Hatfield Hertfordshire AL9 5DQ
Received 2 Feb 2022
Decided - GrantedN6/2015/0854/TP
Crown thin Scots Pine tree by 20% and reduce main leaders over neighbouring properties aerial covered by TPO16
16 Oaklands Rise Welwyn AL6 0RN
Received 21 Apr 2015
Decided - Granted6/2021/0178/EM
Erection of a detached garden room to the rear of the property
53 Oakdale Welwyn Garden City AL8 7QP
Received 20 Jan 2021
Decided - GrantedS6/2008/2107/DS
DISCHARGE OF CONDITION 2 (BOUNDARIES), 3 (PARKING) & 4 (MATERIALS) OF PLANNING PERMISSION S6/2006/1332/FP
11 Broom Close Hatfield AL10 9DL
Received 7 Nov 2008
Decided - Granted6/2023/1486/TPO
2 x Ash to reduce by 2m height and 2m width (TPO 910 T4 & T5)
1 Vera Lane Digswell Welwyn AL6 0EW
Received 17 Jul 2023
Decided - Granted6/2017/2187/EM
Fell 1x Sycamore tree in rear garden
40 Bassingburn Walk Welwyn Garden City AL7 3QQ
Received 27 Sept 2017
Appeal Decided - Dismissed6/2017/2194/HOUSE
Extension and conversion of existing detached garage to provide ancillary accommodation
37 Wellfield Road Hatfield AL10 0BY
Received 27 Sept 2017
Decided - Granted6/2019/1731/HOUSE
Erection of a rear conservatory
64 Parkway Welwyn Garden City AL8 6HH
Received 11 Jul 2019
Decided - Granted6/2018/1298/HOUSE
Erection of a front porch, single storey side and rear extensions following the demolition of existing garage and replacement roof with installation of 2 front and rear dormer windows, 2 circular high level windows and conversion of loft.
9 Wendover Drive Welwyn AL6 9LT
Received 16 May 2018
Decided - Granted6/2020/2483/EMT
Fell 1 x Magnolia tree
6 Moorlands Welwyn Garden City AL7 4PP
Received 28 Sept 2020
Decided - Split6/2018/0676/COND
Submission of details pursuant to condition 1 (material samples), 2 (Construction Management Plan), 3 (off-site highway improvement), 4 (acoustic report regarding external amenity areas), 5 (noise from plant and equipment), 6 (surface water drainage scheme) and 7 (management and maintenance plan) on planning permission 6/2017/1194/MAJ, dated 08/12/2017
98-102 Great North Road Hatfield AL9 5DB
Received 12 Mar 2018
Decided - GrantedN6/2012/2540/FP
Retention of a block and render wall to front boundary
12 Rosecroft Lane Welwyn AL6 0UB
Received 3 Dec 2012
Decided - Refused6/2025/0251/HOUSE
Part single and part two storey side extension following demolition of existing garage and internal alterations
2 Four Acres Welwyn Garden City AL7 4NW
Received 12 Feb 2025
Decided - WithdrawnN6/2013/1138/FP
Change of use of part (south) of site to residential amenity space, and removal of trees on road side bank, stability work and re-planting
18 London Road, WELWYN, AL6 9EL
Received 29 May 2013
Decided - GrantedN6/2009/2657/DS
DISCHARGE OF CONDITIONS 3 (SAMPLES), 4 (LANDSCAPING), 5 (FOUNDATIONS), 7 (VEHICULAR ACCESS) AND 9 (PROTECTION) OF PLANNING PERMISSION N6/2008/1984/FP
110 MAPLE GROVE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1NW
Received 27 Nov 2009
Decided - Granted6/2019/0652/HOUSE
Erection of single storey rear extension and partial conversion of existing garage
9 Holme Close Hatfield AL10 9LQ
Received 19 Mar 2019
Decided6/2024/0189/TC
Fell 1 x crab apple tree
2 Colgrove Welwyn Garden City AL8 6HU
Received 30 Jan 2024
Decided - Granted6/2021/2817/LAWP
Certificate of lawfulness for proposed Rear 3m Extension
57 Hollybush Lane Welwyn Garden City AL7 4JH
Received 30 Sept 2021

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.
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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.
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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