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

40,308Searchable applications

287Recorded as pending

86%Approval rate · 33,826 approved or refused records

4,820Refused applications

29,006 approved · 4,820 refused · 2,220 withdrawn. Received dates in our records: 29 Apr 1948 to 3 Nov 2026. Most recent record check: 10 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2025/0637/EMT
Spruce tree - reduce lower canopy by 10%, back to boundary line, and raise the canopy line by 2m
17 Marley Road Welwyn Garden City AL7 4BT
Received 2 Apr 2025
Decided - Granted6/2024/0813/EM
Infill the passageway between the house and garage to allow the conversion of the garage into a habitable room. Erection of an extension to the rear of the garage to accommodate a utility room and a downstairs WC. Erection of a single storey, flat roofed, extension would be added to the rear of the original dwelling
41 Moorlands Welwyn Garden City AL7 4PY
Received 30 Apr 2024
Decided6/2022/1978/TC
1 x Variegated maple to prune out reversion growth, reduce remaining by 1.5m height and width. 1 x Deodar cedar to reduce by 2.5m in height and 1.2m in width. 1 x Weeping willow to reduce by 1.5m height and 2m width
13 The Old Drive Welwyn Garden City AL8 6TB
Received 25 Aug 2022
Appeal Decided - DismissedS6/2004/1185/OP
ERECTION OF DETACHED HOUSE AND DETACHED GARAGE
45 Bradshaws Hatfield AL10 9QS
Received 3 Aug 2004
Decided - Granted6/2019/0640/EM
Extension of existing dropped kerb to facilitate formation of driveway,hard and soft landscaping
6 High Oaks Road Welwyn Garden City AL8 7BH
Received 18 Mar 2019
Decided - GrantedW6/2004/0885/EM
ERECTION OF REAR CONSERVATORY.
485 Howlands, Welwyn Garden City, AL7 4HP
Received 11 Jun 2004
Decided - Granted6/2019/0202/COND
Submission of details pursuant to condition 5 (surface water drainage) on planning permission 6/2017/1422/FULL
30 Upland Drive, Brookmans Park, Hatfield, AL9 6PT
Received 31 Jan 2019
Decided - Granted6/2024/1835/EM
Erection of a single storey rear extension and garage conversion with alterations to openings and raising of roof
26 Parkfields, Welwyn Garden City, AL8 6ED
Received 24 Sept 2024
Decided - GrantedS6/2015/0583/FP
Erection of a single storey rear extension with alterations to side elevation and roof with extended rear patio
18 The Grove, Hatfield, AL9 7RN
Received 17 Mar 2015
Decided6/2025/0633/TC
Spruce tree. Remove several lower branches that overhang my property and also remove the same amount of branches on the other side of the tree in 17 Marley road - so that the tree still looks symmetrical. Removing 10% of the lower canopy which would raise the bottom of the tree by approximately 2m.
15 Marley Road Welwyn Garden City AL7 4BT
Received 2 Apr 2025
Decided - GrantedS6/2015/0122/FP
Erection of two storey rear extension, first floor side extension. Formation of rear dormer and front roof lights and alterations to the fenestration including replacement windows and doors
91 Moffats Lane, Brookmans Park, Hatfield, AL9 7RT
Received 19 Jan 2015
Decided - Granted6/2023/0307/LAWP
Certificate of lawfulness for alterations to fenestration
32 Chelwood Avenue Hatfield AL10 0RE
Received 8 Feb 2023
Decided - GrantedN6/2014/0290/HH
Prior approval for the erection of single storey rear extension
7B Cob Lane Close Digswell Welwyn AL6 0DD
Received 12 Feb 2014
Decided - SplitN6/2010/0156/TP
REMOVAL AND REPLACE DEAD SILVER BIRCH (T1), REMOVE AND REPLACE SYCAMORE T5 AND LIME TREES T6 ON EITHER SIDE OF EXISTING DRIVE, REDUCTION OF HEIGHT AND CROWN BY 20-30% OF ALL OTHER SYCAMORE, BEECH, CYPESS, HAWTHORN AND HORSE CHESTNUTS TO REAR OF EXISTING DWELLING, AND REMOVAL OF LOWER BRANCH OF SYCAMORE T4 COVERED BY TPO 274 A1
40 New Road Digswell Welwyn AL6 0AH
Received 28 Jan 2010
Decided - Granted6/2019/2463/EM
Erection of side extension of existing single story rear extension, part first floor rear extension, construction of front entrance canopy and installation of x2 skylights in roof
35 Attimore Road Welwyn Garden City AL8 6LQ
Received 3 Oct 2019
Decided - RefusedW6/2012/0097/EM
Removal of section of hedge and formation of vehicle hardstanding
12 Springfields Welwyn Garden City AL8 6XP
Received 11 Jan 2012
Decided - Granted6/2021/0068/EM
Erection of standard, white uPVC lean-to conservatory - 2.4m (w) x 3m (d) - to rear of house. Conservatory will not be visible from the street.
56 Broadwater Crescent Welwyn Garden City AL7 3TU
Received 11 Jan 2021
Decided6/2024/1461/TC
(A1) Acer palmatum, To be removed as it is causing damage to the patio, lifting slabs
10 Parkway Gardens Welwyn Garden City AL8 6JW
Received 1 Aug 2024
Decided - Withdrawn6/2020/0476/EM
Fell group of Oak trees (2-3 trees / twin- and multi-stemmed)
14 Broadfield Place Welwyn Garden City AL8 6LJ
Received 18 Feb 2020
Decided - Granted6/2019/3074/LB
Erection of front porch
Stocking Lane Cottage Hill Farm Lane Welwyn AL6 9BW
Received 4 Dec 2019
Decided - RefusedS6/2014/1449/FP
Erection of single storey side and front extension
43 Talbot Road, Hatfield, AL10 0RA
Received 30 Jun 2014
Decided - GrantedN6/2014/0212/FP
Erection of single storey extensions and pool house following demolition of existing conservatory and pool house
47 New Road Digswell Welwyn AL6 0AQ
Received 24 Jan 2014
Decided - Refused6/2016/1633/HOUSE
Erection of part two storey and part single storey rear extension. Single storey side extension and front porch (revised scheme)
5 Great North Road Welwyn Garden City AL8 7TH
Received 10 Aug 2016
Decided - RefusedN6/2009/0566/FP
INSTALLATION OF GATES TO FRONT AND REAR AND REPLACEMENT FENCING TO BOUNDARY
The Grange 3 Codicote Road Welwyn AL6 9LY
Received 27 Mar 2009

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
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.
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