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

322Recorded as pending

86%Approval rate · 33,788 approved or refused records

4,816Refused applications

28,972 approved · 4,816 refused · 2,217 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 7 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2024/2205/HOUSE
Erection of single storey rear extension and part garage conversion, including raising of garage roof
7 Nut Grove Welwyn Garden City AL8 7SQ
Received 14 Nov 2024
Decided - Granted6/2016/1366/HOUSE
Erection of single storey rear extension
12 Westcott, Welwyn Garden City, AL7 2PP
Received 5 Jul 2016
Decided - Granted6/2020/1690/EM
Application for retrospective consent for the removal and replacement of hedges at the front and side of the property and enlargement (and renewal) of the existing driveway
6 Russellcroft Road Welwyn Garden City AL8 6QT
Received 13 Jul 2020
Decided - GrantedW6/2015/1376/TE
Reduce Field Maple tree to 2m
59 Attimore Road Welwyn Garden City AL8 6LG
Received 29 Jun 2015
Decided - GrantedW6/2015/0449/EM
Erection of garden building
39 Attimore Road, Welwyn Garden City, AL8 6LG
Received 4 Mar 2015
Decided - Granted6/2025/1944/COND
Submission of details pursuant to Condition 1 (Samples of the materials) on planning permission 6/2024/1436/HOUSE
Warren Wood Wing 2 Kentish Lane Hatfield AL9 6JQ
Received 10 Sept 2025
DecidedN6/2014/2160/TC
Reduce oak tree by 2 metres
3 Reddings, Welwyn Garden City, AL8 7LA
Received 1 Oct 2014
Decided - Refused6/2024/0985/HOUSE
Erection of rear conservatory and patio alterations
35 Blakemere Road Welwyn Garden City AL8 7PQ
Received 28 May 2024
Decided - GrantedN6/2014/2313/FP
Erection of two storey side extension, detached garage and new pitched roof over retained section of garage to be partially demolished
2 The Drive Welwyn AL6 0TR
Received 20 Oct 2014
Decided - Granted6/2020/0244/HOUSE
Erection of single story side and rear extension with internal alterations and demolition of existing garage
581 Howlands Welwyn Garden City AL7 4HT
Received 28 Jan 2020
Decided - Granted6/2020/0198/LB
Insertion of flue to boiler room of existing property, to facilitate new boiler
6 Hall Grove Welwyn Garden City AL7 4PN
Received 27 Jan 2020
Decided - GrantedW6/2013/1841/TE
Removal of Pine tree
135 Handside Lane, Welwyn Garden City, AL8 6TA
Received 19 Aug 2013
Decided - Granted6/2016/1089/LAWP
Certificate of lawfulness for the erection of a detached garage at the rear of the property
29 Church Lane, Northaw, Potters Bar, EN6 4NX
Received 2 Jun 2016
Decided - Granted6/2017/2243/EM
1 x Oak to remove deadwood & shorten lower lateral branches by 2m
14 Willow Grove Welwyn Garden City AL8 7NA
Received 3 Oct 2017
Decided - RefusedN6/2014/0733/FP
Erection of two storey side and rear extension following demolition of existing garage and infill between garage and house
21 The Avenue Welwyn AL6 0PW
Received 2 Apr 2014
Decided - GrantedW6/2013/2044/TE
Fell Three Norway Spruce trees
9 Redwoods, Welwyn Garden City, AL8 7NR
Received 12 Sept 2013
Decided - GrantedN6/2013/0236/FP
Erection of two single storey front extensions, first floor extensions, two storey side extension and single storey garage and formation of two new crossovers and hardstandings
14-16 Wilga Road, WELWYN, AL6 9PS
Received 4 Feb 2013
Decided - Granted6/2016/1500/EM
Installation of satellite dish
243 Handside Lane, Welwyn Garden City, AL8 6TF
Received 25 Jul 2016
Decided - GrantedN6/2010/0345/TE
REDUCE WEEPING WILLOW TREE IN REAR GARDEN BY 25%
6 LYTTON GARDENS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6EG
Received 26 Feb 2010
Decided - Granted6/2016/1496/ADV
Installation of 5no illuminated fascia signs and 3no non-illuminated signs following removal of existing signage
Stanborough Beefeater And Travel Inn, Stanborough Road, Welwyn Garden City, AL8 6DQ
Received 25 Jul 2016
Decided - GrantedS6/2007/1207/FP
ERECTION OF A FIRST FLOOR REAR EXTENSION, ALTERATIONS TO ROOF TO INCLUDE TWO DORMER WINDOWS TO FRONT ELEVATION, FOLLOWING DEMOLITION OF EXISTING DORMER WINDOW
57 THE RIDGEWAY, CUFFLEY, POTTERS BAR, HERTFORDSHIRE, EN6 4BD
Received 8 Aug 2007
Decided - Granted6/2022/2705/EMT
Crown reduce by 30% 1 x Hawthorn and 1 x Elder to remove storm damage branches and promote new healthy growth
24 Walden Road Welwyn Garden City AL8 7PF
Received 29 Nov 2022
Decided - Granted6/2020/2370/HOUSE
Replacement and alterations to fenestration and removal of exterior cladding
51 Bradgate Cuffley Potters Bar EN6 4RP
Received 16 Sept 2020
Decided - Granted6/2021/0325/EMT
Trim 1 x Conifer tree (T1) and remove 1 branch. Reduce 1 x Lawson Cypress (T2) by 3m. Reduce 1 x Laurel Hedge (T3) by 2m and cut back by 1m.
2 Thumbswood Welwyn Garden City AL7 4QE
Received 2 Feb 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.
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