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

34,285Searchable applications

313Recorded as pending

87%Approval rate · 28,643 approved or refused records

3,786Refused applications

24,857 approved · 3,786 refused · 1,784 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 21 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedN6/2013/2640/FP
Change of Use from office to Ladies Gym (D2)
62B Bridge Road East, Welwyn Garden City, AL7 1JU
Received 12 Dec 2013
Decided - Granted6/2016/1960/TPO
T1 - Oak To raise the east, south-east, south and south-west sides of tree canopy to gain approximately 5 metres clearance above ground level (including two branches over the neighbour's Apple tree). Reduce to provide 3 metres clearance from corner of the house covered by TPO 7 (1974)
12 Woodlands, Brookmans Park, Hatfield, AL9 7AN
Received 22 Sept 2016
Decided - Granted6/2016/1505/EM
Erection of part single part double storey extension to the rear
48 Elmwood, Welwyn Garden City, AL8 6LE
Received 25 Jul 2016
Decided - Granted6/2026/0237/COND
Submission of details pursuant to Condition 15 (Samples of external surface materials) on planning permission 6/2020/2268/MAJ allowed under appeal APP/C1950/W/21/3284525
73 Bridge Road East Welwyn Garden City AL7 1UT
Received 10 Feb 2026
Decided - GrantedW6/2013/0079/EM
Enclose existing porch
10 Walden Road, WELWYN GARDEN CITY, AL8 7PF
Received 14 Jan 2013
Decided - Granted6/2015/1718/EM
Formation of hardstanding
8 Stanborough Green Welwyn Garden City AL8 6XG
Received 12 Aug 2015
Decided - Granted6/2019/3223/HOUSE
Installation of front and extended side dormer
18 Theobalds Road Cuffley Potters Bar EN6 4HQ
Received 23 Dec 2019
Decided - Withdrawn6/2017/2639/EM
Replace existing conifer hedge with beech
5 Guessens Road Welwyn Garden City AL8 6QW
Received 6 Nov 2017
Decided - Granted6/2017/1717/PN15
Prior approval for the installation of a 15 metre high monopole and equipment cabinet
Harmergreen Wood Scout Group Robbery Bottom Lane Welwyn AL6 0US
Received 2 Aug 2017
Decided - Granted6/2016/0583/HOUSE
Erection of first floor side and rear extension
66 Bramble Road Hatfield AL10 9SE
Received 4 Apr 2016
Decided - Granted6/2024/0505/EMT
T1 Ash tree to crown reduce by 2.5m, lowest limb over drive to be removed, and lowest limb growing over road to be removed. T2 Spruce tree to reduce in height by 3m. T3 Ash tree to crown reduce by 1.5m.
167 Handside Lane Welwyn Garden City AL8 6TA
Received 15 Mar 2024
Decided - Granted6/2021/1751/EMT
Remove the overgrown leylandi conifers and replant with tall Holme oak and large native specimen deciduous trees to retain the privacy screen of trees
2 Old Forge Close Welwyn AL6 0SR
Received 3 Jun 2021
Decided - Granted6/2021/2491/HOUSE
Retrospective planning approval for alterations to window and door openings, change of timber windows stained brown to Grey UPVC, part garage conversion, new porch entrance, and all external elevations; brickwork covered over with smooth white painted render.
1 The Crest Welwyn AL6 0EF
Received 25 Aug 2021
Decided - Granted6/2017/1710/LAWP
Certificate of lawfulness for the erection of two single storey side extensions
Homerswood Cottage 7 Digswell Hill Welwyn AL6 9AH
Received 3 Aug 2017
Decided - Granted6/2016/2018/FULL
Change of use from amenity to residential land and the formation of a hardstanding
63 Lumbards Welwyn Garden City AL7 1PW
Received 26 Sept 2016
Decided - Granted6/2019/2387/EM
Reduce 1 x Fastigiate pyrus (P1) by 30%
26 Guessens Road Welwyn Garden City AL8 6RA
Received 27 Sept 2019
Decided - GrantedS6/2013/0925/DS
Discharge of conditions 3 (Materials) , 4 (Landscaping), 5 (Trees), 6 (Refuse Provision), 7 (Cycle Store), 8 (Contamination) and 12 (Site Establishment) from planning permission S6/2012/1658/FP
24 Dellsome Lane, Welham Green, Hatfield, AL9 7NF
Received 25 Apr 2013
Decided - Refused6/2024/0260/LB
Erection of single storey extension to link existing house and outbuilding, conversion of outbuilding into habitable space and internal alterations including general and external refurbishment
1 Digswell Park Cottages Digswell Park Road Welwyn Garden City AL8 7NN
Received 7 Feb 2024
Decided - Granted6/2020/2422/TPO
Remove leaning sycamore Remove laurel dump and grub up roots Remove young sycamore Remove laurel (multistem) Remove yew Remove immature holly (multi) Remove Acer Negundo (multistem) Remove sycamore (multistem) Remove sycamore Remove hawthorn (multistem) Remove cherry Remove immature small sycamore Remove holly (multistem) Remove one dead tree 5 yew - reduce height to 3m Oak - remove ivy Oak - clear stem to height
Ponsbourne Park Newgate Street
Received 7 Sept 2020
Decided - Granted6/2022/0251/TPO
Sycamore Tree - Reduce crown overall by 3 metres to reduce shading on gardens. Tree protected by TPO 746 (2018)
37 Turpins Ride Welwyn AL6 0QX
Received 4 Feb 2022
Decided - Granted6/2025/1747/HOUSE
Erection of a front boundary wall with pillars, railings and gates with light columns attached
22 Mymms Drive Brookmans Park AL9 7AF
Received 18 Aug 2025
Decided - Granted6/2017/1504/HOUSE
Alterations to openings and raising of garage roof height to facilitate conversion to habitable space
5 Wellands Hatfield AL10 0DB
Received 10 Jul 2017
Decided - Granted6/2015/2326/HOUSE
Formation of hardstanding to front of property
6 Lords Wood, Welwyn Garden City, AL7 2HF
Received 17 Nov 2015
Decided - Granted6/2020/0210/EM
Reduce 1x Oak tree by 30% Fell 5x Lawson Cypress trees
23 Pentley Park Welwyn Garden City AL8 7RT
Received 24 Jan 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