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

283Recorded as pending

86%Approval rate · 33,821 approved or refused records

4,819Refused applications

29,002 approved · 4,819 refused · 2,219 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2020/1643/EMT
Fell 1 x Conifer Tree
23 Reddings Welwyn Garden City AL8 7LA
Received 8 Jul 2020
Decided - Granted6/2016/2688/FULL
Re-configuration of parking areas to facilitate improved parking provision
Yodel Hatfield Business Park Frobisher Way Hatfield AL10 9TR
Received 19 Dec 2016
Decided - Refused6/2020/3337/HOUSE
Erection of single storey front extension, construction of boundary wall and formation of hardstanding with installation of dropped kerb
3 Wilshere Road Welwyn AL6 9PU
Received 14 Dec 2020
Decided - Granted6/2022/2742/HOUSE
Erection of two storey and part single storey side extension
79 Sylvandale Welwyn Garden City AL7 2HT
Received 5 Dec 2022
Decided - Granted6/2021/3050/ADV
Installation of 2x internally illuminated totem signs
Panshanger Community Centre 59 Moors Walk Welwyn Garden City AL7 2BQ
Received 25 Oct 2021
Decided - Granted6/2022/1204/EMT
Fell 1 x sycamore due to severe decline following fire damage
9 Newfields Welwyn Garden City AL8 6YS
Received 24 May 2022
Decided - Granted6/2025/1946/HOUSE
Erection of a single storey front link extension to connect the detached outbuilding to the dwelling and the erection of a single storey front infill extension. Replacement of all fenestrations from white to black UPVC doors and windows.
15 Carbone Hill Northaw Potters Bar EN6 4PJ
Received 10 Sept 2025
Decided6/2017/2084/TPO
1 x Silver Birch to reduce by 3m height & 2m width - Conservation Area
20 Applecroft Road Welwyn Garden City AL8 6LA
Received 15 Sept 2017
Decided - Granted6/2016/0667/FULL
Erection of 1 dwellinghouse
Land adjacent to 66 Tolmers Road, Cuffley, Potters Bar, EN6 4JY
Received 8 Apr 2016
Decided - Granted6/2018/0915/EM
Fell 1 x Whitebeam tree (T1) and 1 x Purple Leaved Plum tree (TG1)
24 Vine Close Welwyn Garden City AL8 7PS
Received 6 Apr 2018
Decided - Granted6/2016/1869/LAWP
Certificate of lawfulness for a garage conversion, alterations to openings, step structure and landscaping to the front of property
60 Park Meadow, Hatfield, AL9 5HB
Received 13 Sept 2016
Decided - Granted6/2016/0154/HOUSE
Erection of two storey side and rear extension
1 Vicarage Close, Northaw, Potters Bar, EN6 4NY
Received 1 Feb 2016
Decided - GrantedW6/2007/1527/EM
INSTALLATION OF 2 ROOFLIGHTS TO REAR ELEVATION
26 Hyde Valley, Welwyn Garden City, AL7 4NA
Received 22 Oct 2007
Decided - RefusedS6/2013/2065/LUP
Proposed side extension, alterations to extend side double garage, dormer window and outbuilding
28 Hawkshead Lane, North Mymms, Hatfield, AL9 7TB
Received 23 Sept 2013
Decided - Granted6/2017/2958/HOUSE
Erection of single storey front and rear extensions and alterations
5 Wain Close Little Heath Potters Bar EN6 1NF
Received 20 Dec 2017
Decided - GrantedN6/2006/0371/FP
ERECTION OF TWO STOREY SIDE AND REAR EXTENSION, FRONT PORCH AND INTERNAL ALTERATIONS
16 Firway Welwyn AL6 0RD
Received 22 Mar 2006
Decided - GrantedN6/2013/2180/TC
Prune Willow tree crown by 50%
166 Parkway, WELWYN GARDEN CITY, AL8 6HZ
Received 1 Oct 2013
Decided - Granted6/2026/0744/EM
Proposed removal of redundant boiler chimney at rear of property
1 Old Forge Close Welwyn AL6 0SR
Received 27 Apr 2026
Decided - GrantedC6/1987/0332/FP
Single storey side externsion and front extension to porch
25 Woodland Rise, Welwyn Garden City, AL8 7LJ
Received 1 Jan 1987
Decided - Refused6/2020/3426/HOUSE
Erection of a first floor/two storey side and single storey/two storey rear extensions
1 Guessens Road Welwyn Garden City AL8 6QW
Received 22 Dec 2020
Decided - Granted6/2017/2244/EM
Fell 1 x Ash tree to ground level
11 Digswell Park Road Welwyn Garden City AL8 7NW
Received 3 Oct 2017
Decided6/2021/2579/TC
Fell 1 x Apple tree covered by conservation area
124 Sweet Briar Welwyn Garden City AL7 3EA
Received 6 Sept 2021
Decided - Refused6/2016/1711/PN22
Prior Approval for a change of use from Class A1 (Shops) to A3 (Restaurants & Cafes)
8 Market Place, Hatfield, AL10 0LN
Received 16 Aug 2016
Decided - Granted6/2026/0782/HOUSE
Installation of a front portico
11 Carleton Rise Welwyn AL6 9RP
Received 5 May 2026

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