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

40,146Searchable applications

300Recorded as pending

86%Approval rate · 33,676 approved or refused records

4,802Refused applications

28,874 approved · 4,802 refused · 2,208 withdrawn. Received dates in our records: 29 Apr 1948 to 26 Oct 2026. Most recent record check: 1 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 Counts reflect the last collected status; some records may be out of date.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 - Granted6/2017/2894/PN11
Prior Approval for the change of use from Use Class B1 (a) (Offices) to Use Class C3 (Residential) to provide 2 self-contained units (1x1-bed and 1x2-bed) and associated refuse storage.
Second Floor York House 4 Wigmores South Welwyn Garden City AL8 6PL
Received 12 Dec 2017
Decided - Granted6/2023/1286/TPO
T1 - T2 - fell 2 x Conifers to ground level Topping would make trees look unsightly. T2 has lost a couple of limbs and didn’t look in great condition TPO 746 (2018)
37 Turpins Ride Welwyn AL6 0QX
Received 20 Jun 2023
Decided - Granted6/2018/0655/FULL
Erection of 2 x 5-bedroom dwellings with private rear gardens and front driveways, following demolition of existing single storey dwelling.
20 Upland Drive Brookmans Park Hatfield AL9 6PT
Received 8 Mar 2018
Decided - Granted6/2021/2455/ADV
Retention of an automated teller machine including the associated signage
31 Market Place Hatfield AL10 0LJ
Received 23 Aug 2021
Decided - Granted6/2018/1228/EM
Fell 1 x Conifer tree on boundary of number 2 and 3
2 Little Dell Welwyn Garden City AL8 7HZ
Received 9 May 2018
Decided - GrantedW6/2008/0990/EM
ERECTION OF SINGLE STOREY REAR EXTENSION.
67 GOLDEN DELL, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 4EE
Received 26 Jun 2008
Decided - Granted6/2023/1682/PN8
Prior approval for single storey rear extension measuring 4m in depth, 2.90m in height and 2.90m to the eaves
5 Peartree Court Welwyn Garden City AL7 3XN
Received 11 Aug 2023
Decided - GrantedW6/2015/0130/EM
Installation of a rooflight in sloping roof
1 Coneydale, Welwyn Garden City, AL8 7RX
Received 26 Jan 2015
Decided6/2024/0720/TC
Apple Tree (T1) - reduce crown by 50% (Pollard)
92 The Vineyard Welwyn Garden City AL8 7PU
Received 18 Apr 2024
Decided - Granted6/2015/1732/LAWP
Conversion of loft and installation of dormer windows
12 Endymion Road Hatfield AL10 8AS
Received 14 Aug 2015
Decided - GrantedN6/2004/0493/FP
ERECTION OF SINGLE STOREY FRONT AND SIDE EXTENSION AND LOFT CONVERSION TO EXISTING GARAGE
The Lodge 6 Pennyfathers Lane Welwyn AL6 0EN
Received 30 Mar 2004
Decided - Granted6/2016/0559/EM
Erection of rear conservatory
31 Middlefield, Welwyn Garden City, AL7 4DQ
Received 30 Mar 2016
Decided - GrantedN6/2015/0168/AD
Installation of non illuminated fascia and projecting signs to retail shop
13 Wigmores South, Welwyn Garden City, AL8 6PL
Received 28 Jan 2015
Decided - Granted6/2017/0279/TPO
Reduce crown of apple tree by 25% - Conservation Area
10 Dellcott Close Welwyn Garden City AL8 7BD
Received 14 Feb 2017
Decided - GrantedN6/2008/1183/DS
DISCHARGE OF CONDITION 2 OF PLANNING PERMISSION N6/2007/1918/FP (MATERIALS)
48 Blakemere Road, Welwyn Garden City, AL8 7PJ
Received 23 Jul 2008
Decided - Granted6/2016/0615/HOUSE
Erection of single storey side extensions, erection of single storey ground floor rear extension and erection of rear dormer windows following demolition of garage
20 Reynards Road Welwyn AL6 9TP
Received 6 Apr 2016
Decided - Granted6/2016/2112/TPO
Reduce Hornbeam crown by 30%, reduce four Oak trees by upto 30% and remove deadwood - Conservation Area
18 Scholars Mews Welwyn Garden City AL8 7JQ
Received 10 Oct 2016
Decided - GrantedN6/2015/0655/TC
Reduce size of overgrown hornbeam hedge to a manageable size hedge. Reduce by upto 35%
2 Elmwood, Welwyn Garden City, AL8 6LE
Received 25 Mar 2015
Decided - Granted6/2020/0756/LAWE
Certificate of lawfulness for existing use as a HMO (C4)
22 Fillingham Way Hatfield AL10 9GE
Received 19 Mar 2020
Decided - Granted6/2021/0599/EMT
Red Cedar (T1) to remove large low limb and lift other low branches on the crown by 1-2m and cut back branches by 1m. Conifer (T2) reduce the bances and give 1m clearance. Cherry Tree (T3) crown reduction by 2m to give 1m clearance. Fell dead purple plum (T4) and reduce overhanging brances on 2 large Sycamore tree by 2m (T5, T6)
Dellcott Tennis Club Dellcott Close Off Dognell Green Welwyn Garden City Hertfordshire AL8 7BL
Received 24 Feb 2021
Under Consideration6/2026/0161/EM
Erection of a single storey rear extension and a front porch
43 Moorlands Welwyn Garden City AL7 4PY
Received 30 Jan 2026
Decided - Refused6/2018/3250/EM
Erection of a single storey front and side extension
25 Elmwood Welwyn Garden City AL8 6LD
Received 20 Dec 2018
Decided6/2018/1772/TPO
Reduce 1 x Hornbeam tree (T1) back to previous cuts (approximately 3m from branch tips) and 1 x Holly tree (T2) by 3m in height and re-shape - conservation area
25&27 Sherrardspark Road Welwyn Garden City AL8 7JW
Received 5 Jul 2018
Decided - Granted6/2023/1402/HOUSE
Erection of double storey rear extension, single storey side extension, relocation of front entrance, false porch, and house to be coated with a render finish
10 Sunnyfield Hatfield AL9 5DX
Received 5 Jul 2023

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