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29,002 approved · 4,819 refused · 2,219 withdrawn.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: 8 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 Counts reflect the last collected status; some records may be out of date.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 - Refused6/2021/0050/EMT
Fell large oak tree
41 Bridge Road Welwyn Garden City AL8 6UG
Received 8 Jan 2021
Appeal Decided - Dismissed6/2021/0072/MAJ
Repair, refurbishment and conversion of Northaw House to form 11 apartments (including refurbishment of existing single caretaker’s flat) and underground parking area, the Ballroom Wing to form 2 dwellings, the Stable Block to form 1 dwelling, refurbishment of existing dwelling at Oak Cottage, construction of 2 new Gate Lodge dwellings, 4 new dwellings on the East Drive, 3 new dwellings within the Walled Garden, 7 new dwellings within the Settlement Area, refurbishment of the Walled Garden, refurbishment of access routes and reinstatement of old route, provision of hard and soft landscaping, car parking and supporting infrastructure.
Northaw House Coopers Lane Northaw Potters Bar EN6 4NG
Received 7 Jan 2021
Decided - Granted6/2021/0916/COND
Submission of details pursuant to condition number 37 (archaeological investigation) on planning permission 6/2017/1641/MAJ
Onslow St Audreys School Old Rectory Drive Hatfield AL10 8AB
Received 22 Mar 2021
Decided - Granted6/2023/2538/HOUSE
Erection of single storey front extension and two storey rear extension. Alterations to the roof to include raising the height of the existing roof, formation of two rear dormers, rooflights in the front roof slopes, garage conversion and alterations to the external fenestration.
13 Bradgate Cuffley Potters Bar Hertfordshire EN6 4RW
Received 20 Dec 2023
Decided - Refused6/2023/0488/HOUSE
Erection of gates and railings following demolition of existing boundary wall
49 Pine Grove Brookmans Park AL9 7BL
Received 3 Mar 2023
Decided - Withdrawn6/2018/1267/VAR
Variation of condition 10 (tenancy restriction) on planning permission N6/1994/0338/FP
8-18 (inclusive) Stanborough Close Welwyn Garden City AL8 6XB
Received 14 May 2018
Decided - Refused6/2018/0126/FULL
Redevelopment of the site including the erection of nine residential units (3 x 5-bedroom, 4 x 4-bedroom and 2 x 3-bedroom), following the demolition of the existing dwelling, supporting structures and associated ancillary buildings
36 The Ridgeway Cuffley Potters Bar EN6 4AX
Received 15 Jan 2018
Decided - Granted6/2019/1301/LAWP
Certificate of lawfulness erection of a single storey side extension
9 Thrush Lane Cuffley Potters Bar EN6 4JU
Received 3 Jun 2019
Decided - GrantedW6/2014/0711/TE
Reduce Willow and crown thin by upto 20%, reduce Ash tree to 25% plus lift one Conifer tree over hedge perimeter and include a further 4 Conifer trees for annual reduction
45 Digswell Rise, Welwyn Garden City, AL8 7PP
Received 12 Feb 2014
Decided - Granted6/2017/1554/LB
Installation of 1x non-illuminated fascia sign, 1x externally illuminated swing sign, 1x internally illuminated menu case and 1x non-illuminated internal sign, to replace existing advertisements.
The White Horse 30 Mill Lane Welwyn AL6 9ET
Received 17 Jul 2017
Appeal Decided - Dismissed6/2017/2025/HOUSE
Erection of a part first floor rear extension, raising of existing roof structure, installation of rear window and 1 x front rooflight to facilitate conversion of loft to habitable space.
5 Mary Proud Court Oak Piece Welwyn AL6 0XG
Received 11 Sept 2017
Appeal Decided - Allowed6/2018/1305/FULL
Erection of three flats including change of use from D1 (Non-residential institution) to C3 (Dwellinghouses) following the demolition of existing building
58 St Albans Road East Hatfield AL10 0EH
Received 17 May 2018
Appeal Decided - Dismissed6/2017/0141/EM
Retention of internal alterations and Rooflight
3 Digswell House Mews Monks Rise Welwyn Garden City AL8 7AT
Received 25 Jan 2017
Under Consideration6/2026/1741/EMT
Large Elm tree 30% reduction to previous pollarded due to declining health
8 The Orchard Welwyn Garden City AL8 7PL
Received 1 Oct 2026
Decided - Withdrawn6/2019/2200/LAWP
Certificate of lawfulness for single storey rear extension
45 Hill Rise Cuffley Potters Bar EN6 4EH
Received 4 Sept 2019
Decided - Granted6/2025/2571/EMT
Apple Tree - Remove the tree given state of branches, following the collapse of a large branch earlier this year
8 Mannicotts Welwyn Garden City AL8 7BW
Received 15 Dec 2025
Decided - Granted6/2025/2276/TPO
Crown reduce 1 x Indian Bean tree by 20-25%, TPO 675 (2017)
New Place Welwyn AL6 9QA
Received 27 Oct 2025
Under Consideration6/2022/2074/COND
Submission of details pursuant to condition 2 (landscaping) on planning permission N6/2013/1994/DE
The Frythe 5 Digswell Hill Welwyn AL6 9AR
Received 7 Sept 2022
Decided - Granted6/2017/2705/ADV
Installation of 2x internally illuminated fascia signs, 1x non-illuminated fascia sign, 2x internally illuminated pylon sign & 1x non-illuminated directional sign to replace existing
174 Great North Road Hatfield AL9 5JN
Received 21 Nov 2017
Decided - Granted6/2024/0115/FULL
Erection of a single storey side extension to the existing B8 storage and distribution barn
Lodge Farm Newgate Street SG13 8NQ
Received 22 Jan 2024
Decided - Granted6/2021/0073/COND
Submission of details pursuant to condition 1 (samples of external construction materials) on planning permission 6/2020/1365/FULL
34 Vineyards Road Northaw Potters Bar EN6 4PA
Received 12 Jan 2021
Decided - Granted6/2016/2240/EM
T1 - Beech - reduce crown by 30% for maintaining the size & shape
3A Russellcroft Road Welwyn Garden City AL8 6QN
Received 21 Oct 2016
Decided - Granted6/2017/1267/LB
Internal alterations including refurbishment of existing porch and demolition of existing external store rooms
The Sun Inn Judges Hill Northaw Potters Bar EN6 4NL
Received 12 Jun 2017
Decided - GrantedS6/2010/0323/LU
CERTIFICATE OF LAWFULNESS FOR THE EXISTING USE OF LAND FOR THE SITING OF TWO MOBILE HOMES FOR RESIDENTIAL UNITS IN ASSOCIATION WITH RIDING CENTRE
PONSBOURNE RIDING CENTRE, NEWGATE STREET VILLAGE, HERTFORD, HERTFORDSHIRE, SG13 8QR
Received 18 Feb 2010

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.

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Guides to planning records

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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
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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.
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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