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

35,715Searchable applications

331Recorded as pending

86%Approval rate · 29,756 approved or refused records

4,033Refused applications

25,723 approved · 4,033 refused · 1,870 withdrawn. Received dates in our records: 29 Apr 1948 to 16 Oct 2026. Most recent record check: 23 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 Counts reflect the last collected status; some records may be out of date.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 - GrantedS6/2013/2683/FP
Erection of single storey side extension
54 Dixons Hill Close, Welham Green, Hatfield, AL9 7DR
Received 24 Dec 2013
Appeal Decided - Dismissed6/2016/2599/HOUSE
Erection of a detached double garage in the front garden
17 Carbone Hill Northaw Potters Bar EN6 4PJ
Received 6 Dec 2016
Decided - Granted6/2025/1489/COND
Submission of details pursuant to condition 1 (details of replacement windows) & condition 2 (details of replacement doors) on application ref: 6/2024/1850/VAR
Templewood Primary School Pentley Park Welwyn Garden City AL8 7SD
Received 8 Jul 2025
Decided - Withdrawn6/2024/0950/FULL
DUPLICATE Change of use from 6 resident House in Multiple Occupation (HMO) (C4) to 8 resident HMO (Sui-Generis)
60 Wood Close Hatfield AL10 8TX
Received 21 May 2024
Decided - Split6/2018/1485/COND
Submission of details pursuant to condition 1 (Materials samples) and 2 (Tree Protection Statement) on planning application 6/2018/0773/HOUSE
9 Ashley Close Welwyn Garden City AL8 7LH
Received 4 Jun 2018
Decided - Granted6/2016/0367/TPO
Fell Leyland Cypress tree - Conservation Area
12 Barleycroft Green, Welwyn Garden City, AL8 6JY
Received 7 Mar 2016
Decided - Granted6/2021/2396/EM
Installation of new driveway following the removal of hedge
49 The Wade Welwyn Garden City AL7 4LG
Received 13 Aug 2021
Decided - GrantedN6/2013/1182/OR
Prior approval for conversion of existing offices (Use Class B1a) ito five residential units 2 x 2 bed and 3 x 1 bed (Use class C3)
12, 12a, 12b, 14, 14a, 14b and 22 Prospect Place, Welwyn, AL6 9EN
Received 11 Jun 2013
Decided - Granted6/2020/2571/COND
Submission of details pursuant to condition 1 (materials) on planning permission 6/2019/1270/HOUSE, dated 13 August 2019
6 Hazel Close Digswell Welwyn AL6 0DJ
Received 5 Oct 2020
Decided - GrantedS6/2014/1423/TP
To fell oak tree (T1) covered by TPO 300
2 Georges Wood Road, Brookmans Park, Hatfield, AL9 7BZ
Received 25 Jun 2014
Decided - Granted6/2018/0951/TPO
Tree A (Sycamore) Bottom limb to be reduced by approximately 2-3m. Over extended branch directly above rear access to property. Tree B (Oak) Reduction of branch overhanging kids play area by 2-3m. Over extended branch will be reduced to mitigate potential failure over playing area. Tree C (Horse Chestnut) Crown lift to 4m and reduction of overextended branch located above walkway by approximately 2-3m. Tree D (Horse Chestnut) Removal of extensively decayed top by 1.5m in Height (previously failed). Singular reaming leading stem to be reduced by 4-5m snapped. Tree E (Sycamore) Reduce crown by 6m in height. Tree has extensive decay within the trunk at approximately 6m. Failure of leading stem has occurred leaving an asymmetrical crown. Tree F (Sycamore) Fell. Removal is required due to extensive lean towards property. Decay is evident within the root plate. Hollowing at the base is a concern. There are visual symptoms of decay.
London Lodge Essendon Place High Road Essendon Hatfield AL9 6HU
Received 9 Apr 2018
Decided - GrantedS6/2008/0118/LB
INTERNAL ALTERATIONS
GREAT NAST HYDE HOUSE, WILKINS GREEN LANE, HATFIELD, HERTFORDSHIRE, AL10 9RB
Received 21 Jan 2008
Decided - GrantedN6/2014/1720/S73A
Variation of condition 1 of planning permission N6/2013/1644/S73A (Removal of Condition 1 (Time Limit) of planning permission N6/2010/2958/S73A (Variation of condition 2 (Time Limit) from planning permission N6/2005/0241/FP for formation of new area for car parking))
Car Park E, Shire Park, Falcon Way, Welwyn Garden City, AL7 1AB
Received 30 Jul 2014
Decided - Granted6/2022/1744/LAWP
Certificate of lawfulness for proposed rear dormer to existing rear roof slope Insertion of landing window with obscure glass to existing side elevation
39 Warrengate Road North Mymms Hatfield AL9 7TT
Received 25 Jul 2022
Decided - Granted6/2016/1988/HOUSE
Extension of existing single storey rear extension with alterations to openings, external walls and roof.
13 Stacklands, Welwyn Garden City, AL8 6XW
Received 27 Sept 2016
Decided - GrantedS6/2015/1295/FP
Removal of existing rooflight and installation of side facing dormers
134 Brookside Crescent Cuffley Potters Bar EN6 4QL
Received 16 Jun 2015
Decided - RefusedN6/2008/1176/FP
ERECTION OF REAR CONSERVATORY AND CONVERSION OF GARAGE TO HABITABLE ROOM
5 ELSONS MEWS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 1FP
Received 11 Jul 2008
Decided - Refused6/2017/2147/EM
Formation of turnaround area
55 Peartree Lane Welwyn Garden City AL7 3UA
Received 22 Sept 2017
Decided - Granted6/2021/1032/HOUSE
Erection of first floor rear extension
21 Bluebridge Road Brookmans Park AL9 7UW
Received 29 Mar 2021
Decided - Refused6/2020/0036/HOUSE
Erection of a front porch, single storey rear extension and formation of a rear dormer and rooflights to facilitate a loft conversion
196 Blythway Welwyn Garden City AL7 1DU
Received 9 Jan 2020
Decided - GrantedN6/2013/1318/FP
Installation of new roller shutter door and plant comprising of 3 odour control units and 1 new chimney following removal of 2 existing chimneys and a lean to building
Gilbertson & Page Ltd, 45-55 Brownfields, Welwyn Garden City, AL7 1AN
Received 24 Jun 2013
Decided - Granted6/2021/3385/COND
Submission of details pursuant of condition 3 (materials) from permission 6/2018/1808/HOUSE - Approved by appeal reference APP/C1950/D/18/3217775
5 Oakwell Drive Northaw Potters Bar EN6 4EZ
Received 1 Dec 2021
Decided - Granted6/2021/2184/HOUSE
Erection of a two storey side extension
51 Woods Avenue Hatfield AL10 8QF
Received 19 Jul 2021
Decided - Granted6/2024/1573/HOUSE
Erection of a two storey front and rear extension, first floor side and single storey rear extension following demolition of existing conservatory, chimney removal and alterations to openings
17 Thrush Lane Cuffley Potters Bar EN6 4JT
Received 19 Aug 2024

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

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Guides to planning records

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Planning permission drawings: how to read plans
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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