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29,002 approved · 4,819 refused · 2,219 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 - Withdrawn6/2018/1686/HOUSE
Erection of single storey side and rear extension
21 Rollswood Road Welwyn AL6 9TX
Received 25 Jun 2018
Decided - RefusedN6/2008/0922/AD
ERECTION OF SITE BOARD
10 Wendover Lodge Church Street Welwyn AL6 9LR
Received 11 Jun 2008
Decided - Granted6/2023/0710/HOUSE
Retention of garden building
17 Woodland Rise Welwyn Garden City AL8 7LJ
Received 29 Mar 2023
Decided - WithdrawnN6/2014/1550/AD
Installation of internally illuminated signage
52-54 Howardsgate, Welwyn Garden City, AL8 6BP
Received 10 Jul 2014
Decided - Granted6/2021/2786/HOUSE
Erection of a single storey rear extension
12 Marley Road Welwyn Garden City AL7 4BS
Received 28 Sept 2021
Decided - GrantedS6/2008/1019/FP
ERECTION OF FRONT AND SIDE EXTENSION, FIRST FLOOR REAR EXTENSION AND ALTERATIONS TO ROOF TO INCOPROATE A REAR DORMER AND ROOFLIGHTS
70 BROOKMANS AVENUE, BROOKMANS PARK, HERTFORDSHIRE, AL9 7QQ
Received 1 Jul 2008
Decided - Granted6/2015/1511/EM
Proposed hardstanding to front of property with option 1 porous blocks and option 2 gravel.
35 Broomhills, Welwyn Garden City, AL7 1RG
Received 20 Jul 2015
Decided - Granted6/2021/0046/TPO
T2 - Sycamore - crown reduce by 30% to maintain size and shape T3 - Larch - fell T4 - Sweet Chestnut - prune back to previous reduction points to maintain size T5 - Hornbeam - prune back to previous reduction points to maintain size T6 - Sweet Chestnut - cut back on one side by 2-3 metres
4 Firway Close Welwyn AL6 0RE
Received 6 Jan 2021
Decided - Granted6/2016/2570/EM
Fell 2 Holly trees
27 Woodland Rise Welwyn Garden City AL8 7LJ
Received 30 Nov 2016
Decided - Granted6/2022/1417/PN24
Prior approval for installation of A 287.18 kWp Solar PV on the roof of Davall Gears Limited's building, along with all associated electrical works.
The Davall Stock Gear Co Travellers Lane Welham Green Hatfield AL9 7JB
Received 20 Jun 2022
Decided - Refused6/2021/0134/LAWP
Certificate of lawfulness for the erection of a single storey rear extension and garage conversion and relocation of fence, gate with new side canopy.
5 Twin Foxes Knebworth SG3 6QT
Received 18 Jan 2021
Decided - GrantedN6/2014/2743/FP
Change of use from office use (B1) to a church and community centre (D1)
20 Tewin Road Welwyn Garden City AL7 1LG
Received 22 Dec 2014
Decided - Granted6/2021/1829/HOUSE
Demolition of rear conservatory and erection of single storey rear extension and front lean to porch.
18 Worcester Road Hatfield AL10 0DX
Received 14 Jun 2021
Decided - Granted6/2024/2401/EMT
Reduce 1 x Ash by 1.5m in height and width Remove 1 x Cherry to ground level (retrospective)
35 Digswell Park Road Welwyn Garden City AL8 7NW
Received 18 Dec 2024
Appeal Decided - DismissedS6/2008/1653/FP
CHANGE OF USE FROM TEMPORARY SALES OFFICE TO CONCIERGE OFFICE
BEDWELL PARK, CUCUMBER LANE, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6GJ
Received 22 Aug 2008
Decided - Granted6/2021/2429/COND
Submission of details pursuant to condition 19 (External Lighting) on planning permission 6/2021/0529/VAR
Hill-Top Neighbourhood Centre Hatfield AL10 8HZ
Received 18 Aug 2021
Decided - GrantedC6/1988/0469/FP
Single storey side extension to form a double garage
74 Maple Grove, Welwyn Garden City, AL7 1NL
Received 1 Jan 1988
Decided - GrantedN6/2003/0962/FP
DEMOLITION OF EXISTING CLASS A1 RETAIL FLOORSPACE INCLUDING PART OF THE J.H. SAINSBURY'S SUPERMARKET, AND CLASS B1(A) 0FFICE FLOORSPACE AT NOS. 32 - 40 CHURCH ROAD; MAJOR REFURBISHMENT INCLUDING ALTERATIONS AND EXTENSIONS TO PROVIDE NEW RETAIL FLOORSPACE WITH IMPROVED ACCESS OBTAINED VIA NEW PUBLIC LIFTS, STAIRCASES AND TRAVELATOR FROM BASEMENT CAR PARK TO GROUND FLOOR LEVEL; EXTENSION TO EXISTING BASEMENT CAR PARK ALONG WITH REMODELLED CAR PARKING LAYOUT AT GROUND FLOOR LEVEL, WITH REALIGNED ENTRANCE / EXIT ONTO FRETHERNE ROAD AND CHURCH ROAD; CONSTRUCTION OF NEW INDEPENDENT CLASS B1(A) OFFICE FLOORSPACE OVER NEW RETAIL FLOORSPACE; ERECTION OF NEW 2-STOREY FREESTANDING BUILDING TO ACCOMMODATE 3 X CLASS A1 RETAIL UNITS AND 2 X CLASS A3, A4 or A5 UNITS ALONG WITH PAVEMENT CAFÉ FACILITY; CREATION OF NEW LANDSCAPED SQUARE AND ADDITIONAL LANDSCAPING
LAND ADJOINING FRONTAGE ONTO PARKWAY, CHURCH ROAD AND FRETHERNE ROAD, 32-40 CHURCH ROAD, (DEMOLITION), WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6PW
Received 2 Feb 2004
Decided - Granted6/2024/1630/EM
Replacement and extension of existing shed, addition of a tool shed and garden office
12 Nut Grove Welwyn Garden City AL8 7SQ
Received 27 Aug 2024
Decided - Granted6/2023/0053/HOUSE
Erection of a front porch
7 High Oaks Road Welwyn Garden City Hertfordshire AL8 7BJ
Received 10 Jan 2023
Decided - Granted6/2026/0494/TPO
T1 - Pine to reduce in height by 6-7m from branch tips, reduce north facing laterals (towards house) by up to 2m from branch tips and up to 1m on remaining laterals. T2- Scots Pine to crown reduce height by 2m from branch tips and laterals by up to 1m. Remove deadwood T4- Sycamore dismantle to 5ft stump TPO260 W1
51 New Road Digswell Welwyn AL6 0AQ
Received 17 Mar 2026
Decided - GrantedN6/2009/1976/FP
ERECTION OF TWO STOREY SIDE EXTENSION
43 GREAT DELL, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7HP
Received 18 Sept 2009
Decided - Refused6/2018/1514/EM
Formation of 2 car hardstanding and removal of hedge
96 Mill Green Road Welwyn Garden City AL7 3XE
Received 6 Jun 2018
Decided - Granted6/2023/0206/HOUSE
Erection of ground floor rear extension, first floor rear extension, modification of existing single storey side wing and new window to front elevation.
48 Caponfield Welwyn Garden City AL7 4AP
Received 27 Jan 2023

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

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