Welwyn, Hertfordshire Planning Applications
Recent planning applications near Welwyn, Hertfordshire.
Hertfordshire · England · settlement
Planning applications in Welwyn are administered by Welwyn Hatfield Borough Council. View the full Welwyn Hatfield Borough Council planning applications page for approval rates and decision timelines.
About Welwyn
Welwyn is a charming village and civil parish located in Hertfordshire, England, encompassing nearby settlements such as Digswell, Mardley Heath, and Oaklands. Often referred to as Old Welwyn or Welwyn Village, it serves as a historical counterpart to the larger and more modern Welwyn Garden City situated just a mile to the south. This distinction is important for planning applications, as the two areas have different characteristics and community needs.
Population: 9,307 (2021)
District: Welwyn Hatfield
Enter a postcode to search for planning applications near Welwyn.
Town Insights
Property Prices
Average property sale price: £722,974 (based on 50 recent transactions from HM Land Registry).
Area Information
- Admin district: Welwyn Hatfield
- Parliamentary constituency: Welwyn Hatfield
- LSOA: Welwyn Hatfield 001D
Crime Statistics
0 crimes reported in 2026-05.
Flood Risk
No active flood warnings near Welwyn.
Keyword Scorecard
Planning constraint analysis based on the last 24 months of applications near Welwyn.
- Ecology & Wildlife Constraints (keywords: bats, bat survey, bat roost, great crested newt, GCN...)
- Trees & Landscape (keywords: tree preservation order, TPO, arboricultural, tree survey, root protection area...)
- Flood & Drainage (keywords: flood zone 2, flood zone 3, flood risk assessment, FRA, surface water...)
- Heritage & Conservation (keywords: listed building, grade II, grade II*, grade I, conservation area...)
- Green Belt (keywords: green belt, inappropriate development, very special circumstances, openness)
- Highways & Access (keywords: visibility splays, highway authority objection, access arrangement, parking provision, transport statement...)
- Refusal & Risk Indicators (keywords: refusal, delegated refusal, appeal dismissed, overdevelopment, character and appearance...)
- Planning Process & Appeals (keywords: appeal lodged, appeal allowed, appeal dismissed, public inquiry, inspector)
Planning Activity Summary
Approval rates, average decision times, and application type distribution for Welwyn based on the last 24 months of planning data.
Nearby Applications
18 planning applications found near Welwyn.
- - The Coach House Ellesfield Welwyn AL6 9HB
Reduce 1 x Horse chestnut by 2m Cut back 1 x Sycamore to 1m beyond boundary line.
Status: Undecided | Type: Trees | Council: Welwyn Hatfield | Date: 2026-06-18
View full details - - 16 The Green Welwyn AL6 9EA
Remove 1 x Weeping willow
Status: Undecided | Type: Trees | Council: Welwyn Hatfield | Date: 2026-06-17
View full details - - 24 Fulling Mill Lane Welwyn AL6 9NS
Submission of details pursuant to Condition 1 (Construction Management Plan), condition 2 (Samples of the materials), condition 3 (Hard and soft landscape), condition 4 (EV charging), condition 5 (veh
Status: Undecided | Type: Conditions | Council: Welwyn Hatfield | Date: 2026-04-24
View full details - - 59 Wilga Road Welwyn AL6 9PT
Single storey rear extension and side extension, following demolition of existing porch
Status: Undecided | Type: Full | Council: Welwyn Hatfield | Date: 2026-03-24
View full details - - 44 Carleton Rise Welwyn AL6 9RG
TPO1(1973) T2 - 25ft Oak tree to reduce to 12ft - the tree has previously been damaged (struck by lightning we assume) - its been reduced in the past but is now showing big holes in the base and into
Status: Undecided | Type: Trees | Council: Welwyn Hatfield | Date: 2026-03-18
View full details - - 63 Wilga Road Welwyn AL6 9PT
Prior approval for the erection of a flat roof single storey rear extension measuring 4.8m in depth, 3m in height and 2.50m to the eaves
Status: Undecided | Type: Outline | Council: Welwyn Hatfield | Date: 2026-03-05
View full details - - 11 The Green Welwyn AL6 9EA
T1 (A) - Yew, T2 (B) - Cherry and T3 (C) - Sycamore by approx 25% in height and width, reduce leylandii hedge labelled D by approx 3m in height
Status: Undecided | Type: Trees | Council: Welwyn Hatfield | Date: 2026-03-04
View full details - - 32 Wilga Road Welwyn AL6 9PS
Erection of two storey rear extension and single storey front extension
Status: Undecided | Type: Full | Council: Welwyn Hatfield | Date: 2026-03-02
View full details - - 48 Wilshere Road Welwyn AL6 9PX
Part single storey, part first floor and part two storey side and rear extensions and installation of rooflights
Status: Undecided | Type: Full | Council: Welwyn Hatfield | Date: 2026-02-19
View full details - - 32 Wilga Road Welwyn AL6 9PS
Submission of details pursuant to Condition 2 (Construction Management Plan) on planning permission 6/2025/0843/HOUSE
Status: Permitted | Type: Conditions | Council: Welwyn Hatfield | Date: 2026-01-06
View full details - - 19 Elmoor Avenue Welwyn AL6 9PG
T1 Sycamore to reduce height by 3 meters and lateral branches by 2 meters or 20% reduction. (TPO 675 (2017) G1)
Status: Undecided | Type: Trees | Council: Welwyn Hatfield | Date: 2025-12-15
View full details - - 32 Wilga Road Welwyn AL6 9PS
Submission of details pursuant to Condition 2 (Construction Management Plan) of planning permission 6/2025/0843/HOUSE.
Status: Rejected | Type: Conditions | Council: Welwyn Hatfield | Date: 2025-09-30
View full details - - 26 Codicote Road Welwyn AL6 9NQ
Prior approval for demolition of a building
Status: Permitted | Type: Outline | Council: Welwyn Hatfield | Date: 2025-09-29
View full details - - Greenways Kimpton Road Oakhills Welwyn Hertfordshire AL6 9NN
Use of outbuilding as ancillary annexe including alterations to roof and fenestration and installation of solar panels and external cladding
Status: Conditions | Type: Full | Council: North Hertfordshire | Date: 2025-01-20
View full details - - Mayfield Kimpton Road Oakhills Welwyn Hertfordshire AL6 9NN
Erection of detached garage/office/store following demolition of existing detached double garage and store (renewal of previously approved planning permission 21/00624/FPH granted 20.04.2021)
Status: Conditions | Type: Full | Council: North Hertfordshire | Date: 2024-10-31
View full details - - The Manor House Ellesfield Welwyn AL6 9HB
Fell Maple with Armillaria. Dead bark peeling away revealing the rhizomorphs and dead limbs above the dead bark. In serious danger of falling over, and will cause a lot of costly damage to plant life
Status: Permitted | Type: Trees | Council: Welwyn Hatfield | Date: 2024-10-07
View full details - - Wayside Kimpton Road Oakhills Welwyn Hertfordshire AL6 9NN
Two storey side extension to include formation of single attached garage and single storey rear extension following demolition of existing front attached garage and existing rear conservatory (renewal
Status: Conditions | Type: Full | Council: North Hertfordshire | Date: 2023-10-04
View full details - - 13 Elmoor Avenue Welwyn AL6 9PG
Erection of single storey front, side/rear extension with roof lights
Status: Permitted | Type: Full | Council: Welwyn Hatfield | Date: 2023-09-20
View full details
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A brief summary of Welwyn in Hertfordshire
Welwyn is a charming village and civil parish located in Hertfordshire, England, encompassing nearby settlements such as Digswell, Mardley Heath, and Oaklands. Often referred to as Old Welwyn or Welwyn Village, it serves as a historical counterpart to the larger and more modern Welwyn Garden City situated just a mile to the south. This distinction is important for planning applications, as the two areas have different characteristics and community needs. The settlement has a population of approximately 9,307 (2021 estimate). It sits within the Welwyn Hatfield district.
Property prices in Welwyn show an average sale price of £722,974, based on 50 recent transactions recorded by HM Land Registry.
There were no crimes reported in the immediate area during the most recent reporting period. This makes Welwyn a particularly low-crime area.
Welwyn has 2 conservation areas within its boundaries: Welwyn, Codicote. Planning applications within or near these conservation areas are subject to additional scrutiny to preserve the architectural and historic character of the area. Homeowners and developers should be aware that permitted development rights may be restricted.
Ecology & Nature Designations
The area around Welwyn includes 4 Ancient Woodland sites. These designations may affect planning decisions, as proposals near protected sites require environmental impact assessment and may face additional restrictions.
For anyone interested in property development or monitoring local planning decisions, Welwyn planning applications can be searched by entering a local postcode above. Results include full application details, decision status, and the ability to track applications over time and set planning alerts to help you monitor and review pending planning applications.
Planning Activity in Welwyn
In the last 24 months, 64 planning applications were submitted near Welwyn. Of these, 85% were approved, with an average decision time of 51 days.
This is broadly in line with the national average of approximately 87%. Welwyn maintains a standard approach to planning decisions.
The average decision time of 51 days is within the government's 8-week statutory target for minor applications, indicating an efficient planning department.
The most common application types near Welwyn were tree works (21), full planning applications (20), discharge of conditions (13). The significant number of tree-related applications is typical for areas with mature tree cover or active tree preservation orders.
In terms of development scale, 1 medium-scale application, 26 smaller schemes were submitted. The absence of major applications suggests the area is primarily characterised by smaller-scale improvements and extensions rather than large new developments.
Application Outcomes
- Approved: 28 applications
- Refused: 5 applications
- Awaiting decision: 31 applications
Nearby Towns
Explore planning applications in nearby areas:
- Danesbury planning applications
- Ayot St Peter planning applications
- The Frythe planning applications
- Oaklands planning applications
- Codicote Bottom planning applications
- Pottersheath planning applications
- Codicote planning applications
- Ayot Green planning applications
Related Planning Guides
- What Is Planning Permission in the UK? — Planning permission is the formal approval you need from your local council before making certain changes to a building or piece of land.
- What Is Permitted Development? — Permitted development rights allow certain building works and changes of use without the need to apply for planning permission.
- How Long Does Planning Permission Take? — Typical timelines for planning permission decisions in the UK, from submission to approval, and what can cause delays.