Search Mardleybury planning applications
14 applications received or decided in the last 12 months · within 1 km of the centre of Mardleybury · updated daily · Welwyn Hatfield Borough Council
Only 8 applications in the last 90 days, so this shows the last 12 months.
- 59 Nutcroft Datchworth Hertfordshire SG3 6TQAwaiting decisionDemolition of garage and construction of single storey side and rear extension with removal of first floor windowReceived 9 Nov 20263/26/1562/HH
- 13 Broadfield Road Woolmer Green SG3 6LZAwaiting decisionErection of front porch extension, rear single-storey extension and two-storey side extensionHOUSEHOLDER APPLICATIONReceived 21 Oct 20266/2026/1891/HOUSE
- 13 Broadfield Road Woolmer Green SG3 6LZAwaiting decisionCertificate of lawfulness for proposed loft conversion to include a rear dormer and front facing rooflightsLAWFUL DEVELOPMENT - PROPOSEDReceived 19 Oct 20266/2026/1889/LAWP
- 16 Oak Road Woolmer Green SG3 6LSApprovedErection of part single, part two storey rear extension, new windows and doors to existing side and rear elevations and installation of rooflight within the rear roofslopeHOUSEHOLDER APPLICATIONReceived 21 Aug 2026Decided 16 Oct 20266/2026/1472/HOUSE
- 14 Foldingshott Datchworth Hertfordshire SG3 6SRApprovedVariation of condition 2 (approved plans) pursuant to planning permission (ref: 3/26/0652/HH/Dated 31/07/2026) for (Part single/part two storey rear extension and alterations to fenestration). The amendments include changes from a flat roof to a pitched roof incorporating rooflightsReceived 21 Aug 2026Decided 16 Oct 20263/26/1159/VAR
Planning in Mardleybury
- Approved
- 82%
- 14 of 16 decided
- Decision time
- about 10 weeks
- on average
Applications within 1 km of the centre of Mardleybury in the last 24 months, from Welwyn Hatfield Borough Council's planning register.
Decided by Welwyn Hatfield Borough CouncilCouncil page
Around Mardleybury
Postcode districts
SG3 90 applications in the last 12 months
Applications in each district in the last 12 months.
Nearby towns and villages
Planning authority: Welwyn Hatfield Borough Council
For home projects and trades
- Architects in MardleyburyFor planning applications, extensions and new builds.
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Application types: Rear extensionsLoft conversionsHouseholder applicationsTree works & TPOListed building consentChange of useAnnexes & granny flatsSolar panelsBarn conversionsBasement extensions
About Mardleybury
Mardleybury is a settlement located in Hertfordshire, England.
Property prices in Mardleybury show an average sale price of £471,069, based on 50 recent transactions recorded by HM Land Registry. There are currently no active flood warnings for the Mardleybury area, indicating a relatively low flood risk at present. This is a positive factor for both existing residents and those considering property purchases or new developments.
In terms of safety, there were no crimes reported in the immediate area during the most recent reporting period (May 2026). This makes Mardleybury a particularly low-crime area, which is often reflected in its desirability and property values.
The area around Mardleybury has 6 nature designations nearby, which may affect how planning applications are assessed.
For anyone interested in property development or monitoring local planning decisions, Mardleybury 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.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
To comment on or object to a planning application near Mardleybury, open it in the list above: each one links to the council's own page for it and shows any comment deadline.
In the last 24 months, 23 planning applications were submitted near Mardleybury. Of these, 82% were approved, with an average decision time of 71 days.
The most common types were outline applications (4), discharge of conditions (3), full planning applications (2). 1 large-scale development was submitted during this period.