Annexe At Cuckoo Hall 73 Park Lane Old Knebworth Hertfordshire SG3 6PP
Approved on 22 April 2026
Council decision: Conditional Permission10 conditions
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
Proposal
Erection of one self-build dwelling including ancillary annexe following demolition of existing dwelling to including parking, hard and soft landscaping and installation of rear swimming pool.
- Received
- 27 February 2026
- Public comments
- 4
- Ward
- Knebworth Ward
- Agent
- DLA Town Planning Ltd
- ReceivedReceived27 Feb
- ValidatedValidated27 Feb
- Consult.Consultation1 Apr
- TargetTarget Date24 Apr
- DecidedDecided22 Apr
Decided in 54 days (council typically 49)
About this application
This is a full planning application for demolition at Annexe At Cuckoo Hall 73 Park Lane Old Knebworth Hertfordshire SG3 6PP. North Hertfordshire has handled 2,848 applications of this type. This one was decided in 54 days, 5 days longer than North Hertfordshire's typical decision time. There have been 2 other applications at this address. In the past year there have been 90 applications across Knebworth Ward. We hold 149 applications in total for the SG3 postcode area.
92% of full applications at North Hertfordshire District Council were approved. Across all application types, the council typically decides in about 7 weeks (median).
Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street
Application details
- Postcode
- SG3 6PP
- Application type
- Full Planning Permission
- Scale / size
- Small
- Parish
- Knebworth Parish Council
Planning application dates
- Date validated
- 27 February 2026
- Consultation expiry
- 1 April 2026
- Consultation end
- 1 April 2026
- Neighbour consultation end
- 1 April 2026
- Last date for comments
- 1 April 2026
- Target decision date
- 24 April 2026
Applicant and agent
- Agent
- DLA Town Planning Ltd
- Agent address
- 5 The Gavel Centre Porters Wood St Albans AL3 6PQ United Kingdom
Planning decision
- Statutory period
- 56 days
Publicity
- Site notice end
- 1 April 2026
Additional information
- Planning Portal ID
- PP-14587692
- Documents
- 20
Site constraints
Designations that overlap or adjoin the site outline.
- Green belt: North Hertfordshire
- Flood zone 1: Low probability (rivers and sea)
Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.
Possibly incomplete for this council: tree preservation orders.
Also checked, none recorded (21)
flood storage areas, conservation areas, listed buildings, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.
A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.
Data © Crown copyright and others · sources and licences
Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.
© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.
© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.
© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.
Contains Ordnance Survey data © Crown copyright and database right 2026.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
Planning history at this site
2 other applications at this property, newest first.
Source: North Hertfordshire
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Around this site
Nearby applications
- Annexe At Cuckoo Hall 73 Park Lane Old Knebworth Hertfordshire SG3 6PP25/01330/FPH · FullApproved0.0 mi
- Land Adjacent To 67 Park Lane Knebworth Hertfordshire SG3 6PW25/02615/FP · FullApproved0.1 mi
- 66 Park Lane Knebworth Hertfordshire SG3 6PW23/02946/OP · OutlineApproved0.1 mi
- Annexe At Cuckoo Hall 73 Park Lane Old Knebworth Hertfordshire SG3 6PP24/01662/LDCE · AmendmentApproved0.2 mi
- 1 Gipsy Lane Knebworth Hertfordshire SG3 6PL25/02748/FPH · FullApproved0.2 mi
For applicants and trades
For the applicant
Need a landscaping scheme? Landscape architects near this site
Condition 9 on the decision asks for this.
Consultants on this application
- DLA Town Planning Ltd · Agent for this application
- 7.0 miHarpenden
- 8.2 miSt. Albans
- 14.1 miDunstable
Nearest first, within 25 miles of the site. Every firm is listed free.
Contractors near this project
Find contractors for new builds near this site- Avelex Electrical LtdElectrician0.3 mi
- Barnett Technical ServicesElectrician0.4 mi
- Leyden Electrical Installations LtdElectrician0.4 mi
- Robinz LtdElectrician0.5 mi
Planning something similar?
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