Planning application
5/2016/3091
12 Willoughby Road Harpenden Hertfordshire Al5 4Pf
Proposal
Certificate of Lawfulness (proposed) - Single storey rear and side extension (prior approval given 5/2016/2391 dated 29/09/2016), insertion of skylight and french doors to existing extension
As published by the council, reference 5/2016/3091
Timeline
Dates from the published record
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12 Oct 2016
Received by St Albans
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13 Oct 2016
Validated
Checked as complete and ready for consideration.
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8 Dec 2016
Decision issued: Cert of Lawfulness - Refused
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30 Jul 2026
Added to PlanIndex
What refusal means
The process from here
The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.
Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.
About lawful development applications
How this application type works
A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.
Nearby applications
Within 500 metres
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5/2026/1255 Decided
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Variation of Conditions 1 (approved plans),2 (materials compliance),4 (levels compliance),5 (access),6 (hard and soft landscaping) for planning permission 5/2025/1100 dated 13/08/2025 for Variation of Condition 2 (approved plans) to allow adjustments to
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5/2026/1314 Decided
46 Lea Road Harpenden Hertfordshire Al5 4Pg
Certificate of Lawfulness (proposed) - Hip to gable Loft conversion with rear dormer & 3 velux to front
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5/2017/2493 Granted
17 Lea Road Harpenden Hertfordshire Al5 4Pq
Certificate of Lawfulness (proposed) - Single storey side extension with rooflights
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5/2026/0631 Decided
28 Wroxham Way Harpenden Hertfordshire Al5 4Pp
Proposed two storey side and rear extension and single storey rear extension, alterations to patio, boundary treatments and landscaping.
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5/2026/0301 Granted
5 Wroxham Way Harpenden Hertfordshire Al5 4Pp
Certificate of Lawfulness (proposed) - Part of the existing garage to be converted with new rear window and side door to access the converted part of the garage
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5/2025/1634 Decided
Four Oaks Farm Bower Heath Harpenden Hertfordshire Al5 5Fg
Demolition of agricultural building and removal of earth bunds and erection of two dwellings with associated landscaping, driveways, garaging and parking areas and change of use of agricultural land to residential use for domestic gardens
Other lawful development applications
In St Albans
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5/2026/1430 Decided
42 Holywell Hill St Albans Hertfordshire Al1 1Bx
Certificate of Lawfulness (proposed works to a Listed Building) - Replace master bathroom suite on 1st floor of property. Modern bathroom to be replaced with new suite, including new shower cubicle. It will use existing water and waste routes , and tiling
-
5/2026/0901 Granted
37 Saxon Road Wheathampstead Hertfordshire Al4 8Nz
Certificate of Lawfulness (proposed) - Timber framed garden room to be built on ground screw foundation. Dimensions 3m x 4.2 & under 2.5m in height. This will be 1.4m distance from boundary to neighbour. This will be situation at the end of the garden
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5/2026/1399 Decided
10 Birchwood Way Park Street St Albans Hertfordshire Al2 2Sg
Certificate of Lawfulness (proposed) - Loft conversion with rear dormer and 3No. roof lights to front elevation
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5/2026/1031 Granted
5 Flamsteadbury Lane Redbourn Hertfordshire Al3 7Dh
Certificate of Lawfulness (proposed) - Construction of single storey rear 3m extension, maximum eaves height 3m and maximum ridge height 4m
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5/2026/1035 Refused
30 Culver Road St Albans Hertfordshire Al1 4Ed
Certificate of Lawfulness (proposed) - Loft conversion with rear dormer and two velux to front