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Planning application

21/00694/CLPD

179 Ascot Crescent Stevenage Herts SG1 5SY

Granted Stevenage Cert. of Lawful PROPOSED development

Proposal

Certificate of lawfulness for proposed single storey rear extension

As published by the council, reference 21/00694/CLPD

Timeline

Dates from the published record

  1. 18 Jun 2021

    Received by Stevenage

  2. 3 Aug 2021

    Decision issued: Certificate of Lawfulness Approved

  3. 30 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

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.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 21/00758/FPH Granted

    4 Glanville Crescent Stevenage Herts SG1 4FW

    Single storey rear extension

    8 Jul 2021 336m away Householder
  • 21/00668/FP Withdrawn

    42 Sandown Road Stevenage Herts SG1 5SF

    Erection of 2 no. 3 bedroom and 1 no. 4 no dwellings, associated vehicle access and ancillary works.

    11 Jun 2021 344m away Full applications
  • 26/00492/CLPD Granted

    42 Brimstone Drive Stevenage Herts SG1 4FX

    Lawful Development Certificate (Proposed) for loft conversion with rear dormer and 3 velux to front

    30 Jun 2026 383m away Lawful development
  • 23/00138/FPH Granted

    7 Grayling Way Stevenage Herts SG1 4FR

    Partial Garage Conversion

    14 Feb 2023 432m away Householder
  • 21/00752/FPH Granted

    38 Mildmay Road Stevenage Herts SG1 5TW

    Proposed single storey front extension

    7 Jul 2021 475m away Householder
  • 23/00096/FPH Granted

    2 Mildmay Road Stevenage Herts SG1 5TW

    Proposed part single-storey, part two-storey front extension and retention of existing boundary wall.

    30 Jan 2023 496m away Householder

In Stevenage

  • 26/00564/CLEU Awaiting decision

    1 Sish Close Stevenage Herts SG1 3LT

    Lawful Development Certificate (Existing) for a Two storey side and rear extension

    28 Jul 2026 Lawful development
  • 26/00553/CLPD Awaiting decision

    8 Pigeonswick Close Stevenage Herts SG1 2GU

    Lawful Development Certificate (Proposed) for single storey rear extension

    27 Jul 2026 Lawful development
  • 26/00555/CLPD Awaiting decision

    25 Neptune Gate Stevenage Herts SG2 7SH

    Lawful Development Certificate (Proposed) for loft conversion

    27 Jul 2026 Lawful development
  • 26/00492/CLPD Granted

    42 Brimstone Drive Stevenage Herts SG1 4FX

    Lawful Development Certificate (Proposed) for loft conversion with rear dormer and 3 velux to front

    30 Jun 2026 Lawful development
  • 26/00524/CLPDFT Granted

    75 Wheatlands Stevenage Herts SG2 0JU

    Lawful Development Certificate (Proposed) construction of loft conversion.

    14 Jul 2026 Lawful development