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Planning application

DM/26/00416/CPO

13 Simpasture Gate Newton Aycliffe DL5 5HH

Refused County Durham Certificate of Lawfulness Proposed Opera

Proposal

Demolition of existing conservatory with replacement single storey rear extension

As published by the council, reference DM/26/00416/CPO

Timeline

Dates from the published record

  1. 20 Feb 2026

    Received by County Durham

  2. 23 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 20 Apr 2026

    Decision issued: Refused

  4. 20 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.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • DM/26/00939/FPA Granted

    13 Simpasture Gate Newton Aycliffe DL5 5HH

    Demolition of conservatory with replacement single storey extension

    13 Apr 2026 0m away Full applications
  • DM/25/02431/DRC Awaiting decision

    Garage Block Finchale Road Newton Aycliffe

    Discharge of condition 3 (Nutrient Nutrality Certificate), 4 (Construction Management Plan), 6 (HMMP), 8 (Phase 1 & 2 Ground investigation), 9 (Ground remediation), 10 (Drainage Plan), 12 (Sustainability Statement), and 15 (Cycle storage Plan) pursuant to Planning Permission DM/24/01014/FPA.

    2 Sep 2025 231m away Conditions
  • DM/26/00508/DRC Awaiting decision

    Garage Block Finchale Road Newton Aycliffe

    Discharge of condition 7 (landscaping scheme) and condition 9 (land remediation) pursuant to planning permission DM/24/01014/FPA.

    2 Mar 2026 231m away Conditions
  • DM/26/01576/DRC Awaiting decision

    Garage Block Finchale Road Newton Aycliffe

    Discharge of conditions 16 (Water flow regulator) and 18 (HMMP Verification) pursuant to planning permission DM/24/01014/FPA.

    17 Jun 2026 231m away Conditions
  • DM/26/00487/FPA Granted

    Safestyle UK Unit 12 Northfield Way Aycliffe Business Park Newton Aycliffe DL5 6EJ

    Change of use from warehouse (Use Class B8) to indoor padel centre for three singles courts (Use Class E(d)).

    27 Feb 2026 257m away Full applications
  • DM/25/03200/DRC Granted

    Garage 2 Garage Block Bewick Crescent Newton Aycliffe

    Discharge of condition 5 (verification report) and condition 14 (parking sign locations) pursuant to planning permission DM/23/02935/FPA.

    13 Nov 2025 283m away Conditions

In County Durham

  • DM/26/01728/CPO Awaiting decision

    East Farm House 127 Manor Road Medomsley Consett DH8 6QL

    Certificate of Lawfulness for the proposed change of use from a children's care home to an adults' care home (Use Class C2) for up to four adults with special needs, including associated internal alterations.

    6 Jul 2026 Lawful development
  • DM/26/01088/CPO Granted

    16 Wackerfield Darlington DL2 3AP

    Installation of roof-mounted solar photovoltaic (PV) panels and associated works

    29 Apr 2026 Lawful development
  • DM/26/01703/CPO Awaiting decision

    Aycliffe Village Primary School North Terrace Aycliffe Village Newton Aycliffe DL5 6LG

    Instillation of timber playground equipment.

    2 Jul 2026 Lawful development
  • DM/26/00515/CEU Refused

    17 Generation Place Consett DH8 5XT

    Use of dwellinghouse (C3) as a children's home for one child with two carers present at all times

    3 Mar 2026 Lawful development
  • DM/26/01642/CEU Awaiting decision

    17 Boyd Street Durham DH1 3DP

    Certificate of lawfulness for use of the property as a House in Multiple Occupation (Use class C4).

    25 Jun 2026 Lawful development