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Planning and Permissions7 min read

Planning Refusals in London: Appeals, Resubmissions and How to Respond 2025

Receiving a planning refusal from a London borough can be a significant setback for a home renovation, extension or loft conversion project. But a refusal is often not the end — most householder planning refusals in London can be either appealed through the Planning Inspectorate or resubmitted with a revised application addressing the reasons for refusal. Understanding the options, timescales and costs is essential for any London homeowner facing a planning refusal. This guide covers the main routes following a planning refusal in London in 2025.

Key Takeaways

  • APPEAL DEADLINE IS 12 WEEKS FROM THE DATE OF THE DECISION NOTICE — SET A DIARY REMINDER IMMEDIATELY ON RECEIVING A LONDON PLANNING REFUSAL
  • ONE FREE RESUBMISSION IS ALLOWED WITHIN 12 MONTHS OF A LONDON PLANNING REFUSAL (FEE WAIVED); THIS IS USUALLY THE BEST FIRST OPTION WHERE DESIGN CHANGES CAN ADDRESS THE REFUSAL REASONS
  • SECTION 78 PLANNING APPEALS TO THE PLANNING INSPECTORATE ARE FREE (NO INSPECTOR FEE); PROFESSIONAL FEES FOR A LONDON WRITTEN REPRESENTATIONS APPEAL TYPICALLY COST £2,000-£6,000
  • APPROXIMATELY 35-40% OF UK HOUSEHOLDER PLANNING APPEALS SUCCEED NATIONALLY — SUCCESS RATE VARIES BY BOROUGH AND REFUSAL REASON; CONSERVATION AREA APPEALS ARE HARDER TO WIN
  • USE AN RTPI-REGISTERED PLANNING CONSULTANT EXPERIENCED IN YOUR LONDON BOROUGH — BOTH FOR RESUBMISSIONS AND APPEALS; THEY WILL ASSESS REALISTIC PROSPECTS BEFORE YOU COMMIT TO EITHER ROUTE

Understanding Planning Refusal Reasons in London

PLANNING APPLICATIONS IN LONDON ARE REFUSED ON SPECIFIC GROUNDS. THE LONDON BOROUGH MUST GIVE WRITTEN REASONS FOR REFUSAL ON THE DECISION NOTICE. THE MOST COMMON GROUNDS FOR PLANNING REFUSAL IN LONDON HOUSEHOLDER APPLICATIONS: VISUAL IMPACT / DESIGN — THE PROPOSED EXTENSION, LOFT CONVERSION OR ALTERATION IS CONSIDERED BY THE LONDON BOROUGH TO BE HARMFUL TO THE CHARACTER AND APPEARANCE OF THE EXISTING DWELLING, THE STREET SCENE OR THE WIDER AREA; THIS IS THE MOST COMMON REFUSAL REASON FOR LONDON HOUSEHOLDER APPLICATIONS; CONSERVATION AREA IMPACT — IN LONDON'S MANY CONSERVATION AREAS, PROPOSALS THAT HARM THE SPECIAL CHARACTER OR APPEARANCE OF THE AREA ARE REFUSED; COMMON EXAMPLES INCLUDE UUPVC WINDOWS IN A CONSERVATION AREA, DORMER WINDOWS ON A FRONT ROOF SLOPE VISIBLE FROM THE STREET, OR RENDER FINISHES INAPPROPRIATE TO THE CONSERVATION AREA; IMPACT ON NEIGHBOURING AMENITY — A PROPOSED DEVELOPMENT CAUSES UNACCEPTABLE LOSS OF DAYLIGHT, SUNLIGHT, OUTLOOK OR PRIVACY TO ADJACENT LONDON PROPERTIES; THIS IS A COMMON GROUND FOR REFUSAL OF LARGE REAR EXTENSIONS OR OUTBUILDINGS IN LONDON WHERE THE PROPERTIES ARE TERRACED AND CLOSE TOGETHER; LOSS OF TREES / ECOLOGICAL IMPACT — RARE FOR STANDARD HOUSEHOLDER APPLICATIONS BUT RELEVANT WHERE A LONDON PLANNING APPLICATION REQUIRES REMOVAL OF A PROTECTED TREE (TPO — TREE PRESERVATION ORDER) OR A TREE WITHIN A LONDON CONSERVATION AREA (ALL TREES IN LONDON CONSERVATION AREAS ARE PROTECTED); PRINCIPLE OF DEVELOPMENT — OCCASIONALLY A LONDON PLANNING AUTHORITY REFUSES ON THE GROUNDS THAT THE USE OR PRINCIPLE OF DEVELOPMENT IS NOT ACCEPTABLE (E.G. THE PROPOSAL IS OUTSIDE THE BUILDING ENVELOPE IN A GREEN BELT AREA, OR THE LOSS OF AN EXISTING USE IS UNACCEPTABLE); UNDERSTANDING THE SPECIFIC REFUSAL REASON (S) IS THE FIRST STEP — READ THE DECISION NOTICE CAREFULLY; EACH REASON FOR REFUSAL MUST BE ADDRESSED EITHER IN AN APPEAL OR A REVISED RESUBMISSION.

Resubmission After a London Planning Refusal

RESUBMISSION IS THE PROCESS OF SUBMITTING A REVISED PLANNING APPLICATION THAT ADDRESSES THE REASONS FOR THE ORIGINAL REFUSAL. RESUBMISSION RULES AND ADVANTAGES: FREE RESUBMISSION PERIOD — WITHIN 12 MONTHS OF A PLANNING REFUSAL IN ENGLAND, A SINGLE REVISED HOUSEHOLDER APPLICATION CAN BE RESUBMITTED FREE OF CHARGE TO THE LOCAL PLANNING AUTHORITY (UNDER THE TOWN AND COUNTRY PLANNING (FEES FOR APPLICATIONS) REGULATIONS); FOR LONDON HOUSEHOLDER APPLICATIONS (EXTENSIONS, LOFT CONVERSIONS ETC.), THIS IS A SIGNIFICANT ADVANTAGE — THE STANDARD HOUSEHOLDER APPLICATION FEE IS £258 (AS OF 2025); WHAT MUST BE REVISED — THE RESUBMISSION MUST ADDRESS THE REASONS FOR REFUSAL; A MATERIAL CHANGE TO THE SCHEME IS REQUIRED; SIMPLY RESUBMITTING THE SAME DRAWINGS WITHOUT ANY REVISION WILL RESULT IN ANOTHER REFUSAL; PRE-APPLICATION ADVICE BEFORE RESUBMISSION — BEFORE RESUBMITTING A REVISED APPLICATION IN LONDON, IT IS ADVISABLE TO SEEK PRE-APPLICATION ADVICE FROM THE LONDON BOROUGH (USUALLY A PAID SERVICE — LONDON BOROUGH PRE-APPLICATION ADVICE FEES RANGE FROM £150-£600 FOR HOUSEHOLDER APPLICATIONS DEPENDING ON BOROUGH); THIS ALLOWS YOU TO CHECK WITH THE PLANNING OFFICER THAT THE PROPOSED REVISIONS WILL ADDRESS THE REFUSAL REASONS BEFORE INCURRING ADDITIONAL ARCHITECT FEES; ARCHITECT/PLANNING CONSULTANT INVOLVEMENT — A PLANNING CONSULTANT OR ARCHITECT EXPERIENCED IN YOUR LONDON BOROUGH IS ESSENTIAL FOR A RESUBMISSION; THEY SHOULD BE ABLE TO INTERPRET THE REFUSAL REASONS AND ADVISE ON WHAT DESIGN CHANGES WILL ADDRESS THEM.

Planning Appeals (Section 78 Appeals) in London

IF YOU BELIEVE YOUR LONDON PLANNING REFUSAL WAS WRONG, OR IF A RESUBMISSION IS NOT APPROPRIATE, YOU CAN APPEAL TO THE PLANNING INSPECTORATE (PINS) UNDER SECTION 78 OF THE TOWN AND COUNTRY PLANNING ACT 1990. KEY SECTION 78 APPEAL FACTS FOR LONDON HOUSEHOLDER PLANNING APPLICATIONS: WHO DECIDES — THE PLANNING INSPECTORATE (PINS) IS AN INDEPENDENT GOVERNMENT BODY THAT DECIDES PLANNING APPEALS; THE APPEAL IS DECIDED BY AN INSPECTOR APPOINTED BY THE SECRETARY OF STATE; APPEAL IS FREE — THERE IS NO FEE TO THE PLANNING INSPECTORATE FOR A HOUSEHOLDER PLANNING APPEAL IN ENGLAND; APPEAL DEADLINE — YOU MUST APPEAL WITHIN 12 WEEKS OF THE DATE OF THE PLANNING REFUSAL DECISION (FOR HOUSEHOLDER APPLICATIONS IN ENGLAND — WRITTEN REPRESENTATIONS PROCEDURE); APPEAL METHODS — MOST LONDON HOUSEHOLDER PLANNING APPEALS ARE DECIDED BY THE WRITTEN REPRESENTATIONS METHOD (DOCUMENTS AND REPRESENTATIONS SUBMITTED IN WRITING; NO HEARING OR INQUIRY); SOME MORE COMPLEX OR CONTENTIOUS APPEALS IN LONDON ARE DECIDED BY A HEARING (INFORMAL ORAL DISCUSSION WITH THE INSPECTOR) OR A PUBLIC INQUIRY (FORMAL, WITH LEGAL REPRESENTATION); APPEAL TIMESCALES — WRITTEN REPRESENTATION HOUSEHOLDER APPEALS IN LONDON CURRENTLY TAKE APPROXIMATELY 20-30 WEEKS FROM THE VALIDATED APPEAL DATE TO DECISION; APPEAL GROUNDS — A PLANNING APPEAL SHOULD CHALLENGE THE REFUSAL REASONS WITH POSITIVE EVIDENCE AND ARGUMENT; THE MOST COMMON APPROACH IS TO DEMONSTRATE THAT THE PROPOSAL COMPLIES WITH THE RELEVANT DEVELOPMENT PLAN POLICIES AND NATIONAL POLICY (NPPF).

When to Appeal vs Resubmit After a London Planning Refusal

THE CHOICE BETWEEN APPEALING AND RESUBMITTING DEPENDS ON THE SPECIFIC CIRCUMSTANCES. THE DECISION MATRIX FOR LONDON HOUSEHOLDER PLANNING REFUSALS: APPEAL IS GENERALLY THE RIGHT CHOICE WHERE: THE PROPOSAL IS CONSIDERED COMPLIANT WITH POLICY AND THE REFUSAL IS CONSIDERED INCORRECT OR UNREASONABLE; THE PROPOSAL CANNOT BE CHANGED WITHOUT FUNDAMENTALLY COMPROMISING ITS PURPOSE (E.G. REAR EXTENSION THAT MEETS THE DEVELOPMENT PLAN CRITERIA BUT HAS BEEN REFUSED DESPITE THIS); A PRECEDENT NEEDS TO BE ESTABLISHED FOR A NOVEL BUT POLICY-COMPLIANT SCHEME; THERE IS A CONSERVATION AREA DISAGREEMENT WHERE THE LONDON BOROUGH'S ASSESSMENT OF HARM IS CONSIDERED OVERLY RESTRICTIVE AND CONTRARY TO POLICY; RESUBMISSION IS GENERALLY THE RIGHT CHOICE WHERE: THE REFUSAL REASONS ARE CLEAR AND CAN BE ADDRESSED BY A DESIGN REVISION (E.G. REDUCE THE SIZE OF THE DORMER, CHANGE WINDOW MATERIAL FROM UUPVC TO TIMBER, SET BACK THE EXTENSION BY 0.5M); THE FREE RESUBMISSION PERIOD IS STILL ACTIVE (WITHIN 12 MONTHS OF THE ORIGINAL APPLICATION DATE); THE COST OF AN APPEAL (IN CONSULTANT FEES AND TIME) OUTWEIGHS THE COST OF A DESIGN REVISION; NOTE — IT IS POSSIBLE TO APPEAL AND RESUBMIT SIMULTANEOUSLY IN CERTAIN CIRCUMSTANCES, BUT CARE IS NEEDED TO ENSURE THE APPEAL IS NOT PREJUDICED BY THE RESUBMISSION; SEEK PROFESSIONAL PLANNING ADVICE BEFORE PURSUING BOTH ROUTES IN PARALLEL.

Planning Appeal and Resubmission Costs in London 2025

COSTS FOR PLANNING REFUSAL RESPONSES IN LONDON IN 2025: RESUBMISSION (REVISED DRAWINGS + FREE FEE WITHIN 12 MONTHS): ARCHITECT REVISION FEES — £500-£2,000 DEPENDING ON THE EXTENT OF DESIGN CHANGES REQUIRED; PLANNING CONSULTANT SUPPORT — £500-£1,500 FOR A PLANNING STATEMENT ACCOMPANYING THE REVISED APPLICATION; PRE-APPLICATION ADVICE FROM LONDON BOROUGH — £150-£600; TOTAL RESUBMISSION COST — APPROXIMATELY £1,000-£3,500 (EXCLUDING PLANNING FEE WHICH IS FREE FOR FIRST RESUBMISSION); WRITTEN REPRESENTATIONS APPEAL: PLANNING CONSULTANT FEES TO PREPARE AND SUBMIT APPEAL — £1,500-£4,000 FOR A HOUSEHOLDER PLANNING APPEAL IN LONDON; ARCHITECT FEES TO PREPARE APPEAL DRAWINGS AND DESIGN STATEMENT (IF NOT ALREADY PREPARED) — £500-£2,000; TOTAL WRITTEN REPRESENTATIONS APPEAL COST — APPROXIMATELY £2,000-£6,000 (INSPECTOR'S FEE IS NIL FOR HOUSEHOLDER APPEALS); HEARING APPEAL (MORE COMPLEX CASES): PLANNING CONSULTANT AND/OR BARRISTER FEES — £3,000-£10,000+ FOR A COMPLEX LONDON HOUSEHOLDER HEARING APPEAL; NOTE — LONDON BOROUGH COUNCILS SOMETIMES AWARD COSTS AGAINST A PLANNING APPLICANT (AWARD OF COSTS UNDER ARTICLE 10(2) TCPA 1990) WHERE AN APPEAL HAS BEEN MADE WITHOUT REASONABLE PROSPECT OF SUCCESS; ALWAYS OBTAIN PROFESSIONAL PLANNING ADVICE BEFORE APPEALING A LONDON PLANNING REFUSAL.

Frequently Asked Questions

How long do I have to appeal a planning refusal in London?
FOR HOUSEHOLDER PLANNING APPLICATIONS IN ENGLAND (INCLUDING LONDON), THE APPEAL DEADLINE IS 12 WEEKS FROM THE DATE OF THE PLANNING DECISION NOTICE. THIS IS STRICT — LATE APPEALS ARE NOT ACCEPTED BY THE PLANNING INSPECTORATE. SET A DIARY REMINDER ON THE DATE OF YOUR DECISION NOTICE AND SEEK PLANNING CONSULTANT ADVICE IMMEDIATELY IF YOU THINK YOU MIGHT WANT TO APPEAL.
Is planning appeal free in London?
YES — THERE IS NO FEE PAYABLE TO THE PLANNING INSPECTORATE FOR A SECTION 78 HOUSEHOLDER PLANNING APPEAL IN ENGLAND. HOWEVER, YOU WILL TYPICALLY NEED TO PAY A PLANNING CONSULTANT OR ARCHITECT TO PREPARE AND SUBMIT YOUR APPEAL — THESE PROFESSIONAL FEES TYPICALLY COST £1,500-£4,000 FOR A WRITTEN REPRESENTATIONS HOUSEHOLDER APPEAL IN LONDON.
What is the success rate of planning appeals in London?
THE NATIONAL AVERAGE SUCCESS RATE FOR HOUSEHOLDER PLANNING APPEALS (WRITTEN REPRESENTATIONS) IN ENGLAND IS APPROXIMATELY 35-40% — MEANING AROUND ONE IN THREE APPEALS OVERTURNS THE REFUSAL. IN LONDON, THE SUCCESS RATE VARIES BY BOROUGH AND BY THE SPECIFIC REFUSAL REASON. CONSERVATION AREA APPEALS ARE GENERALLY HARDER TO WIN THAN STANDARD DESIGN IMPACT APPEALS. A PLANNING CONSULTANT EXPERIENCED IN YOUR LONDON BOROUGH WILL BE ABLE TO GIVE AN HONEST ASSESSMENT OF THE PROSPECTS OF SUCCESS.
Can I resubmit a planning application for free after a refusal in London?
YES — ONE REVISED HOUSEHOLDER PLANNING APPLICATION CAN BE RESUBMITTED FREE OF CHARGE WITHIN 12 MONTHS OF THE DATE OF THE ORIGINAL REFUSED APPLICATION. THE REVISED APPLICATION MUST MATERIALLY ADDRESS THE REASONS FOR REFUSAL. THE FREE RESUBMISSION EXEMPTION APPLIES TO THE PLANNING FEE ONLY — YOU WILL STILL NEED TO PAY FOR ARCHITECT DRAWING REVISIONS AND ANY PLANNING CONSULTANT FEES.
Do I need a planning consultant or solicitor for a London planning appeal?
FOR A SIMPLE HOUSEHOLDER PLANNING APPEAL IN LONDON (WRITTEN REPRESENTATIONS), A PLANNING CONSULTANT IS THE MOST COST-EFFECTIVE PROFESSIONAL — NOT A SOLICITOR. PLANNING CONSULTANTS ARE SPECIALIST PLANNING ADVISORS (OFTEN CHARTERED MEMBERS OF THE RTPI — ROYAL TOWN PLANNING INSTITUTE) WHO UNDERSTAND PLANNING POLICY AND APPEAL PROCEDURE. FOR COMPLEX APPEALS (HEARINGS, INQUIRIES, OR CASES INVOLVING LISTED BUILDINGS, CONSERVATION AREAS OR LEGAL ISSUES), A PLANNING BARRISTER MAY ALSO BE NEEDED. FIND AN RTPI-REGISTERED PLANNING CONSULTANT EXPERIENCED IN YOUR LONDON BOROUGH.

Important Note

This guide is for general information only. Building regulations, planning rules, and legal requirements change regularly and vary by local authority. Always seek professional advice specific to your project and location. RCB Design & Build offers free initial consultations — book your free survey.

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