Planning Permission Guide for London Homeowners in 2025: Permitted Development, Householder Applications, Conservation Areas, and London Planning Costs

Permitted development rights, Article 4 directions, conservation areas, and the prior approval process for London residential renovation in 2025: PERMITTED DEVELOPMENT RIGHTS — LONDON RESIDENTIAL IN 2025: PERMITTED DEVELOPMENT (PD) RIGHTS ARE AUTOMATIC PLANNING CONSENTS GRANTED BY PARLIAMENT UNDER THE TOWN AND COUNTRY PLANNING (GENERAL PERMITTED DEVELOPMENT) (ENGLAND) ORDER 2015 AS AMENDED — THEY ALLOW CERTAIN TYPES OF WORKS TO BE CARRIED OUT WITHOUT MAKING A FORMAL PLANNING APPLICATION TO THE LOCAL PLANNING AUTHORITY — THE MOST COMMONLY RELEVANT PD RIGHTS FOR LONDON RESIDENTIAL RENOVATION IN 2025 ARE UNDER CLASS A (ENLARGEMENT, IMPROVEMENT, OR OTHER ALTERATION OF A DWELLING HOUSE — COVERS MOST EXTENSIONS, LOFT CONVERSIONS, PORCHES, AND OUTBUILDINGS WITHIN LIMITS); CLASS B (ADDITIONS TO THE ROOF OF A DWELLING — COVERS MOST LOFT CONVERSION WORKS WITHIN LIMITS); CLASS C (OTHER ROOF ALTERATIONS); CLASS D (PORCHES); CLASS E (BUILDINGS ETC INCIDENTAL TO ENJOYMENT OF A DWELLING HOUSE — COVERS GARDEN BUILDINGS, SHEDS, GREENHOUSES WITHIN LIMITS); CLASS G (CHIMNEYS, FLUES, ETC.); ARTICLE 4 DIRECTIONS — MOST IMPORTANT RESTRICTION ON PD RIGHTS IN LONDON RESIDENTIAL IN 2025: AN ARTICLE 4 DIRECTION IS A DIRECTION MADE BY THE LOCAL PLANNING AUTHORITY UNDER ARTICLE 4 OF THE GPDO 2015 TO WITHDRAW SPECIFIC PERMITTED DEVELOPMENT RIGHTS IN A DEFINED AREA — ARTICLE 4 DIRECTIONS ARE VERY COMMONLY APPLIED IN LONDON RESIDENTIAL CONSERVATION AREAS IN 2025 — THE MOST COMMON EFFECT OF AN ARTICLE 4 DIRECTION IN LONDON RESIDENTIAL CONSERVATION AREAS IN 2025 IS THAT PD RIGHTS THAT WOULD OTHERWISE APPLY ARE REMOVED AND A FORMAL PLANNING APPLICATION IS REQUIRED — BEFORE ANY WORKS ARE STARTED ON A LONDON RESIDENTIAL PROPERTY, THE BUILDING OWNER SHOULD CHECK WHETHER AN ARTICLE 4 DIRECTION IS IN FORCE BY SEARCHING THE RELEVANT LONDON BOROUGH'S PLANNING PORTAL OR CONTACTING THE LPA'S PLANNING DEPARTMENT; CONSERVATION AREAS — MOST RESTRICTIVE PLANNING CONTEXT IN LONDON RESIDENTIAL RENOVATION IN 2025: LONDON HAS OVER 1,000 CONSERVATION AREAS DESIGNATED BY ITS 33 BOROUGHS — THE MOST COMMON EFFECT OF BEING IN A CONSERVATION AREA IN LONDON RESIDENTIAL RENOVATION IN 2025 IS THAT: PD RIGHTS FOR CLADDING, EXTENSIONS THAT FRONT A HIGHWAY, AND SATELLITE DISH INSTALLATION ARE REMOVED (AND MANY AREAS ALSO HAVE ARTICLE 4 DIRECTIONS REMOVING FURTHER PD RIGHTS); CONSERVATION AREA CONSENT (NOW REPLACED BY PLANNING PERMISSION UNDER THE ENTERPRISE AND REGULATORY REFORM ACT 2013) IS REQUIRED FOR DEMOLITION OF MOST BUILDINGS IN A CONSERVATION AREA; TIMBER PRESERVATION DIRECTION (SECTION 211 NOTICE MUST BE GIVEN TO THE LPA BEFORE CUTTING DOWN OR CARRYING OUT WORKS TO TREES IN A CONSERVATION AREA — MINIMUM 6 WEEKS NOTICE — THE MOST FREQUENTLY OVERLOOKED PLANNING REQUIREMENT IN LONDON RESIDENTIAL RENOVATION IN 2025 WHERE TREES IN THE REAR GARDEN ARE BEING REMOVED TO MAKE WAY FOR AN EXTENSION); PRIOR APPROVAL NEIGHBOUR CONSULTATION SCHEME — LONDON RESIDENTIAL REAR EXTENSION IN 2025: THE PRIOR APPROVAL NEIGHBOUR CONSULTATION SCHEME (HOUSEHOLDER PRIOR APPROVAL — CLASS A OF PART 1 SCHEDULE 2 GPDO 2015 AS AMENDED) ALLOWS SINGLE-STOREY REAR EXTENSIONS OF UP TO 6M DEPTH (SEMI-DETACHED/TERRACE) OR UP TO 8M DEPTH (DETACHED) WITHOUT FULL PLANNING PERMISSION — SUBJECT TO PRIOR APPROVAL NOTIFICATION TO THE LPA — THE LPA NOTIFIES IMMEDIATE NEIGHBOURS — IF NO OBJECTION OR IF THE LPA IS SATISFIED THE EXTENSION IS ACCEPTABLE, PRIOR APPROVAL IS GRANTED — TYPICAL LONDON LPA PRIOR APPROVAL DETERMINATION PERIOD: 42 DAYS FROM RECEIPT OF VALID APPLICATION.

Householder planning applications, pre-application advice, CIL, and typical London planning costs in 2025: HOUSEHOLDER PLANNING APPLICATION — WHEN REQUIRED IN LONDON RESIDENTIAL RENOVATION IN 2025: A HOUSEHOLDER PLANNING APPLICATION IS REQUIRED FOR LONDON RESIDENTIAL RENOVATION AND EXTENSION IN 2025 WHERE THE PROPOSED WORKS: EXCEED THE PERMITTED DEVELOPMENT LIMITS (E.G. SINGLE-STOREY REAR EXTENSION DEEPER THAN 3M FOR A TERRACE — SEE REAR EXTENSION GUIDE FOR FULL LIMITS); ARE IN A CONSERVATION AREA WHERE PD RIGHTS ARE RESTRICTED BY AN ARTICLE 4 DIRECTION; ARE FOR A DOUBLE-STOREY REAR EXTENSION (NOT COVERED BY STANDARD PD FOR CLASS A); INVOLVE SUBDIVISION OF A DWELLING HOUSE INTO FLATS; INVOLVE CHANGE OF USE OF PART OF THE PROPERTY; HOW TO APPLY: HOUSEHOLDER PLANNING APPLICATIONS IN LONDON IN 2025 ARE SUBMITTED THROUGH THE PLANNING PORTAL (WWW.PLANNINGPORTAL.CO.UK — THE MOST COMMONLY USED ONLINE PLANNING APPLICATION PORTAL IN LONDON IN 2025) — THE APPLICATION MUST INCLUDE: APPLICATION FORM; SITE LOCATION PLAN (ORDNANCE SURVEY BASE) AT 1:1250 SCALE; BLOCK PLAN AT 1:500; EXISTING AND PROPOSED DRAWINGS (FLOOR PLANS, ELEVATIONS, SECTIONS) — MOST COMMONLY PREPARED BY AN ARCHITECT OR ARCHITECTURAL TECHNICIAN; PLANNING APPLICATION FEE (SEE COSTS BELOW); DESIGN AND ACCESS STATEMENT WHERE REQUIRED; LONDON PLANNING APPLICATION FEES IN 2025: HOUSEHOLDER PLANNING APPLICATION FEE IN LONDON IN 2025: £258 (THE CURRENT FEE FOR A HOUSEHOLDER PLANNING APPLICATION FOR A SINGLE DWELLING HOUSE AS OF 2025 — SET BY CENTRAL GOVERNMENT); PRE-APPLICATION PLANNING ADVICE FEE (LONDON BOROUGH — VARIES BY LPA — MOST COMMON FEE FOR A HOUSEHOLDER PRE-APPLICATION ADVICE MEETING IN LONDON IN 2025): £100-£600 PER MEETING (THE MOST COMMON RANGE FOR LONDON BOROUGHS PROVIDING PRE-APPLICATION PLANNING ADVICE IN 2025 — SOME LONDON BOROUGHS OFFER FREE WRITTEN PRE-APPLICATION ADVICE FOR HOUSEHOLDER APPLICATIONS IN 2025); COMMUNITY INFRASTRUCTURE LEVY (CIL) — LONDON RESIDENTIAL RENOVATION IN 2025: CIL IS A PLANNING CHARGE THAT APPLIES TO CERTAIN TYPES OF DEVELOPMENT IN LONDON IN 2025 — THE MOST COMMON CIL TRIGGER FOR LONDON RESIDENTIAL RENOVATION IN 2025 IS A NEW RESIDENTIAL EXTENSION THAT CREATES MORE THAN 100M² OF ADDITIONAL FLOOR SPACE OR A CHANGE OF USE CREATING A NEW DWELLING — MOST SINGLE-STOREY REAR EXTENSIONS IN LONDON IN 2025 DO NOT TRIGGER CIL BECAUSE THEY ARE BELOW 100M² — CIL RATES VARY SIGNIFICANTLY BETWEEN LONDON BOROUGHS IN 2025 (MOST LONDON BOROUGHS CHARGE BETWEEN £0 AND £500 PER M² FOR RESIDENTIAL EXTENSION ABOVE THE THRESHOLD — HIGHEST CIL RATES IN LONDON IN 2025 ARE IN THE LONDON BOROUGH OF RICHMOND UPON THAMES AND WANDSWORTH); PROFESSIONAL FEES FOR PLANNING APPLICATIONS — LONDON RESIDENTIAL RENOVATION IN 2025: ARCHITECT OR ARCHITECTURAL TECHNICIAN FEE FOR PREPARING PLANNING DRAWINGS AND APPLICATION — LONDON RESIDENTIAL IN 2025: £1,500-£5,000 FOR A STRAIGHTFORWARD HOUSEHOLDER APPLICATION (EXISTING AND PROPOSED PLANS, ELEVATIONS, SECTIONS — MOST COMMON FEE RANGE FOR LONDON RESIDENTIAL HOUSEHOLDER PLANNING APPLICATION IN 2025); PLANNING CONSULTANT FEE WHERE A SPECIALIST IS APPOINTED — LONDON RESIDENTIAL IN 2025: £500-£3,000 FOR A STRAIGHTFORWARD OBJECTION OR APPEAL SUPPORT — MOST COMMONLY APPLICABLE WHERE THE LPA HAS RAISED COMPLEX POLICY ISSUES OR WHERE A PLANNING REFUSAL IS BEING APPEALED.