Planning applications, drawings, surveys & compliance reports for the London Borough of Merton
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Merton is a highly desirable South West London borough covering Wimbledon, Morden, Mitcham, Raynes Park, and Colliers Wood. With conservation areas, suburban neighbourhoods, heritage streets, flood‑risk zones, and active regeneration areas, Merton applies strict design, heritage, and neighbour‑impact policies. Achieving planning approval here requires borough‑specific expertise and precise documentation.
Planning World provides planning applications, architectural drawings, surveys, and compliance reports tailored specifically to Merton’s planning policies and validation requirements.
When You Need Planning Support in Merton
Professional planning assistance is typically required for:
- Rear, side, and wrap‑around extensions
- Loft conversions, dormers, and roof alterations
- Hip‑to‑gable and mansard roof additions
- Basement extensions
- Garage conversions
- Outbuildings and garden rooms
- Flat conversions and HMOs
- Change of use (commercial ↔ residential)
- New build homes and infill developments
- Alterations to listed buildings
- Works within conservation areas
- Flood‑zone developments (Wandle Valley, Wimbledon Park)
- Shopfront changes and signage
- Mixed‑use and commercial developments
- Developments in regeneration zones (Morden, Colliers Wood, Mitcham)
Merton is known for its strong design expectations, heritage protection, and neighbour‑impact assessments — even modest proposals require careful justification.

Local Planning Policies in Merton
Merton’s planning environment is shaped by suburban character, heritage, flood‑risk constraints, and regeneration.
Conservation Areas (over 25 designated areas)
Key conservation areas include:
- Wimbledon Village
- Wimbledon Hill
- Merton Park
- Mitcham Cricket Green
- Wilton Crescent
- Copse Hill
- Lower Morden
Applications must demonstrate:
- High‑quality design
- Respect for historic character
- Sensitive material choices
- Minimal visual impact
Listed Buildings
Merton contains a wide range of Georgian, Victorian, Edwardian, and historic village buildings. Applications require:
- Heritage Statements
- Impact Assessments
- Detailed drawings
- Evidence of minimal intervention
Flood Zone & River Wandle Constraints
Areas near the River Wandle and Wimbledon Park often require:
- Flood Risk Assessments
- Sustainable drainage strategies
- Sequential test justification
- Structural justification for extensions
Regeneration Zones
Major regeneration areas include:
- Morden Town Centre
- Mitcham
- Colliers Wood
- Wimbledon Stadium area
These areas often require:
- Design & Access Statements
- Transport assessments
- Sustainability statements
- Community impact considerations
Sustainability & Energy Requirements
Merton is strict on:
- Energy efficiency
- Carbon reduction
- Biodiversity
- Urban greening
- Sustainable drainage
Many applications require:
- SAP calculations
- Energy statements
- BNG assessments
- Flood Risk Assessments
Basement Policy
Basements require:
- Structural Method Statement
- Flood Risk Assessment
- Construction Management Plan
- Neighbour impact analysis
Common Refusal Reasons in Merton
Applications are often refused for:
- Harm to conservation area character
- Overdevelopment
- Poor design quality
- Loss of amenity to neighbours
- Flood‑risk concerns
- Insufficient heritage justification
Planning World ensures your application addresses these issues from the outset.
What We Provide in Merton
We deliver a complete suite of planning and technical services, including:
Planning Applications
- Householder applications
- Full planning applications
- Change of use
- Prior approval
- HMO applications
- Listed building consent
- Conservation area consent
Architectural Drawings
- Existing & proposed plans
- Elevations & sections
- Roof plans
- 3D visualisations
- Revit models
- Measured surveys
Technical Reports
- Flood Risk Assessments
- Biodiversity Net Gain
- SAP calculations
- Structural engineering
- Daylight & sunlight assessments
- Basement impact assessments
Legal & Compliance
- Party wall
- Lease plans
- Title plans
All documents are prepared to Merton’s validation requirements.
Our Process
A structured workflow designed for Merton’s planning environment:
- Site & policy review
- Drawings & technical documents
- Planning strategy
- Submission
- Liaison with Merton planning officers
Positive Feedback
7-day Turnaround
Fixed Pricing From
Why Choose Planning World for Merton
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- Deep knowledge of Merton planning policies
- Expertise in conservation areas & flood‑risk zones
- Strong track record in suburban and regeneration areas
- Fast turnaround for drawings & reports
- Full planning, architectural, and compliance support
- Transparent pricing and fixed quotes
FAQs — Kensington & Chelsea
Often yes — Merton is strict on design, heritage, and neighbour impact.
Yes, but flood‑risk assessments are often mandatory.
If your property is listed or in a conservation area, almost certainly.
Some are, but Merton is selective and sensitive to roofline changes.
Yes — we prepare all drawings, heritage reports, and justification.
Start Your Merton Planning Application
Send us your drawings or property details and we’ll prepare a fully compliant, borough‑specific planning package tailored to Merton’s requirements.