Our Services | Ash Hill Planning

Single Storey Extension

Extend your living space with a ground floor rear or side extension. Perfect for larger kitchens, dining areas, or living rooms.

  • Site survey & measurements
  • Architectural drawings (plans, elevations, sections)
  • Site location plan
  • Planning application submission
  • Council liaison throughout process
  • Response to council queries
From £1,200 + VAT
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Two Storey Extension

Maximize your property potential with a double-height extension. Add bedrooms, bathrooms, and ground floor space simultaneously.

  • Full architectural design service
  • Detailed floor plans (all levels)
  • All elevations and sections
  • 3D visualizations (optional extra)
  • Neighbour consultation advice
  • Planning appeal support if needed
From £1,800 + VAT
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Loft Conversion

Transform your loft into valuable living space. We handle dormer, hip-to-gable, and mansard loft conversions across London.

  • Loft feasibility assessment
  • Structural calculations coordination
  • Detailed floor plans & elevations
  • Roof plan drawings
  • Building regulations drawings
  • Party wall advice
From £1,500 + VAT
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Basement Conversion

Popular in Central London. Create additional living space, home cinema, gym, or even self-contained accommodation.

  • Basement feasibility study
  • Structural engineer coordination
  • Party wall agreement assistance
  • Complex planning applications
  • Building control drawings
  • Drainage & ventilation plans
From £2,500 + VAT
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Change of Use

Converting commercial to residential? Office to flats? Shop to restaurant? We handle all use class changes in London.

  • Use class analysis & advice
  • Planning policy review
  • Planning statement preparation
  • Fire safety drawings (if required)
  • Accessibility compliance drawings
  • Local authority pre-app meetings
From £2,000 + VAT
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Permitted Development

Build without full planning permission where eligible. We submit Lawful Development Certificate applications across London.

  • PD eligibility assessment
  • Certificate of Lawfulness application
  • Technical drawings to PD limits
  • Supporting documents preparation
  • Fast-track processing
  • Prior approval applications
From £950 + VAT
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Side Extension

Add width to your property with a side return or side extension. Popular in Victorian and Edwardian terraced homes.

  • Boundary wall assessment
  • Minimum 1m gap analysis
  • Planning drawings & submission
  • Neighbour consultation guidance
  • Party wall advice
  • Building regulations support
From £1,300 + VAT
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HMO Conversions

Convert your property to a House in Multiple Occupation. We handle planning, fire safety, and amenity requirements.

  • HMO feasibility assessment
  • Room size compliance check
  • Fire safety drawings & strategy
  • Amenity provision layouts
  • Planning application & submission
  • Licensing support & guidance
From £2,200 + VAT
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Conservation Area Applications

Specialist service for properties in conservation areas. We navigate strict requirements for listed and protected buildings.

  • Conservation area constraints analysis
  • Heritage statement preparation
  • Design & access statement
  • Sympathetic design approach
  • Materials & detailing specification
  • Conservation officer liaison
From £2,800 + VAT
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Our Simple 5-Step Process

1

Free Consultation

We discuss your project and provide a no-obligation quote within 24 hours

2

Site Survey

Professional measurement and photographic survey of your property

3

Design & Drawings

Architectural drawings created to council standards

4

Application

Complete submission to your local London borough

5

Approval

Regular updates and council liaison until permission granted

Not Sure Which Service You Need?

Book a free 30-minute consultation and we’ll assess your project requirements and recommend the best approach.

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