
Loft Conversion Cost
Planning and technical design fees for your project. For interior design, procurement or construction, ask us for a proposal based on your brief.
In London, New Malden
Site Survey
from
150
£
Building Regulation
from
680
£
Planning Application
from
650
£
* All prices include VAT
Price Detail
Service
Price
Service Providing
Planning Application / LDC
from
650
£
• Existing Floor Plans and Elevations scaled @ 1:100
• Proposed Floor Plans and Elevations Scaled @ 1:100
• Changes to the draft proposed layout drawings
• OS mapping site location plan scaled at 1:1250
• OS mapping site block plan scaled at 1:500
• Design and access statement (if required for additional £250 - £850 depending on the extent and complexity of the project)
• Fire statement (if required)
• Expert advice and support
• All relevant forms completed including CIL
• Submit your application on your behalf (council fees not included)
• Act as your agent (until a decision notice is award)
Building Regulation
from
680
£
Detailed Building regulation drawings
• Section details
• Detailed specifications
• Structural Calculations (at additional cost from one of our partner firms)
• FREE council revision
• Final plans for building regulation submission
Site Survey
from
150
£
• On-site assessment conducted by our team of skilled experts
• Discussion and advisory session regarding proposed plans
• Thorough site measurement survey
• Comprehensive photographic documentation
Loft Conversion Price in London
* All prices include VAT
Loft Conversion and Extension Price
Three revisions included.
Additional revisions: £120 each.
Structural engineering and other specialist appointments are agreed separately. Your proposal confirms the drawing packages, scope and any applicable fee arrangements.
Loft Conversion(Only)
from
650
from
680
from
150
Planning Application
Building Regulation
Site Survey
Loft Conversion and Single Storey Extension
from
850
from
880
from
150
Planning Application
Building Regulation
Site Survey
Loft Conversion and Double Storey Extension
from
1050
from
980
from
150
Planning Application
Building Regulation
Site Survey
* All prices include VAT
LDC
Lawful Development Certificate
A Lawful Development Certificate (LDC) is a legal document stating the lawfulness of past, present or future building use, operations, or other matters. If granted by the Local Planning Authority (LPA), the certificate signifies that enforcement action cannot be carried out against the development referred to in the certificate. However, the certificate will not protect from enforcement action by the planning authority if the specified use is then changed ‘materially’ without a planning application for it.
A successful application for an LDC is not a replacement for planning permission. Planning permission must still be acquired separately for any development or use which is not covered by an LDC.
Tell us about your property and plans for a project-specific proposal.
It is one of our primary services to ensure the safe and high-quality execution of construction projects. This involves conducting on-site assessments, holding discussions and advisory sessions on proposed plans, conducting site measurement surveys, and creating comprehensive photographic documentation.
It is the service that our proficient team will coordinate with the council and manage the entire submission process on your behalf. It does not include the planning application fee and permitted development fee themselves.
The costs for planning and drawing, site surveying, council submission, and building regulations will vary depending on the size, location, and type of property. Additional fees may be required depending on the condition of the property and the services needed. These charges will be calculated based on every aspect of the planning process.
Your written proposal confirms the scope, deliverables, programme and fees before you appoint us.




