Loft Conversion drawings London
The easiest way to add additional bedroom which can accommodate an ensuite or home office, these conversions can increase your property value by 15-25% according to Nationwide Building Society research. Often possible under Permitted Development, no planning permission is required in many cases, however a lawful development certificate is highly recommended for any type of loft conversion.


Expert Loft Drawings
We have drawn loft conversion plans for almost all different types of properties, Edwardian, new build and conservation properties.
Details Matter
The details matters, we model your property to make sure staircase fit correctly, bathrooms are adequate sized for your loft conversion.
Building Regulation


TRUSTED BY 1000’s OF HOMEOWNERS, CONTRACTORS & DEVELOPERS THROUGHOUT LONDON
Over 1,247 completed projects with a 4.9 out of 5 average client rating and 98% planning approval success rate demonstrate our expertise in delivering quality architectural drawings and building regulation drawings that get approved across Greater London.
Included as standard | Traditional Architects |
AC Design Solution |
---|---|---|
Fixed, transparent pricing | ✖ | ✔ |
2 Free design changes | ✖ | ✔ |
Immediate project start subject to T&C'S | ✖ | ✔ |
3D property scanning within the price | ✖ | ✔ |
Remote, hassle-free meetings on Teams or Zoom | ✖ | ✔ |
Planning & building control guarantees | ✖ | ✔ |
Transparent build cost analysis | ✖ | ✔ |
Clear timeline & progress tracking | ✖ | ✔ |
WHY LONDON HOME OWNERS CHOOSE US
Our loft conversion specialist team understands the unique challenges of London properties, from Victorian terraces to modern developments in London. We combine local planning knowledge with technical expertise to deliver your loft conversion plans that work for your specific situation and local council requirements.
WHY CHOOSE AC DESIGN SOLUTION
We provide survey within 7 days with quick response times and designs completed in 2 weeks for fast turnaround. Our CIAT-qualified technicians maintain professional standards while our extensive local planning experience means we know London and surrounding areas councils inside out. All services come with fixed-price loft packages and no hidden costs.
PROVEN RESULTS
Our design experience spans 15+ years creating successful loft conversions throughout London. We maintain a 98% approval rate on first submission and consistently achieve 4.9 out of 5 average rating from over 1,000 completed projects, helping clients convert your loft space efficiently. We also offer building regulation drawings


OUR DRAWING SERVICES
Professional drawings for london homes
We provide comprehensive architectural drawings and technical drawing and planning services for all types of home improvements, specializing in loft conversion plans and house extension projects across London. Our London team delivers precise, regulation-compliant plans for your home that ensure your project runs smoothly from concept to completion.
Loft conversion plans
Our expert loft conversion drawings london service includes everything needed for a successful project. Complete architectural drawings cover every aspect of your conversion while structural calculations ensure safety and compliance. Building regulation drawings streamline the approval process, and planning drawings support guides you through any required permissions. Technical specifications provide builders with clear construction guidance for your proposed loft conversion.


CALL US TODAY ON 020 8152 4006
Need Planning Advice? Read Our Expert Insights

DIY Loft Conversion: A Complete Guide to Convert Your Loft

How Long Does a Loft Conversion Take

Which Type of Loft Conversion is Right for Your Home?
Check some of our customers review
Zubear was very friendly and approachable and understood what was required. Thank you to the AC Design Team.
We would be delighted to appoint them again for future work if the need arose. Good value for money too.
MR
From first contact to final approval stage, Zaeem was extremely helpful and always made himself available to us.
We highly recommend AC Design Solutions for any off your architectural planning and design requirements.
CLEAR, FIXED-PRICE PACKAGES

Dormer loft conversion

Hip to gable loft conversion

Mansard loft conversion

L-shaped loft conversions
MCAIT QUALFIED
TYPE OF LOFT CONVERSION SERVICES
What’s Included in Every Project
Complete Design Package:
- Architectural floor plans and elevations
- Structural calculations and engineering
- Building regulation compliance drawings
- Planning application support (if required)
OUR DESIGN AND PLANNING PROCESS
PROPERTY SURVEY
Comprehensive assessment of your loft space, structural requirements, and planning constraints completed within 10 working days of booking. Our detailed survey identifies opportunities and challenges to inform the loft conversion design process.
INTIAL DESIGN
Concept development that maximise space while ensuring compliance with building regulations. Loft plans are completed within 2 weeks and focus on optimizing your loft’s potential while meeting all technical requirements for your new loft space.
PLANNIG APPLICATION MANAGEMENT
Expert handling of planning permission applications and building regulation drawings submissions. Our team manages all communication with local council authorities and ensures applications are complete and accurate for fast planning approval.
TECHNICAL DRAWING PACKAGE
Final professional architectural drawings that provide complete documentation for your loft conversion. These detailed plans for home improvement ensure builders have everything needed for accurate construction while meeting all regulatory requirements.


ABOUT AC DESIGN SOLUTION
From builders to designers
We started as builders who understood the frustration of poorly designed plans. This hands-on experience taught us what works in practice, not just on paper. Today, we’re London’s trusted specialists for loft conversion plans that builders can actually work with, helping create your beautiful loft space.
Planning Success
With a 98% approval rate on first submission, our understanding of local planning requirements ensures your application has the best chance of success. We know what planning officers look for and design accordingly, whether you’re planning an extension or adding a loft conversion.
Results we acheived
From single-bedroom additions to complex multi-room conversions, every project receives the same attention to detail and exceptional professional standards. Our proven track record speaks for itself with over 1,000 successful projects completed across London , consistently delivering outstanding results.
Completed Projects
Over 1,247 completed projects clearly demonstrate our proven expertise and unwavering reliability. Each individual project adds to our comprehensive understanding of what works in London’s diverse housing stock, benefiting every future client seeking expert architectural drawings
Design Experience
Our 12 years of experience creating london loft conversion projects across the capital means we understand the unique challenges of different property types. From Victorian terraces to modern apartments, we’ve successfully designed conversions that maximise space while meeting planning permission
Avg. Client Rating
Our 4.9 out of 5 average client rating reflects our commitment to quality service and customer satisfaction. We maintain this high standard through professional communication, accurate drawings and calculations, and reliable project management.
Most frequently asked questions
Q. Do I need an architect for my project?
Not necessarily. Our qualified architect technicians can handle All loft conversion projects at a fraction of traditional architect costs while maintaining professional standards and regulatory compliance for any type of conversion.
Q. Do I need planning permission for a loft conversion?
Many planning applications aren’t needed as most loft conversion projects fall under Permitted Development rights. We assess your specific situation and advise on requirements during our initial survey, whether you’re planning a loft conversion or considering extension or conversion options.
Q. What's included in your fixed price?
Everything needed for approval including survey, drawings and planning services, calculations, applications, and revisions. Our fixed-price loft package ensures no hidden costs or surprise fees during your project.
Q. Do you handle the entire planning process?
Yes, we manage everything from initial assessment through to final planning approval. We keep you informed at every stage while handling all communication with local council authorities through our comprehensive planning services.
Q. What areas do you cover?
All London boroughs and surrounding areas within the M25. We have extensive experience with local planning authority requirements across the region and understand the specific challenges of different areas, from central London to North west london
Q. Why are your prices lower than architects?
We specialize specifically in loft conversion and house extension projects, allowing us to streamline our process and pass savings to clients while maintaining quality. Our focused expertise means efficient service at competitive prices.
Q.How long does the process take?
Survey within 7 days of booking, loft conversion design completed in 2 weeks, and typical planning approval within 6-8 weeks for applications requiring permission. Most clients can start construction within 8-10 weeks.
Q.Designs in 2 weeks
Our streamlined loft conversion design process means we can deliver your loft conversion drawings within 2 weeks of completing the survey. This fast turnaround keeps your project moving forward quickly.
Q.Do loft conversions add value
Research consistently shows that well-executed loft conversion projects can add 15-25% to property values. In London’s property market, this often exceeds the total project cost, making loft conversion one of the smartest home improvements you can make.
Q.How long does it take to get planning permission?
Standard planning permission applications take 6-8 weeks for local council review. However, many loft conversion projects qualify for Permitted Development rights and don’t require planning permission, allowing you to start work much sooner with just building regulation drawings.
Q.Do i need a certificate of lawful development to convert my loft ?
While not always legally required, we recommend obtaining a Certificate of Lawful Development for Permitted Development projects. This provides legal certainty and protects your investment by confirming your loft conversion complies with planning and building regulations.
Get your instant online quote now!
Put £2000* back in your pocket compared to hiring a traditional architect—perfect for financing that new kitchen.