Lewisham architectural drawings
Plans for extensions, lofts and conversions in Lewisham
Local London designers • Fixed fee guaranteed • Council-ready drawings
WEDRAWPLANS prepare planning and technical drawings for house extensions, loft conversions, internal remodelling and flat conversion projects across the London Borough of Lewisham. Fixed fees with clear scope and fast communication.
- • Rear and side extensions including wrap around layouts
- • Loft conversions including dormers and hip to gable
- • Flat conversions, layout upgrades and internal remodelling
- • Planning drawings and building regulation packs
- • Covering Brockley, Crofton Park, New Cross, Deptford, Catford and more
- • Same day response on most enquiries
Free fixed fee quote
Tell us a little about your property and what you plan to build. We will reply with a clear fixed fee for your drawings.
Popular services in Lewisham
We provide full design and planning services for extensions, loft conversions and new build developments. Each service page explains what is included, how approvals work, and how to get a fixed quote.
Nearby borough pages
Explore our local pages for nearby boroughs. If you are close to the border, these pages may be relevant for your project.
Architectural drawing services in Lewisham
WEDRAWPLANS provide full drawing packages for extensions, loft conversions, internal alterations, outbuildings and flat conversion projects across Lewisham.
We work throughout Lewisham, Brockley, Crofton Park, New Cross, Deptford, Forest Hill, Honor Oak, Sydenham, Catford, Hither Green, Lee and Telegraph Hill.

Technical drawings builders can price from
Clear floor plans, elevations, sections and notes, coordinated with structural design so builders and inspectors have what they need.
Lewisham areas we cover

Drawings for the whole borough of Lewisham, including:
- Brockley SE4
- Crofton Park SE4
- New Cross SE14
- Deptford SE8
- Forest Hill SE23
- Honor Oak SE23
- Sydenham SE26
- Catford SE6
- Hither Green SE13
- Lee SE12
- Telegraph Hill
- Blackheath borders
Popular projects in Lewisham
- Rear and wrap extensions
- Side infill and kitchen reworks
- Loft conversions and dormers
- Hip to gable loft conversions
- Internal remodelling and knock throughs
- Garden studios and outbuildings
- Garage conversions
- Flat and maisonette conversions
- Refurbishment and compliance upgrades
- Small infill schemes

Permitted development limits in Lewisham
This is a simplified guide to common permitted development limits. Final confirmation depends on your house type, location, conservation constraints and any Article 4 directions.
Rear extensions
- Up to 3 m deep on terraces
- Up to 4 m on semi detached houses
- Up to 6 to 8 m with Prior Approval
- Maximum 4 m high for single storey
Loft conversions
- Up to 40 to 50 cubic metres volume
- No extensions on the front roof slope
- Side windows obscure glazed and fixed
- External materials to be similar
Outbuildings
- Maximum 2.5 m high near boundaries
- Cannot be used as a separate dwelling
- Use must be incidental to the house
- Not more than 50 percent of garden area
Planning drawings for Lewisham
- Existing and proposed floor plans
- Existing and proposed elevations
- Roof plans and key sections
- Block plans and location plans
- Drainage and construction notes
- Design and access or heritage statements where needed
Building regulation drawings for Lewisham
- Structural layouts and coordination
- Foundation and beam information
- Fire safety and escape routes
- Thermal build ups and insulation specs
- Ventilation and extract positions
- Drainage runs and manhole information
Local planning knowledge for Lewisham projects
Lewisham includes conservation areas, character terraces and hilly streets where daylight, height and massing are closely assessed. We shape each scheme to fit local context so approval chances are as strong as possible.
Frequently asked questions
Do I need planning permission in Lewisham
Many extensions and lofts can proceed under permitted development. Flats and some conservation areas usually need planning permission. We check your address and advise the best route at the start.
How fast can you survey
In most cases we can arrange the initial measured survey within forty eight hours of instruction.
Do you submit to Lewisham Council
Yes. We handle the submission, monitor progress and respond to planning officer queries.
Can you coordinate structural design
Yes. We coordinate with structural engineers so beams and load paths are designed and shown correctly on the drawings.
Ready to start your project
Send your postcode and a short description. We review and reply with a fixed fee and recommended next steps.
