London architectural drawing specialists

House Extension, Loft Conversion and Building Regulation Drawings in London

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✓ Fixed price
✓ Fast turnaround
✓ London experts

Planning drawings specialists

Used across London
Trusted by homeowners and property professionals across London and the M25.
Fast response
Quick quotes, rapid contact and initial survey availability within 48 hours.
Built for approvals
Planning and Building Regulation drawings prepared to move projects forward.

Architectural drawing showcase

Professional drawings prepared for planning, pricing and construction

Planning drawings, building regulation details and design packages prepared to help homeowners, builders and councils move forward with clarity.

Kitchen extension with rooflight

WEDRAWPLANS project showcase

Kitchen extension with rooflight

Loft conversion with dormer

WEDRAWPLANS project showcase

Loft conversion with dormer

Open plan living with garden

WEDRAWPLANS project showcase

Open plan living with garden

Extension plans · loft plans · new build and technical drawings

WEDRAWPLANS follow a clear and structured approach, while adding more depth around construction, structural coordination and on site delivery.

Extension plans

  • Rear extension plans
  • Side return extension plans
  • Wrap around extension plans
  • Two storey extension plans
  • Kitchen extension layouts

Plans, elevations and roof layouts for single and two storey extensions prepared for planning, lawful development certificates and construction.

Loft conversion plans

  • Dormer loft conversions
  • Hip to gable conversions
  • Mansard loft conversions
  • Velux loft layouts
  • Attic conversions

Stair design, headroom checks, dormer massing and roof plans set out with clear sections that are ready for structural engineer input.

New build and conversions

  • New build house layouts and elevations
  • Backland and infill developments
  • Blocks of flats and small schemes
  • Conversion to self contained flats
  • HMO layout and licensing drawings

Site layouts, access strategies and unit plans for small residential developments, supported by practical build experience.

Architectural drawings for almost any residential project

From a simple rear extension to full house remodelling and new build, WEDRAWPLANS provide drawings for a wide range of project types.

House extension plansLoft conversion plansNew build house plansGarden room and outbuilding plansGarage conversion plansBasement and lower ground conversionsInternal remodelling and open plan layoutsProperty conversion to flatsHMO layout and licensing drawingsElevation drawings and street scenesFire escape and evacuation plansPlanning pre application reportsListed and heritage building drawingsLawful development certificate drawingsMeasured survey and as existing drawings3D visual and massing sketchesDisability and accessibility adaptationsWorkplace and studio layout plans

Support services around your drawings

Beyond pure drawing production, WEDRAWPLANS help bring projects together by coordinating key professionals and offering additional documentation where needed.

Measured surveys

On site measured surveys to capture accurate as existing information, followed by clear survey drawings that can be reused by other consultants.

Structural engineer coordination

Close coordination with structural engineers so beams, padstones and foundations are correctly shown and noted on architectural plans.

Party wall and neighbour support

Plans and sections that support party wall procedures, including drawings that highlight areas of work near boundaries.

Interior layout and finishes plans

Interior layouts, kitchen and bathroom arrangements and simple finishes plans for clients who want more than basic space planning.

3D visuals and simple CGI

Where helpful we provide basic three dimensional views or simple CGI images so neighbours and decision makers can better understand the proposal.

Contractor and supplier introductions

For suitable projects WEDRAWPLANS can introduce builders and specialist suppliers so that the design can move efficiently into construction.

Price guide for drawings

Every project is quoted once the scope and location are understood. These guide figures reflect common extension and loft projects.

House extension planning drawings

from £750 + VAT

Existing and proposed floor plans and elevations set out for planning or lawful development applications.

Loft conversion planning drawings

from £750 + VAT

Plans, elevations and key sections tailored to the roof form and staircase position.

Building Regulation drawing packs

priced to scope

Technical sets with notes, sections and construction details coordinated with structural engineer designs.

Phone consultation

Arrange a telephone consultation to talk through ideas, budget and planning routes before making any commitments.

Give us a call now

Talk to WEDRAWPLANS today about an extension, loft or new build on 020 3654 8508.

Free quote

Use the enquiry form to send a short description and WEDRAWPLANS will email a clear fixed fee for the drawings.

Get in touch and tell us what you need

Share a short description of the property and what you would like to achieve. WEDRAWPLANS normally respond the same working day.

WEDRAWPLANS provide a full range of architectural drawing services for new builds, house extensions, loft conversions, garage conversions, garden rooms, flat conversions, HMOs and commercial developments.

The focus is on clear, buildable designs that support planning and Building Regulation approvals and that help builders understand exactly what is intended on site.

If you already have estate agent plans, older drawings or simple sketches, you can email them together with photos so the property can be reviewed before a call.