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Before and after visualization of a rear extension to a brick family house
Service / house extension plans

House Extension Plans & Extension Drawings

A clear architectural package for understanding and developing your home extension.

Before and after visualization of a rear extension to a brick family house
Illustrative comparison — existing and proposed rear extension
What this solves

Clear scope.
Useful output.

For homeowners using UK-style search language, Artimist develops existing and proposed drawings for house extensions while keeping the professional boundary clear: we provide remote design and documentation support, and locally required planning, building-regulations, structural and licensed-professional responsibilities remain with the appropriate local parties.

Homeowners planning rear, side, side-return or multi-storey extensions and builders or local professionals who need additional architectural production support.

Full service overview and audience

For homeowners using UK-style search language, Artimist develops existing and proposed drawings for house extensions while keeping the professional boundary clear: we provide remote design and documentation support, and locally required planning, building-regulations, structural and licensed-professional responsibilities remain with the appropriate local parties.

Homeowners planning rear, side, side-return or multi-storey extensions and builders or local professionals who need additional architectural production support.

Before and after visualization of a rear extension to a brick family house
01 / Illustrative comparison — existing and proposed rear extension
House section showing the junction with a rear extension
02 / Section / Existing-to-new junction · Concept study
Rear extension design for a residential property
03 / Design / Extension form · Concept study
Resolved contemporary home exterior
04 / Outcome / Coordinated exterior
Working standard

ScopeAgreed before production

ReviewsMilestones and revisions defined

HandoverFormats listed in writing

Local approvalsLicensed stamps stay local

Read full client terms
Problems we solve

Where we become useful.

  • The extra space is needed but the extension layout and connection to the existing house are unresolved.
  • Existing and proposed drawings are needed to explain the scheme clearly to local professionals.
  • Roof, openings, circulation and exterior form need to be coordinated before the project moves further.
House section showing the junction with a rear extensionExisting home / extension / proposed elevation
Scope / outputs

What can be included.

01Existing floor plans
02Proposed extension plans
03Rear and side elevation drawings
04Building sections
05Roof and massing studies
06Room and circulation planning
07Remote documentation support
08Optional 3D exterior/interior views
You can send
  • Measured survey or reliable existing plans
  • Site photographs
  • Project brief
  • Property and local requirement information
  • Local professional comments where available
You can receive
  • Existing and proposed architectural drawing package
  • PDF issue set
  • DWG or Revit files where included
Working route

How the project moves.

Selected visuals illustrate the stages; they are not a single-project before-and-after sequence. Concept studies are not issued construction documents.

Existing residential property reference01

Understand the existing property

We start from reliable existing information and the space you are trying to gain.

Extension section study02

Develop the extension

Plan, circulation, openings, roof and exterior form are resolved as one design rather than separate drawings.

Existing and proposed rear extension comparison03

Coordinate for local review

The agreed architectural package is prepared for review by the relevant local planning, building-control, engineering or licensed-professional team as applicable.

Software / capabilities
AutoCADAutodesk RevitSketchUp3ds Max
Related projects

Explore the work in context.

Before we start

Useful answers.

Do you provide planning drawings?

We can prepare architectural drawings for review and use within the local process, but the exact submission route and professional responsibilities depend on the property and authority and should be confirmed locally.

Can you design a rear or side-return extension?

Yes, provided reliable existing information and the relevant constraints are available.

Do you provide structural calculations?

Not as a default architectural service. Where structural engineering is required it should be handled or reviewed by an appropriately qualified local professional.

Can you show the extension in 3D?

Yes. Exterior and interior visualization can be included to make massing, daylight, materials and the connection to the existing house easier to judge.

Your project / next step

Send what you have.
We’ll find the next move.

A plan, model, survey or rough brief is enough to begin.

ARTIMIST / INTERACTIVE STUDIO

Your project.
Every angle.

See and interact with your model through our site.

Choose a project, rotate it and zoom into the details. Explore architecture, interiors and product models directly in your browser.

EXPLORE THE INTERACTIVE STUDIO

13 PROJECT PREVIEWS · ROTATE · ZOOM · EXPLORE

Revised Bettina bathroom with blue walls, a white vanity and chrome fittingsFROM PRESENTATION TO EXPLORATION

Working standard

Clear before commitment.

Scope, confidentiality and handover are agreed in writing. Project-specific signed terms always take priority.

01

Scope first

Deliverables, timing, revisions and fees are agreed before production.

02

Confidential when needed

NDA-based workflows are available before sensitive files are shared.

03

Defined handover

Final PDFs, DWGs, RVTs, images, films or source files follow the written scope.

04

Honest local boundary

Required stamps, seals and statutory certification stay with the appropriately licensed local professional.

Permit-support may include package preparation, coordination and submission support when agreed. Artimist does not supply a regional architectural or engineering stamp; any legally required stamp, seal or certification must come from the appropriately licensed local professional. Read full client terms →