top of page

Why “Not to Scale” Doesn’t Work in Architecture

Updated: Jun 1

You’ve probably seen it before—estate agent drawings, developer sketches, or quick PDFs marked “Not to Scale.” For casual reference? Fine. For architecture, planning, or construction? Absolutely not.


At Rosenkelly Architectural Design, based in Weymouth, we know just how often people rely on rough sketches to begin a project. And that’s okay—we all start somewhere. But when it’s time to submit to Dorset Council, apply for building control, or actually build the thing? You need accurate, to-scale plans that comply with regulations and won’t come back flagged.


Turning Concepts into Compliance

Even if you’re starting with a sketch on a napkin or an old floor plan from a property listing, we can help. We specialise in taking early-stage concepts and translating them into detailed, accurate plans—whether that’s:

  • Full 2D planning application drawings

  • 3D visuals and renders for marketing or design intent

  • Geometry-refined models for feasibility or compliance

  • Measured surveys and as-built plans


As the only ARB-registered architect in the DT4 postcode, we’re committed to precision, compliance, and clarity—especially for local clients in Weymouth, Portland, and across Dorset.


Why Scale Matters

Planning departments like Dorset Council won’t validate or assess a planning application based on loose sketches or PDFs that don’t show scale. Key issues that can result from relying on unscaled material:

  • Mismatched measurements lead to invalid planning applications

  • Builders can’t quote or construct from vague sketches

  • You risk costly rework during building control

  • Local authorities may refuse unclear or incorrect submissions

That’s why scale is more than a formality—it’s a foundation. We take your ideas and make them accurate, buildable, and ready for approval.


Local, Professional, Efficient

We’re proud to work with homeowners, developers, landlords, and builders in Dorset who need fast, clear, and reliable drawings—done right the first time.

If you're in Weymouth or Portland, we offer reduced rates for site visits and consultations as part of our hyper-local commitment. We joined the Weymouth & Portland Chamber of Commerce to help shape the town’s future positively and collaboratively—because design should benefit the whole community.

Not to scale
Free Scale Ruler

Need to Go from “Not to Scale” to “Ready for Planning”?

Let’s make it happen. Whether it’s a two-storey extension, a loft conversion, or a full new build, Rosenkelly Architectural Design can guide your project from sketch to scale.






People also ask:

bottom of page