Skip to content
Before Concrete Studio, home

Guides

How accurate are architectural renderings?

A rendering can look perfect and still be wrong: a window on the wrong wall, a door that isn't on the plan, a room stretched to look bigger. Here's what accurate should mean, and how to check.

Aden Ennis · October 25, 2026 · 6 min read

What accurate should mean

The things that get built should match the drawings: every wall, window and door in the right place and about the right size, ceiling heights, where the cabinets run, room proportions, and what you can see through a doorway. The things that don't get built from the drawings, like the light, the furniture and the landscaping, are choices, and they should be labeled that way.

Where renders usually go wrong

These show up again and again, especially in fast or cheap renders:

  • A window moved to another wall, resized, or doubled
  • Doors that aren't on the plan, or doors hung the wrong way
  • Rooms stretched deeper or taller than drawn
  • Things added that nobody drew: beams, glass walls, extra steps
  • Fixtures turned or moved: a range on the wrong wall, an island too long

How I check every view

Each image comes from a camera I place on the plan. Five rays split the camera's view on the plan, and the same five lines cross the image. Read both left to right: whatever sits between two rays on the plan has to sit between the same two lines in the image, in the same order. If it doesn't, the image gets fixed before you see it.

The Spanish Colonial home's plan, lined up for the check.
RenderingThe Spanish Colonial home's plan, lined up for the check.

How to check a rendering yourself

You don't need special tools. With the plan next to the image:

  • Pick one wall and count the openings left to right, on the plan and in the image.
  • Compare window sizes with the elevations: tall, short, high over a tub.
  • Look through every doorway: what you see should be the room the plan puts there.
  • Check ceilings: a flat 9-foot ceiling shouldn't come back vaulted.
  • Ask the studio who pays when something doesn't match.

What a rendering can't promise

A rendering is a representation, not a measured drawing. Colors shift with screens and light, and furniture and planting are staging. Your plans and your selections are what get built. Every image I deliver is labeled as a rendering and sent with the plan it was made from, and if one doesn't match the plans, I fix it free.

Rendering of the great room from its corner by the TV wall: a cream sofa, two round armchairs and a wood coffee table on a jute rug under a black ceiling fan, black-framed windows and a sliding glass door to the covered patio, and the kitchen beyond, with its island, four stools and black dome pendants.
RenderingThe great room it was checked against: kitchen wall, dining window, patio wall.

Free consultation

Let’s go through your plans.

A free call to go through your plans and what you need. I reply within one business day; you get a price and a delivery date. No commitment.