Squarespace Design · Templates Pillar

How Squarespace Templates Work, and When to Customise

On modern Squarespace, the template is a starting point, not a cage: one system underneath, every look reachable. Here is how it works, the customisation ladder, and the honest custom-design answer.

Updated: July 2026
Written by: Andrew Odgers, Managing Director
Reading time: 8 minutes
The short answer

Modern Squarespace templates are designed starting points on one shared system: you are never locked in, any site can be restyled into any look without migration. The customisation ladder runs site styles → sections and blocks → custom CSS → full custom design, and a skilled no-code pass with strong photography escapes the template look entirely. A custom Squarespace design is a bespoke design built on the platform, not a different platform, and most businesses do not need one; it earns its fee when your brand is the product, your content fits no template, or distinctiveness is your differentiation.

The system

Starting points, not cages: how the template system works

The most useful fact about modern Squarespace is that templates are starting designs, not structures you marry. Every site runs on the same underlying system; templates differ in their initial layouts, demo content and style settings, which means you are never trapped by your first choice, any site can be restyled and rebuilt into any other look, content intact, no migration, a genuine advantage over platforms where changing themes is a project. From that foundation, the working parts are two: pages composed of sections and blocks, layouts, galleries, forms, text and image blocks arranged freely in the editor, and one site-wide style system, fonts, colour palettes, spacing, buttons, that changes everything consistently in one place. And from those parts, the customisation ladder climbs: rung one, site styles, where typography and colour become yours; rung two, section and block composition, where each page gets arranged around your content rather than the demo's, the level at which, with strong photography, a site stops looking like its template at all, per what makes a good Squarespace website design; rung three, custom CSS, a few well-written rules unlocking spacing and layout details the style system does not expose, safe as garnish, documented, and reviewed after platform updates; and rung four, full custom design, which deserves its own section, because it is where the money question lives.

RUNG 01–02

Styles & sections

Where most sites should live: typography, colour and composition applied with intent, no code, no update friction.

RUNG 03

Custom CSS

A professional garnish: a few documented rules for what styles cannot reach, never the foundation of the design.

RUNG 04

Custom design

A bespoke design built on the platform: total distinctiveness, editor still usable, priced for when sameness costs business.

The custom question

What a custom Squarespace design is, and whether you need one

A custom Squarespace design is a design created specifically for your business, then built on the platform: bespoke layout thinking, a typography and colour system drawn from your brand, section compositions designed around your actual content, usually extended with custom CSS where the style system stops short. Crucially, it is not a different platform or a custom-coded website, it runs on the same Squarespace underneath, which keeps the editor usable by you and the maintenance light, the very handover advantage covered in DIY vs hiring a designer. What it buys is a site that could not be mistaken for anyone else's. Do you need one? Most businesses honestly do not: a quality template customised with skill through the ladder's first three rungs serves the great majority. Custom design earns its higher fee in specific cases: a brand whose identity is the product, studios, premium services, businesses selling taste, where looking like a template quietly undermines the offer; content or services no template layout presents well; or a crowded local market where distinctiveness is the differentiation strategy itself. And because custom design on Squarespace costs far less than custom-coded sites elsewhere, the threshold sits lower than the word "custom" suggests, the ranges are in how much a Squarespace designer costs, but the test never changes: pay for it when sameness costs you business, not before.

Changing your mind later

The system's final kindness is that none of these decisions is permanent. Because every site shares the same underpinnings, "changing template" on modern Squarespace really means restyling the site you have: styles, sections and layouts evolve, content stays, nothing migrates, and a business can climb the ladder over years, launch on a well-styled template, add CSS refinements, commission custom design when the brand matures, without ever rebuilding from scratch. The one honest caution: a full redesign is still design work, hours of styling, arranging and reviewing, so "we can change it anytime" is true of the system and optimistic about the effort. Choose your starting template for your content's shape, climb only as high as your needs demand, and the full comparison of the two ends of the ladder lives in free templates vs custom design.

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Frequently asked

Squarespace templates

How do Squarespace templates work?
On modern Squarespace, a template is a designed starting point rather than a locked-in structure: every site runs on the same underlying system, and templates differ in their initial layouts, demo content and style settings. That has a liberating consequence: you are never trapped by your first choice, since any site can be restyled and restructured into any other look. Pages are composed of sections and blocks, arranged and configured in the editor, while site-wide styles, fonts, colours, spacing, buttons, live in one style system that changes everything consistently.
How much can you customise Squarespace without code?
A long way, further than most sites ever go. The no-code ladder: site styles, typography, colour palettes, spacing and button styling applied everywhere at once; section and block composition, building each page from layouts, galleries, forms and content blocks arranged freely; and per-section design options, backgrounds, dividers, widths. A skilled pass at those levels, with strong photography, produces a site that looks nothing like its template, per what makes a good Squarespace website design. Code enters only at the next rung, custom CSS for what the style system cannot reach, and it is a garnish, not a foundation.
What is a custom Squarespace design?
A design created specifically for your business and then built on Squarespace, rather than a template's look adopted and adjusted: bespoke layout thinking, a typography and colour system from your brand, section compositions designed around your actual content, often extended with custom CSS where the style system stops short. It is not a different platform or a custom-coded site, it runs on the same Squarespace underneath, which keeps the editor usable and the maintenance light. What it buys is a site that could not be mistaken for anyone else's.
Do I need a custom Squarespace design?
Most businesses do not, and a quality template customised with skill serves them well. Custom design earns its higher fee in honest cases: a brand whose identity is the product, studios, premium services, businesses selling taste, where looking like a template undermines the offer; content or services that no template layout presents well; or a crowded local market where distinctiveness is the differentiation strategy. Because custom Squarespace design costs far less than custom-coded sites, per how much a Squarespace designer costs, the threshold is lower than elsewhere, but the test stays the same: pay for it when sameness costs you business.
Is custom CSS on Squarespace safe to use?
Used judiciously, yes, it is a normal professional tool: a few well-written rules unlock spacing, typography details and layout refinements the style system does not expose. The discipline is proportion and documentation: CSS as garnish on a soundly styled site, commented so a future designer understands it, and reviewed after platform updates since Squarespace occasionally changes underlying markup. A site held together by hundreds of undocumented lines has usually crossed the line where a custom design approach, or simpler ambitions, would serve better.
Can I change my Squarespace template later?
On modern Squarespace the honest answer is that you restyle rather than switch: because every site runs on the same system, changing your look means changing styles, sections and layouts on the site you already have, content stays, design evolves, with no migration. That is a genuine advantage over platforms where a theme change is a project. The practical caution is simply that a full redesign is still design work, hours of styling, arranging and reviewing, so 'we can change it anytime' is true of the system and optimistic about the effort.