Amogh N P
 In loving memory of Amogh N P — Architect · Designer · Visionary 
Notre-Dame de Paris — the long flank and apse ringed by flying buttresses, in a historic photograph; the early Gothic benchmark, begun in 1163.
Unit IIHistory of Architecture - III

Gothic

Pointed arch, ribbed vault, flying buttress — the wall dissolves into stained glass.

≈ 40 min + study task

Take the Romanesque problem — a heavy vault that pushes outward and demands thick walls — and solve it three ways at once, and you get the Gothic. Born in the Île-de-France around 1140, it married the pointed arch, the ribbed vault and the flying buttress to turn solid stone into a soaring skeleton. With the thrust thrown outward, the wall could fall away into stained glass. This is architecture as light — and a structural revolution.

Learning objectives

By the end of this lesson, you will be able to — mapped to the course outcomes for History of Architecture III:

1
CO2 · Understand

Describe the architectural character of Gothic and how it evolved out of Romanesque.

2
CO2 · Analyse

Explain how the pointed arch, ribbed vault and flying buttress work together to raise height and open the wall.

3
CO2 · Analyse

Trace the evolution of vaulting from sexpartite to quadripartite, and on to the English fan vault.

4
CO6 · Apply

Compare the French, English, Venetian and Italian Gothic through Notre-Dame, Westminster, the Doge's Palace and Milan.

The structural revolution

The three inventions

The pointed arch frees height from span; the ribbed vault carries loads on a stone skeleton with a light web; the flying buttress throws the vault's thrust across the aisle to an external pier. Together they make a skeletal frame, and the wall becomes a cage of glass.[1, 2]

How Gothic stands up — section through the nave pointed arch ribbed vault flying buttress buttress pier + pinnacle vault thrust thrown outward → side aisle
DiagramCross-section of a Gothic nave showing a pointed-arch nave roofed by a ribbed vault, its thrust carried by a flying buttress across the aisle to an external buttress pier topped by a pinnacle

Height freed from span

A round arch's height is locked to its width; a pointed arch can be drawn tall or narrow at will, so arches of different spans can all reach the same crown height. That let masons vault rectangular bays evenly and push the whole building upward — verticality is the essence of Gothic. (The pointed arch is not a pure Gothic invention; it has earlier Islamic precedent.)[1, 2]

The evolution of vaulting (seen from below) Sexpartite (six-part) two bays, six webs Quadripartite (four-part) one bay, four webs — the standard Fan vault late English — conoid fans
DiagramThree vault plans: the six-part sexpartite vault, the four-part quadripartite vault and the late English fan vault
The wall dissolves — a Gothic nave elevation arcade triforium clerestory (stained glass) rose window
DiagramThe three-storey elevation of a Gothic nave wall — arcade, triforium and clerestory — beside a great rose window
France, England, Italy

The great examples

Read the regional accents through four buildings: French verticality at Notre-Dame de Paris, French-modelled English Gothic at Westminster Abbey, the patterned lightness of the Venetian Doge's Palace, and the marble pinnacle-forest of Milan Cathedral.[1, 4] (A caveat: Hampton Court, on the syllabus list, is Tudor brick, not high Gothic.)

The early Gothic benchmark

Begun in 1163 under Bishop Maurice de Sully, Notre-Dame de Paris pioneered the rib vault, the flying buttress and giant rose windows. (Note: the originality of its flyers is a genuine scholarly debate, and all surviving flyers are later replacements.) The 2019 fire destroyed the timber spire and roof, but the three 13th-century rose windows survived; the cathedral reopened in December 2024.[1, 4]

The forest of marble pinnacles and statuary on the roof of Milan Cathedral (Duomo di Milano) — Italian Gothic begun in 1386.
PhotoThe forest of marble pinnacles and statuary on the roof of Milan Cathedral (Duomo di Milano) — Italian Gothic begun in 1386.Zairon · CC BY-SA 4.0 · via Wikimedia Commons
The Doge's Palace (Palazzo Ducale, right) beside St Mark's Basilica, Venice — Venetian Gothic loggias of pointed, quatrefoil-traced arches under a pink-and-white patterned wall.
PhotoThe Doge's Palace (Palazzo Ducale, right) beside St Mark's Basilica, Venice — Venetian Gothic loggias of pointed, quatrefoil-traced arches under a pink-and-white patterned wall.dconvertini · CC BY-SA 2.0 · via Wikimedia Commons
At a glance

Romanesque vs Gothic

AspectOneThe other
Arch geometryRomanesque round arch — height tied to spanGothic pointed arch — height free of span
WallRomanesque: thick, dim, small windowsGothic: skeletal frame, stained-glass cage
VaultEarly Gothic: six-part (sexpartite)Mature Gothic: four-part (quadripartite) → fan vault
ButtressingRomanesque: internal massGothic: external flying buttress
Regional accentFrench (Notre-Dame): verticality, flyers, glassVenetian/Italian (Doge's Palace, Milan): pattern, marble, pinnacles
Westminster Abbey, London — rebuilt from 1245 on the French Gothic model, with the Perpendicular Henry VII Chapel beyond.
PhotoWestminster Abbey, London — rebuilt from 1245 on the French Gothic model, with the Perpendicular Henry VII Chapel beyond.The New Athens · CC BY-SA 2.0 · via Wikimedia Commons
Vocabulary

Key terms

Pointed arch

An arch meeting at a point; its height is independent of its span.

Ribbed vault

A vault carried on a skeleton of stone ribs, with a thin web between.

Flying buttress

An external half-arch transmitting vault thrust to a freestanding buttress pier.

Clerestory

The upper, window-pierced level of the nave wall above the aisle roofs.

Triforium

The arcaded middle storey between the nave arcade and the clerestory.

Tracery

Ornamental stone ribwork dividing a window or applied to a wall or loggia.

Rose window

A large circular stained-glass window with radiating tracery.

Fan vault

A late-English vault of concave conoid fans of identical ribs (Henry VII Chapel).

Apply it

Study task

Draw a section through a Gothic nave and trace, with a single arrow, the path of the vault's thrust from the crown of the vault out to the ground. Label the pointed arch, the rib, the flying buttress and the buttress pier — and explain in one line why the wall no longer has to be thick.

Check your understanding

Self-assessment

1. Which trio of innovations defines structural Gothic?

2. The Henry VII Chapel at Westminster Abbey is famous for its —

3. On the syllabus list, which building is actually Tudor brick rather than high Gothic?

In a nutshell

Recap

Gothic (c. 1150–1500) began in the Île-de-France and turned heavy Romanesque stone into a soaring skeleton of pointed arches, ribbed vaults and flying buttresses.
With thrust thrown out to external buttresses, the wall became a screen of stained glass — arcade, triforium and clerestory stacked up the nave.
Read the regional accents: French verticality (Notre-Dame), French-modelled English (Westminster), Venetian pattern (Doge's Palace) and Italian pinnacle-forest (Milan).
Flag two things: 'Gothic' began as a Renaissance insult, and Hampton Court is Tudor brick, not high Gothic.
The evidence

References & further reading

  1. [1]Banister Fletcher's A History of Architecture (20th ed.), ed. Dan Cruickshank. Architectural Press, 1996.
  2. [2]Francis D.K. Ching, Mark Jarzombek & Vikramaditya Prakash, A Global History of Architecture (3rd ed.). Wiley, 2017.
  3. [3]Spiro Kostof, A History of Architecture: Settings and Rituals (2nd ed.). Oxford University Press, 1995.
  4. [4]Cathédrale Notre-Dame de Paris — official site (reopened December 2024). https://www.notredamedeparis.fr/en/
  5. [7]Westminster Abbey (with the Palace of Westminster) — UNESCO World Heritage Centre. https://whc.unesco.org/en/list/426
  6. [8]Duomo di Milano — Veneranda Fabbrica del Duomo (official site). https://www.duomomilano.it/en/

Further reading

  • Banister Fletcher's A History of Architecture — the Gothic chapters.
  • Rolf Toman (ed.), Gothic: Architecture, Sculpture, Painting. Könemann / h.f.ullmann.
  • Marvin Trachtenberg & Isabelle Hyman, Architecture: From Prehistory to Postmodernity (2nd ed.). Prentice Hall, 2002.

Sources gathered and fact-checked June 2026. Published values vary by source, sample and method — treat as indicative and confirm against the cited standard before structural use.