Elizabeth Bay House – 7 Onslow Avenue – Elizabeth Bay – NSW
Built 1835–1839 · Architects John Verge & John Bibb (British plan attrib.) · Standing — Museums of History NSW house museum
On the northern edge of Woolloomooloo Hill — before Onslow Avenue, before the flat boom, before Elizabeth Bay meant balcony views for rent — Colonial Secretary Alexander Macleay planted a private botanic garden on fifty-four acres of harbour rock and bush, then raised what contemporaries called the finest house in the colony. The oval saloon still soars. The planned Doric colonnade never arrived. The acres became a suburb. The house became flats, a squat, a reception venue — and, after one of Australia’s first scholarly restorations, a public museum. Ambition, insects, bankruptcy, and a staircase like an arum lily: welcome to Elizabeth Bay House.
**At a glance**
- Address: 7 Onslow Avenue, Elizabeth Bay NSW 2011
- Built: plans from 1832; constructed 1835–1839; occupied 1839
- Architect: John Verge and John Bibb supervising; SHR notes an unknown British designer / imported scheme Verge modified; builder James Hume
- Style: Greek Revival / Colonial Regency villa — severe unfinished exterior; celebrated oval domed saloon and cantilevered stair
- Original owner: Alexander McLeay / Macleay (Colonial Secretary of NSW), with wife Eliza
- Estate: c.54 acres (22 ha) grant by Governor Darling; gardens internationally famous; suburb of Elizabeth Bay takes its street pattern from the subdivisions
- Heritage: NSW State Heritage Register #00006 (house, 2 April 1999); grotto & works SHR #00116; former Register of the National Estate; early National Trust listing
- Fate / current use: Standing — Museums of History NSW house museum (Historic Houses Trust / Sydney Living Museums lineage); free entry; events hire
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### Site & setting
The Aboriginal name recorded for Elizabeth Bay is **Gurrajin** (official dual name with the European placename). This was Cadigal Country on Sydney Harbour — fishing ground, contact landscape, and, under Governor Macquarie, the site of **Elizabeth Town**: bark huts and a fishing settlement associated with **Bungaree**’s group (c.1815–1820s), downslope toward today’s Beare Park. Governor Brisbane later eyed the bay for an asylum. Instead, soon after Alexander Macleay arrived as Colonial Secretary in January 1826, Governor Darling granted him about **fifty-four acres** with commanding harbour views — a grant that drew heated newspaper comment for alienating public land.
Macleay did not clear-fell and start again. With assigned convict labour and gardener **Robert Henderson**, he kept indigenous trees where he could, cut picturesque walks, and layered in a private botanic garden of walls, grottoes, ponds, gravel paths, Cape bulbs, and fruit from half the globe. *The Sydney Gazette* (May 1831) already sang the transformation. Joseph Hooker in 1841 called it a “botanist’s paradise.”
Subdivision from the 1840s onward — and especially after William Sharp’s death — carved the estate into the suburb we know. Onslow Avenue sliced the famous front lawn; Billyard Avenue edged what became **Arthur McElhone Reserve** (City of Sydney, landscape architect Ilmar Berzins, 1948–50). Today the villa sits tight among flats, looking north to a fragment of garden and the harbour beyond. The grotto and stone walls survive as rare fabric of that early landscape (separately listed).
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### Timeline
- **c.1815–1820s** – Macquarie’s Elizabeth Town Aboriginal settlement at Gurrajin / Elizabeth Bay (Bungaree association); bay named for Elizabeth Macquarie.
- **24 Jun 1767** – Alexander McLeay born Ross-shire, Scotland (ADB).
- **1794–1825** – Fellow then secretary of the Linnean Society of London; FRS 1809; amasses leading private insect collection.
- **14 Jun 1825** – Appointed Colonial Secretary of NSW (£2000); arrives Sydney **January 1826** with Eliza, daughters, library and collection (ADB / SHR).
- **c.1826** – Granted ~54 acres at Elizabeth Bay; begins estate works (exact deed year sometimes given as 1828 in secondary sources).
- **1826–1830s** – Garden laid out; Deas Thomson helps engineer walks; Verge ledger entries for garden structures **1833**; grotto/walls **c.1832–35**.
- **1832** – Villa plans in hand; construction delayed.
- **1835–1839** – House built (James Hume); Verge & Bibb; occupied **1839**. Intended Doric colonnade never completed.
- **2 Jan 1837** – McLeay quits Colonial Secretary’s office under Bourke (Thomson succeeds) — loss of salary deepens debt (ADB).
- **1839** – William Sharp Macleay joins family in Sydney; reviews finances; drawing-room furnishings ordered in London.
- **1840s** – Depression; 1841 subdivision attempt fails to sell; library and furniture sold; drawing-room pieces go to new Government House (**1845**).
- **1845** – William Sharp takes over debts and house; Alexander & Eliza withdraw bitterly to Brownlow Hill.
- **18 Jul 1848** – Alexander dies at Tivoli, Rose Bay, after a carriage accident (ADB).
- **1845–1865** – William Sharp lives largely alone; scientific salon; dies **1865**; estate to brother George; insect collection to cousin William John.
- **1865–1903** – George subdivides and leases house to Sir William John Macleay & Susan (daughter of Edward Deas Thomson of Barham); collections grow; Macleay Museum at University of Sydney endowed (**1880s–89**); Susan remains to **1903**.
- **1875, 1882** – Further subdivisions; garden shrinks.
- **1891+** – After George’s death, house passes (via Onslow line under W.S. will) to **James William Macarthur-Onslow**; maintenance including plumbing, gas, bathrooms — and **1890s portico / balcony** works (SHR: balcony 1892; Mansfield association for portico).
- **1903–1926** – Leased then sold to leather merchant **George (Col.) Michaelis**; first non-Macleay owner (purchase commonly dated **1911**).
- **Sep 1926** – Sold for **£42,500** (*Daily Telegraph* 30 Sep 1926); Sir Sydney Snow / Elizabeth Bay Estates Ltd era; final land sales **1927**; kitchen wing demolished for access road; house fails to sell; artists squat through Depression.
- **1935** – Renovated as fashionable reception house (Hall / Minnett); celebrity weddings (e.g. Madge Elliott & Cyril Ritchard era noted by MHNSW).
- **1941** – Converted to **fifteen flats** (sympathetic conversion noted in heritage literature); Donald Friend among artist residents.
- **1948–50** – Arthur McElhone Reserve created on former front lawn.
- **1961** – Early National Trust listing wave.
- **1963** – Cumberland County Council purchases house; essential repairs.
- **1972–76** – State Planning Authority / Fisher Lucas (Clive Lucas) scholarly restoration — first intended as Lord Mayor’s residence, then public museum.
- **1977** – Opened to the public.
- **1981** – Among first properties of the **Historic Houses Trust of NSW** (with Vaucluse House); later branded Sydney Living Museums; now **Museums of History NSW**.
- **2 Apr 1999** – Entered on NSW State Heritage Register (#00006).
- **Today** – House museum; free entry; Sunday–Monday opening (check MHNSW); events and weddings by arrangement.
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### Architecture & interiors
Elizabeth Bay House is a two-storey Greek Revival villa on a centralised Palladian plan — square vestibule opening into an **oval, domed saloon** where a **cantilevered Marulan sandstone stair** rises to an arcaded gallery under a lantern. Cedar joinery, blackbutt floors, Grecian architraves, laurel-wreath plasterwork, imitation-bronze cast-iron balusters: this is the interior that made the house’s reputation. ADB Verge called the hall one of the richest and most spatially dramatic interiors in early Australian colonial architecture.
The exterior is another story. Soft Sydney sandstone under sand paint; blind windows for symmetry; a light iron-and-wood portico that was **not** part of the 1830s design. The house was meant to wear a **single-storey Doric colonnade** on three sides — the sort Conrad Martens painted into existence, and the sort Verge built at The Vineyard for Hannibal Macarthur. Money ran out; the colonnade never rose; the façade stayed severe. That incompleteness is not a romantic myth — it is fabric fact, and SHR significance turns on it. The small portico arrived only in the Macarthur-Onslow years, when open French windows otherwise dropped toward a sheer edge.
Service wings and stables are gone (kitchen wing sacrificed in the 1927 carve-up). Cellars remain under the house — two unconnected wings in the SHR description — but treat 1920s press tales of convicts “quartered” there as colour, not conservation evidence. Assigned convict labour built the estate; that much is documented.
**Architect note:** Prefer SHR wording: unknown British designer / imported scheme, realised under **Verge** and **Bibb**, built by **James Hume**. Do not claim a simple “Verge alone” authorship. Interior loosely compared to Henry Holland’s Carlton House for the Prince Regent.
Winter-solstice sunrise bisecting the house front-to-back is a documented observational effect (Malone / Sydney Living Museums); no contemporary document yet found that proves it was intentional — say “aligned” and flag the gap.
Museum interiors today interpret **1839–1845**: inventories, paint scrapes, and furniture trails (including pieces sold to Government House) guide the refurnishing — not a fantasy of how rich Macleay *wished* to live after the crash.
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### People & anecdotes
**Alexander McLeay / Macleay** was Colonial Secretary, Linnean secretary, Fellow of the Royal Society, and a collector whose insect cabinets were said to be unmatched in private hands in England. He worked twelve-hour days for Darling, fought Bourke to a standstill over education and exclusivism, lost office in 1837, took the Speakership of the part-elective Council in the 1840s, and still found time for bulbs, botanic-garden politics, and a harbour showpiece he could not afford. Spelling: ADB files him as **McLeay**; the Australian family settled on **Macleay**.
**Eliza Macleay** ran the household through the rise and the bitterness of the fall. **William Sharp Macleay** — Cambridge scholar, pre-Darwinian theorist, recluse — paid the debts, sold the drawing-room glories, posted dog-warning signs at the boundary, and kept the house as a scientific salon until 1865. Cousin **Sir William John Macleay** and **Susan** (Deas Thomson’s daughter) turned the collections into a public legacy: the **Macleay Museum** at the University of Sydney. Through daughter Rosa’s Onslow marriage, the house later brushed the **Macarthur-Onslow** world of Camden Park.
Twentieth-century chapters are pure Sydney scrapbook: Michaelis family life within walking distance of the Great Synagogue; Snow and the Estates company (Leslie Wilkinson among shareholders); Charm School artists camping in a decaying mansion; reception-house glamour; fifteen flats without gutting the fabric; then the conservation rescue that helped invent the Historic Houses Trust.
No **Mitchell** owner belongs in this story — only the **Mitchell Library**, which holds the plant and seed books.
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### Image gallery guidance
Do not invent URLs — search these collections and embed with proper acknowledgement. Keep strong images already on the 2016 post (estate plans, historic views) and re-credit.
1. **Conrad Martens views of Elizabeth Bay House (1830s–40s)**
Search: NGV / SLNSW “Elizabeth Bay House Martens”.
Caption idea: *The colonnade that never was — Martens painting Macleay’s dream complete.*
2. **William Blackwood photograph, Elizabeth Bay, 1858**
Search: SLNSW ML PSC 955.
Caption idea: *Reality check, 1858 — house without the encircling colonnade.*
3. **Oval saloon / cantilevered stair (historic and modern)**
Search: MHNSW media; SLNSW; existing blog stair shots.
Caption idea: *“Like the flower of an arum lily” — the saloon that made the house’s name.*
4. **Estate / subdivision plans (1859 and later)**
Already on the existing post; also NLA/Trove maps “Elizabeth Bay Estate”.
Caption idea: *Watch 54 acres become a suburb — estate plans from grant to flat boom.*
5. **Grotto and Arthur McElhone Reserve**
Search: MHNSW; City of Sydney; Wikimedia.
Caption idea: *What the garden left behind — grotto, walls, and Berzins’ reserve on the old lawn.*
6. **Portraits of Alexander and Eliza Macleay**
Search: Dixson Gallery / SLNSW; Australian Museum loans noted in HHT literature.
Caption idea: *The Colonial Secretary and Mrs Macleay — patrons of insects, books, and harbour views.*
7. **Macleay Museum / collection cabinets**
Search: University of Sydney Macleay Collections.
Caption idea: *From Elizabeth Bay cupboards to campus — the collections that outlived the estate.*
8. **Compare set: Tusculum and Rockwall**
Search: MHNSW / SLNSW *Villas of Darlinghurst*.
Caption idea: *Verge’s hilltop kin — Tusculum and Rockwall still standing in the same story.*
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### What stands today / how to see it
Elizabeth Bay House **stands**, and unlike many on this blog it is a working **house museum**.
- **Visit:** 7 Onslow Avenue, Elizabeth Bay — Museums of History NSW. Free entry; typically open **Sundays and Mondays 10am–4pm** — always confirm at [mhnsw.au/visit-us/elizabeth-bay-house/](https://mhnsw.au/visit-us/elizabeth-bay-house/). Pre-book tickets online when advised.
- Walk the reduced curtilage and cross Onslow Avenue into **Arthur McElhone Reserve** for the harbour outlook and lawn fragment.
- Seek the **grotto** remnant (public path territory near Onslow / flats — take care; private property boundaries matter).
- Pair with **Vaucluse House** (fellow early HHT museum) and the Verge survivors **Tusculum** and **Rockwall**.
- Remember Gurrajin / Elizabeth Town: Beare Park interpretation speaks to the Aboriginal settlement that preceded the grant.
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### Sources & further reading
- NSW State Heritage Register — Elizabeth Bay House (SHR 00006): https://apps.environment.nsw.gov.au/dpcheritageapp/ViewHeritageItemDetails.aspx?ID=5045185
- NSW State Heritage Register — Elizabeth Bay House Grotto Site and works (SHR 00116)
- Museums of History NSW — Elizabeth Bay House: https://mhnsw.au/visit-us/elizabeth-bay-house/
- Dictionary of Sydney — Elizabeth Bay House: https://dictionaryofsydney.org/building/elizabeth_bay_house
- ADB — Alexander McLeay: https://adb.anu.edu.au/biography/mcleay-alexander-2413
- ADB — John Verge: https://adb.anu.edu.au/biography/verge-john-2757
- Scott Carlin, *Elizabeth Bay House: a history and guide*, Historic Houses Trust of NSW, 2000
- Joy Hughes, Macleay entries, *Oxford Companion to Australian Gardens*, 2002
- State Library of NSW, *Villas of Darlinghurst* exhibition catalogue, 2002
- Sydney Barani — Elizabeth Town: https://www.sydneybarani.com.au/sites/elizabeth-town/
- *Daily Telegraph*, 30 September 1926, “Historic Home Sold” (clipping on existing blog post)
- *Herald* book review of Nesta Griffiths, 25 June 1949 (clip on this blog): https://historicsydneymansionsmanorshouses.blogspot.com/2026/06/houses-of-colonial-sydney.html
- Existing scrapbook post: https://historicsydneymansionsmanorshouses.blogspot.com/2016/06/elizabeth-bay-house-elizabeth-bay-new.html
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### Related on this blog
- [Tusculum – Potts Point](https://historicsydneymansionsmanorshouses.blogspot.com/2017/08/tusculum-potts-point.html) (Verge neighbour)
- [Rockwall – Potts Point](https://historicsydneymansionsmanorshouses.blogspot.com/2021/07/rockwall-7-rockwell-crescent-potts.html) (Verge neighbour)
- [John Verge – Colonial Architect](https://historicsydneymansionsmanorshouses.blogspot.com/2021/07/john-verge-colonial-architect-new-south.html)
- [Vaucluse House – Vaucluse](https://historicsydneymansionsmanorshouses.blogspot.com/2025/05/vaucluse-house-vaucluse.html) (fellow early HHT / MHNSW museum)
- [Tiranna – 17 Billyard Avenue – Elizabeth Bay](https://historicsydneymansionsmanorshouses.blogspot.com/2026/08/tiranna-17-billyard-avenue-elizabeth.html)
- [Houses Of Colonial Sydney – 1949 Herald clip](https://historicsydneymansionsmanorshouses.blogspot.com/2026/06/houses-of-colonial-sydney.html)
*(Expand the 2016 post in place with this template text, keep the scrapbook images and the 1926 Telegraph clip, and refresh “Historic Houses Trust” language to Museums of History NSW.)*
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### Suggested title options
1. **Elizabeth Bay House – 7 Onslow Avenue – Elizabeth Bay – NSW** (template match; recommended)
2. **Elizabeth Bay House – Onslow Avenue – Elizabeth Bay – NSW** (shorter street form)
3. **Elizabeth Bay House (MHNSW Museum) – 7 Onslow Avenue – Elizabeth Bay – NSW** (flags current use)
Optional subtitle line: **Built 1835–1839 · Architects John Verge & John Bibb · Standing — Museums of History NSW house museum**
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