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NSW › Castle Hill › St Marks Ave

4 St Marks Ave, Castle Hill NSW 2154

For saleHouse for Sale

For sale

For sale

4

Bedrooms

4

Bathrooms

2

Car spaces

935.8 m²

Land

Districts ViewPrice evidencePlanningSite constraintsHistoryListing

Districts View

This is on the market — is it worth your time?

Why this ask?

  • FactListed for sale — no asking price recorded(Listing record · 16 June 2026)
  • FactLand 936 m²; no building size recorded.(Property record)

What could make it worth more?

No upside evidence detected in the data Districts holds for this lot.

What could make it worth less?

No detected risks — but see the checklist: absence of evidence is not an all-clear.

What should you verify next?

  1. 1Official planning layers are still retrieving for this parcel — check back before relying on zoning or overlay absence.
  2. 2No hazard layer has been retrieved — confirm flood, bushfire and heritage exposure from council mapping before an offer.

Each line above is labelled. A fact is quoted from the named source, with its date. A calculation is worked out by Districts from those facts — you can check the arithmetic. An interpretation is Districts' opinion of what the evidence means, not a fact, a valuation, or advice. Anything we haven't retrieved yet is marked as missing rather than treated as a pass.

Price evidence

The ask against the evidence

Asking

No recorded sale price for this property yet.

Castle Hill at a glance

43,390

People

$2,480,000

Median sale

$820/wk

Median rent

1.72%

Suburb gross yield

Median sale from 30 recorded sales (last 12 months) — a Districts calculation.

See the full Castle Hill report →

Planning

Planning and development

Planning data is being calculated

Development activity

Data unavailable

Source

  • Provider: unavailable
  • Dataset: unavailable
  • Retrieved: not yet retrieved
  • Version: planning-v1

Planning facts are copied from official government GIS where available. Where an official property PDF exists (VicPlan, PlanBuild), Districts stores and serves that original document. Neither is a planning certificate, survey, or advice.

Site

Terrain

Terrain has not been calculated for this property yet.

Slope is calculated on a projected metric grid from a public DEM clip of the official parcel. This is not a survey, engineering, or insurance assessment.

Flood, bushfire and heritage

i

Flood

Not retrieved

Flood exposure has not been retrieved from any source for this property yet. Unknown is not the same as clear.

Bushfire

Not retrieved

Bushfire exposure has not been retrieved from any source for this property yet. Unknown is not the same as clear.

Heritage

Not retrieved

Heritage listing has not been retrieved from any source for this property yet. Unknown is not the same as clear.

Records

Property history

  1. Listedprice unknownavailable16 June 2026

Events are recorded observations from public listings, kept with their source and date. Missing values are shown as unknown, never estimated.

Capital growth

NSW

Why this lot, not just this suburb

Why could this property outperform?

Planning layers have not been retrieved for this property yet. A suburb median or growth rate is not a reason this particular lot would outperform. Funded catalyst catchments are not loaded. A TOD badge is not this product.

What could kill that thesis?

Confidence: low

Official flood overlay has not been retrieved (pending). Missing layer is unknown, not “no.” NSW has a statewide DA API. Nearby (100–800 m) applications are not loaded for this property yet.

Rental

Income, competition, and yield

What will it realistically rent for?

Confidence: low

No advertised rent is recorded. Suburb median rent $820/week — not this address. An inferred likely-rent range is not shown until official bond series are loaded for this dwelling type and bedrooms.

What competition will it face?

Current comparable rental listings within 400 m of this lot are not loaded. NSW has a statewide DA API. Nearby (100–800 m) applications are not loaded for this property yet. Supply pressure needs comparable listings near this lot plus a nearby DA pipeline. Neither is loaded. Suburb vacancy or leased-tape days are not this property’s competition.

What does the yield actually look like?

Confidence: low

Yield cannot be shown without both a price and a rent figure. Net yield is not estimated from gross advertising copy. NSW net yield needs land tax and VG inputs that are not loaded. Gross yield from listings is not net yield.

Verdict

What this means for this property

Districts view

Not enough official evidence yet to underwrite this as an investment.

Detail

The same ten questions apply to every property. Missing flood, nearby DAs, achieved rents, or lot geometry is unknown — not “no.”

Read more

Do not treat a suburb median, an advertised yield, or a listing score as the case for this lot.

The evidence loaded so far isn't enough on its own to change a buy, offer, or walk-away decision for this property.

Evidence

What is known for this property

Districts asks the same ten questions of every property. If one shows as unknown, that data isn't published for this state or hasn't been loaded yet — the question stays visible so you can see exactly what's missing.

1 of 10 questions answered so far

  • Development optionality of this lot

    Unknown

    Planning layers have not been retrieved for this property yet.

  • Nearby development pipeline

    Unknown

    NSW has a statewide DA API. Nearby (100–800 m) applications are not loaded for this property yet.

  • Honest achievable rent

    Knownlow

    This is not “bond data says this address leases for $X.” The comparable figure is a suburb advertised/median rent, not this property. Official bond files (postcode or suburb × type × bedrooms) are not loaded yet.

  • Rental supply pressure

    Unknown

    Supply pressure needs comparable listings near this lot plus a nearby DA pipeline. Neither is loaded.

  • Why is this cheap?

    Unknown

    The constraint stack has not been retrieved for this lot, so Districts cannot explain a discount versus land size.

  • Lot-level flood

    Unknown

    Official flood overlay has not been retrieved (pending). Missing layer is unknown, not “no.”

  • Catalyst exposure

    Unknown

    Funded catalyst catchments are not loaded. A TOD badge is not this product.

  • This lot's DA history

    Unknown

    Development applications have not been queried for this parcel.

  • Statutory land value versus ask

    Unknown

    NSW Valuer General land values are not loaded for this property yet.

  • Net yield / holding costs

    Unknown

    NSW net yield needs land tax and VG inputs that are not loaded. Gross yield from listings is not net yield.

Area

Castle Hill in one glance

Castle Hill at a glance

43,390

People

$2,480,000

Median sale

$820/wk

Median rent

1.72%

Suburb gross yield

Median sale from 30 recorded sales (last 12 months) — a Districts calculation.

See the full Castle Hill report →

Keep researching

  • Why Castle Hill? Read the area thesis →
  • What else is on the market in Castle Hill →
  • Other records on St Marks Ave →

Listing material

Listed by Castlehaven Realtors

Own Your Own Castle in One of Castle Hill's Finest Locations

Introducing 4 St Marks Avenue, Castle Hill-a landmark residence nestled in the highly prestigious New England Estate. Set proudly on a substantial 935.8sqm parcel, this architecturally designed home is instantly recognizable by its iconic English Victorian-inspired turret façade, blending timeless character with modern family luxury.

From the moment you arrive, the limestone entry foyer-complete with a tranquil fishpond and fountain-sets a sophisticated tone. Inside, cedar cathedral ceilings and Italian polished porcelain tiles lead you to a formal lounge anchored by an open gas fireplace. For large-scale hosting, the home boasts a dedicated formal dining room and a massive billiard room featuring a ¾ size slate billiard table and wet bar.

The gourmet natural gas kitchen is a chef's dream, meticulously fitted with:

Read the full description

• Imported German French Provincial cabinetry.

• Luxurious marble benchtops and an oversized island

• Premium appliances including gas cooktop, 900mm oven with built-in air fryer, and a dishwasher.

The adjoining meals and family rooms flow seamlessly to the outdoors through wide sliding doors.

Step outside to a private sanctuary featuring a 10m x 5m saltwater swimming pool, an integrated spa, a covered pergola, and a fire pit area-all backdropped by sweeping Blue Mountains views.

Upstairs, four generous bedrooms all enjoy direct access to a wraparound balcony to capture spectacular sunsets over Blue Mountain. The master suite features a walk-in robe and private ensuite, complemented by an upstairs study or music room.

Construction & Storage: Full brick construction, double lock-up garage with custom storage, large side access (perfect for a boat or caravan), and a spacious underground wine cellar/storage room.

Premium School Catchments: Samuel Gilbert Public School, Castle Hill High School, and St Bernadettes Primary School with Oakhill College just moments away.

Proximity: Minutes from Castle Towers, Castle Mall, Castle Hill RSL and the Castle Hill / Showground Metro Stations for effortless city commuting.

Properties of this calibre, character, and location are exceptionally rare in the Castle Hill market. To truly appreciate the craftsmanship and breathtaking views, an in-person viewing is essential.

Please contact Sunny Lee today on 0424 273 283 or via email at sunny@castlehaven.com.au to arrange your private inspection!

***Disclaimer: the above information has been gathered from sources that we believe are reliable. However, we cannot guarantee the accuracy of this information and nor do we accept responsibility for its accuracy. Any interested parties should rely on their own enquiries and judgment to determine the accuracy of this information for their own purposes. ***

Listing description written by Sunny Lee, Castlehaven Realtors — reproduced as published, not verified by Districts.

Property features

  • Air Conditioning
  • Built-in Robes
  • Ensuites: 1
  • Living Areas: 1
  • Pool
  • Study
Districts

Australian property research from recorded sales, listings, and official layers. Missing data is shown as unavailable, never filled in.

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Research purposes only. Not personal financial advice, a valuation, or a planning certificate. Always speak to a licensed financial adviser before you act.