The Hills Shire — NSW 2153

Mortgage Broker in Baulkham Hills

Established Hills family market. Large lots, high prices, and a council minimum lot size well above the state standard.

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Baulkham Hills lending

Lending in Baulkham Hills

Baulkham Hills 2153 has a median house price of $1,971,500 on 372 sales in the 12 months to June 2026, renting at $850 a week for a 2.40% gross yield. Houses recorded a negative quarter at minus 0.55% while units rose 0.83%, the only suburb on this site where houses went backwards over the quarter. The Hills Shire LEP sets dual occupancy minimums of around 600 square metres attached and 700 detached, well above the 450 square metre state standard.

Baulkham Hills is an established owner occupier market. Median household income sits at $2,474 a week, 57% of residents were born in Australia, and the stock is predominantly detached family housing on lots large enough that a dual occupancy conversation actually comes up.

Part of the suburb sits in the City of Parramatta rather than The Hills Shire. For anything involving development, that boundary matters, and it is settled by the section 10.7 planning certificate for the specific address rather than by the suburb name.

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The numbers

The Baulkham Hills market, as at September 2026

Baulkham Hills 2153 market snapshot, 12 months to June 2026
Measure	Houses	Units
Median price	$1,971,500	$910,000
Median weekly rent	$850	$700
Gross rental yield	2.40%	3.89%
12 month capital growth	+3.76%	+4.00%
Quarterly growth	-0.55%	+0.83%
Sales in the 12 months	372	226

Median prices, rents and yields sourced from Your Investment Property (CoreLogic data), 12 months to June 2026. Figures are suburb medians and are not a valuation of any individual property. Providers disagree on direction here. One shows houses up 3.76% over the year, another shows them down 1.23%, with a $70 a week gap on house rent. Treat the growth figure with caution.

A market where the borrowing question is capacity, not deposit

At a $1,971,500 median, most Baulkham Hills purchases are upgrades funded by equity in an existing home rather than a saved deposit. That changes the binding constraint. Almost nobody here is short of a deposit. Plenty are short of servicing capacity, because lenders assess the new loan at roughly three percentage points above the actual rate.

On a $1.4 million loan, a 6% actual rate assessed at 9% is the difference between a $8,400 monthly repayment and an assessed $11,300. That $2,900 gap is what decides the answer, and different lenders apply different buffers, different treatment of existing debt and different rental shading. It is a lender selection problem more than an income problem.

The buy before you sell problem

Upgrading within the Hills almost always raises the same question: do you sell first and rent, or buy first and bridge. Modern bridging facilities capitalise interest and require no repayments during the bridging term, which makes buying first far more achievable than it was under the old structures. On a market where houses take 26 days to sell, the risk window is short. We run both scenarios with real numbers rather than assuming.

Building and developing

Duplexes in The Hills: the lot size gap that catches people out

The Hills Local Environmental Plan 2019 sets minimum lot sizes for dual occupancy through clause 4.1A. Reported figures are around 600 square metres for an attached duplex and 700 square metres for a detached one in R2 and R3 zones.

The state Low and Mid-Rise non-discretionary standard is 450 square metres with 12 metres of frontage. Baulkham Hills town centre is a nominated Low and Mid-Rise centre, so within 800 metres walking distance of it that state standard applies.

Outside that 800 metre band, the council minimum governs. This is the single most common misunderstanding we encounter in the Hills: an owner reads about the 450 square metre state reform, assumes it applies to their 520 square metre block in a quiet street two kilometres from the town centre, and pays for plans that cannot be approved.

Which dual occupancy standard applies to a Hills lot
Where the lot sits	Minimum lot size	Frontage
Within 800 m walk of Baulkham Hills town centre	450 m² state non-discretionary standard	12 m
Outside the Low and Mid-Rise area, attached duplex	Around 600 m² under The Hills LEP	Not published in the sources reviewed
Outside the Low and Mid-Rise area, detached duplex	Around 700 m² under The Hills LEP	Not published in the sources reviewed
Complying development pathway	Governed by the council LEP minimum, not the 400 m² state default	15 m at the building line, or 12 m with lane or secondary road access

The Hills LEP clause 4.1A figures above come from secondary planning sources. Confirm the exact minimum against the LEP or a council fact sheet for the specific lot before committing to a design or a construction facility.

Bushfire is the material physical constraint in The Hills. Council publishes bush fire prone land mapping, and bushfire prone land triggers a bushfire attack level assessment, removes complying development eligibility, and is an express exclusion from the state dual occupancy provisions. Established streets near the metro are generally less affected than lots on vegetated fringes and creek corridors, but it is an address-level question.

Who we help

Common situations in Baulkham Hills

Family upgrading within the Hills

Deposit is rarely the issue at this price point, servicing is. Lenders differ enough on assessment treatment to change the answer by several hundred thousand dollars.

Owner considering buying before selling

Modern bridging capitalises the interest with no repayments during the term, which makes buying first genuinely viable. On a 26 day market the risk window is short. We run both scenarios properly.

Owner of a large block considering a duplex

The Hills minimum is around 600 to 700 square metres outside the town centre band, well above the 450 square metre state standard. We check which applies before you pay for plans.

Investor looking at the unit market

Hills units at $910,000 yielding 3.89% outperformed houses on quarterly growth. Lower entry, better yield, and less exposure to the softening detached market.

Downsizer moving out of a large family home

Selling a $2 million house to buy something smaller is a bridging conversation more often than people expect, particularly where the new place is in a retirement or land lease community.

Business owner buying premises through super

Norwest and the surrounding business parks give Hills business owners a genuine commercial SMSF option, which remains permitted after the LRBA changes.

What we do here

Lending we handle for Baulkham Hills clients

Investment Loans

Portfolio structuring and borrowing capacity for investors buying here.

SMSF Loans

Commercial SMSF purchases and residential SMSF refinances.

Construction Loans

Progressive drawdown finance for builds and knockdown rebuilds.

Refinancing

Rate reviews and fixed rate expiries across 30+ lenders.

First Home Buyers

First Home Guarantee, stamp duty concessions and deposit strategy.

Home Loans

Owner occupied lending compared across the full panel.

Nearby areas we also work in: Castle Hill, Norwest, Rouse Hill, Blacktown and Parramatta.

FAQ

Common questions from Baulkham Hills clients

It depends where the lot sits. Within 800 metres walking distance of Baulkham Hills town centre, the state non-discretionary standard of 450 square metres with 12 metres of frontage applies. Outside that band, The Hills LEP governs, with reported minimums of around 600 square metres attached and 700 detached. Confirm the exact figure against the LEP for your lot before designing anything.

Not one named Baulkham Hills. The nearest Sydney Metro Northwest stations are Norwest and Bella Vista. Walking distance from a specific address matters for Low and Mid-Rise eligibility and sometimes for valuation, so check the actual address rather than assuming suburb-level metro proximity.

It depends on your end debt position and how confident the sale price is. Modern bridging facilities capitalise interest and require no repayments during the term, which makes buying first far more workable than it used to be. With Baulkham Hills houses selling in about 26 days the exposure window is short. We model both with real numbers before recommending either.

Houses recorded minus 0.55% for the quarter while units rose 0.83%, the only suburb on this site where detached went backwards. Providers also disagree on the annual direction, one showing plus 3.76% and another minus 1.23%. At this price point a single quarter is noise more often than signal, but it is worth knowing before you price a sale.

It can be. Bushfire prone land triggers a bushfire attack level assessment, removes the complying development pathway and is an express exclusion from the state dual occupancy provisions. Lenders will still lend on bushfire prone property, but insurance costs more and a build becomes more expensive. Check council's bush fire prone land map for the address.

Written by Shane Heness

Owner and mortgage broker at LoanBuddy, Parramatta NSW. Eight years as a mortgage broker and a property investor since 2015. Credit Representative #528658 under Australian Credit Licence #389328.

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