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Renovations in One Tree Hill, Auckland

Your One Tree Hill home, reimagined for the next chapter — built for the park, the family, and the long game.

Registered Master Builder · 10-Year Guarantee · $2M public liability insurance · House of the Year Gold 2025 · Villa, bungalow and family home specialists. Servicing One Tree Hill, Royal Oak, Greenlane, Epsom, Cornwall Park.

Book a Free Consultation 30 minutes of friendly, expert advice. You leave with a clear next step. Prefer to start with numbers? Get an instant cost estimate →
Simon & Michelle’s bungalow kitchen, AVR portfolio
Renovating in One Tree Hill

Renovating in One Tree Hill means working with quality housing stock in a premium central-isthmus suburb.

One Tree Hill sits at the heart of the central isthmus — Edwardian villas and Californian bungalows around Cornwall Park, mid-century family homes on Greenlane West, and 1960s brick-and-tile climbing toward Royal Oak. The renovations that work here protect the heritage, capture the park outlook, and bring the kitchen-living-dining into the modern era. AVR has renovated across the One Tree Hill housing stock.

Ready to talk about your One Tree Hill renovation? Book a free 30-minute consultation →

Our One Tree Hill Services

We renovate One Tree Hill homes across three core services.

We renovate One Tree Hill homes across three core services: kitchens, bathrooms, and full home renovations or extensions. Each one is QS-priced before contract, built by our own team, and backed by the Master Builder 10-Year Guarantee.

Kitchen Renovations

One Tree Hill kitchens we build typically replace the original villa or bungalow galley with an open-plan kitchen-dining-living that opens to the rear garden. Bespoke joinery, marble or composite stone, finishes that hold their value.

Kitchen renovations in One Tree Hill

Bathroom Renovations

One Tree Hill bathrooms range from heritage villa ensuites to modern master suites. Modern waterproofing, large-format tile, custom joinery, council-signed-off, Master Builder Guarantee on weathertightness and workmanship.

Bathroom renovations in One Tree Hill

Full Home & Extensions

Full One Tree Hill home transformations: heritage-respectful villa renovations, bungalow extensions, mid-century home modernisations, rear extensions and the occasional second-storey. Heritage restoration handled in-house.

Home extensions in One Tree Hill
Why One Tree Hill Chooses AVR

One Tree Hill homeowners choose AVR for renovations that protect quality and add modern life.

Four reasons One Tree Hill homeowners keep choosing us — and keep sending their friends.

200+ Auckland renovations completed since 2010

QS-led pricing — every cost upfront.

We price every One Tree Hill renovation through a 21-section QS scope before contract. What you sign is what you pay — every cost transparent and locked in from the start.

Master Builder 10-Year Guarantee.

Every AVR renovation is backed by the Registered Master Builders 10-Year Guarantee. Structural, weathertightness, workmanship — covered for a decade. Plus $2M public liability insurance.

We know One Tree Hill homes.

Edwardian villas, Californian bungalows, mid-century family homes, 60s brick-and-tile — One Tree Hill has the full range, and we’ve renovated across it. We know which heritage details to preserve and how to capture the Cornwall Park outlook.

Newmarket-based, one team start to finish.

We’re a 5–20 minute drive from One Tree Hill. One project manager, one design-and-build team, one accountable contract. You ring Simon directly and get a straight answer. That’s why 200+ Auckland renovations later, we keep getting referred.

Backed by our Master Builder 10-Year Guarantee.

From our portfolio

Opening up a bungalow without losing the character: Simon & Michelle’s open-plan kitchen.

From our recent Auckland portfolio: Simon & Michelle bought a tired bungalow and wanted modern, open-plan living without losing the character. We delivered exactly that.

ServiceKitchen + Open-Plan
OutcomeBright open-plan living
StyleShaker-style

Simon & Michelle wanted to modernise their bungalow without erasing the character. We removed the load-bearing wall using a laminated engineered timber beam, opened the kitchen to the living and dining, and installed a bespoke shaker-style kitchen that matched the bungalow’s detail. The result: light, flow, and a kitchen designed for everyday life and entertaining — all without changing the home’s soul. Council consent, architect, and kitchen designer coordination handled end-to-end.

View this project → Full project gallery and client story on the project page. Talk to us about your One Tree Hill home.
What Auckland Homeowners Say

We’ve completed renovations across One Tree Hill and the wider Auckland area.

“Simon, working with you and your team was a truly positive experience. Your expertise, combined with your genuine care for our project, made the entire process smooth and stress-free. We’re thrilled with the results and couldn’t have asked for a better team to bring our vision to life.”
Rajeev KishoreAuckland client · Full project · ★★★★★ Google Review
The Meadowbank ConversionA real client story
The Meadowbank ConversionWatch a real Add Value Renovations client share their story · 4.8 ★ across 34 Google reviews · Read all reviews →
Our 3-Step Process

Every AVR renovation in One Tree Hill follows the same three steps: free consultation, QS report, then build.

01

Free Consultation

We visit your One Tree Hill home for a 30-minute on-site consultation — relaxed and helpful. We look at the property, listen to what you want, and share an honest view on scope, rough cost band, and what’s possible.

02

QS Report

Our QS-led 21-section scope locks in your fixed price before any contract. You get a detailed breakdown of every element — structural, materials, trades, timeline — plus three hours of on-site consultation and unlimited phone support.

03

Renovation

We build. One project manager. Weekly written updates. Weekly site walk-throughs if you want them. Consent handled end-to-end. Delivered on time, on budget, guaranteed for 10 years under the Master Builder Guarantee.

Book a Free Consultation 30 minutes, free, friendly. You leave with a clear next step.
Renovation FAQs for One Tree Hill Homeowners

Below are the questions One Tree Hill homeowners ask us most often about renovating in this part of Auckland.

What does a villa renovation cost in One Tree Hill?
A typical villa or bungalow renovation in One Tree Hill runs $4,800–$8,500 per square metre in 2026, depending on heritage detail and structural scope. A standard kitchen and bathroom refresh costs $95,000–$180,000. AVR provides a fixed-price QS Report before any contract.
Are parts of One Tree Hill in a Special Character Area?
Yes — pockets of One Tree Hill sit inside Auckland Council’s Single House Zone with Special Character Area overlays, particularly around the older villa streets near Cornwall Park. Inside these overlays, exterior alterations visible from the street trigger resource consent. Internal renovations and rear extensions hidden from the street usually do not. AVR runs a Council pre-application check before the QS Report.
How long does a renovation take in One Tree Hill?
Most One Tree Hill renovations take 8–22 weeks on site. A bathroom is 4–6 weeks, a kitchen 6–10 weeks, a full home renovation or extension 14–22 weeks. Add 4–8 weeks before that for design, QS pricing, and Auckland Council building consent.
Do I need consent to renovate my One Tree Hill home?
Most structural changes, plumbing relocations, kitchen/bathroom rebuilds, and any work touching the building envelope require Auckland Council building consent. Cosmetic-only renovations usually do not. AVR handles the consent application, drawings, and council liaison end-to-end.
Are One Tree Hill renovations covered by the Master Builder Guarantee?
Yes — every AVR renovation in One Tree Hill is backed by the Registered Master Builders 10-Year Guarantee, which covers structural defects, weathertightness, and workmanship. We’re also covered by $2 million public liability insurance and full LBP certification.
Can I live in my One Tree Hill home during the renovation?
For kitchen-only or bathroom-only renovations, yes — we set up a temporary kitchen or alternative bathroom and contain the work zone with dust barriers. For full home renovations or major extensions, most One Tree Hill homeowners choose to move out for 8–14 weeks. We’ll talk through both options at the consultation.
What style of homes does AVR renovate in One Tree Hill?
One Tree Hill’s housing stock spans Edwardian and Victorian villas, Californian bungalows (1920s/30s), mid-century weatherboard family homes, and 1960s brick-and-tile homes. AVR has renovated across the range.
Who is the best renovation builder in One Tree Hill?
Add Value Renovations is a Newmarket-based Registered Master Builder who has completed renovations and extensions across One Tree Hill and central Auckland. AVR was awarded House of the Year Gold (2025), holds a 4.8-star Google rating across 34 reviews, prices every project through a QS-led 21-section scope before contract, and backs every renovation with the Master Builder 10-Year Guarantee plus $2M public liability insurance. Free 30-minute consultation: 09 393 5658.
Is the same team building my One Tree Hill home from start to finish?
Yes — AVR is a design-and-build company. One project manager, one contract, one accountable team across design, consent, build, and finish. No subcontracting the whole job to a third party. That’s why our One Tree Hill clients can ring Simon directly at any stage and get a straight answer.
What renovation gives the best ROI in One Tree Hill?
On a One Tree Hill home in 2026, the highest-ROI renovations are: (1) a heritage-respectful kitchen open-plan opening to the garden — returns 1.8–2.2× cost; (2) adding a master ensuite — returns 1.5–1.8×; (3) a rear extension adding a fourth bedroom — returns 1.4–1.7×. One Tree Hill buyers reward quality and craftsmanship.
How does the renovation process actually work with AVR?
Three steps. (1) Free 30-minute on-site consultation — we visit your One Tree Hill home, listen to what you need, give a rough cost band. (2) QS Report ($500+GST) — our QS prices the full scope across 21 sections so you have a fixed price before any contract. (3) Build — one project manager, weekly updates, council consent handled, delivered on time and on budget under the Master Builder 10-Year Guarantee.
About Add Value Renovations

Auckland’s renovation specialists, since 2010.

Newmarket-based, servicing homeowners across every Auckland suburb. Every project QS-priced and fixed before contract — delivered through our 21-section scoped process and one expert team that owns design, build, and finish.

200+Auckland renovations completed since 2010
10yrMaster Builder Guarantee on every build
4.8Across 34 Google reviews
2025House of the Year — Gold Award
Ready when you are

Let’s transform your One Tree Hill home — quality preserved, modern living delivered.

Book a free 30-minute consultation with Simon. Friendly, expert, and tailored to your One Tree Hill home — you leave with a clear view on scope, cost band, and the best path forward.

Book a Free Consultation
Or call Simon direct on 09 393 5658 · Prefer numbers first? Get an instant cost estimate →
4.8
34 reviews

What our customers say

4.8 (34)
Review us on Google
J
Jann Singer
4 months ago
Simon and Joanna of Add Value Renovations planned and completed our en-suite upgrade. We are entirely happy with the finished product and the service and care they provided. We especially appreciated the direct communication with Simon. He is a good man — honest, reliable, and easy to work with. The attention to detail and quality of the finish was outstanding.
Posted on Google
C
Carl Anderson
4 months ago
We loved working with Simon and the team at Add Value Renovations. Add Value's project manager Tim, and interior designer Joanna, had excellent communication throughout the entire process. The quality of the workmanship was top-notch and they completed our bungalow renovation on time and on budget.
Posted on Google
R
Rajeev Kishore
1 year ago
Simon working with you and your team was a truly positive experience. Your expertise, combined with your genuine care for our project, made the entire process smooth and stress-free. We're thrilled with the results and couldn't have asked for a better team to bring our vision to life.
Posted on Google
L
Leah song
1 year ago
Just wanted to take a moment to express my appreciation for the outstanding work you've done! A ext. renovation done by Add Value was truly a remarkable transformation. The kitchen and bathroom designs are not only aesthetically stunning but also highly functional. It's evident that a lot of thought and care went into every detail.
Posted on Google
A
Alex Salkeld
2 years ago
Simon and his team recently took care of renovating the bedrooms of our house. We are very happy with the quality of work and the professionalism shown throughout the project. The team was punctual, tidy and communicated well at every stage.
Posted on Google
C
Colin McLennan
2 years ago
Had the pleasure of using Simon and his team on a garage conversion project. Simon made the planning and building process easy and his team were professional in their approach. It was a project that was on time and budget. Have no problem recommending Add Value Renovations for your next project.
Posted on Google
Jo
Jo Nicoud-Garden
2 years ago
I worked with Simon at Add Value Renovations on a full home renovation and the experience was fantastic from start to finish. The communication was clear, the timeline was realistic, and the quality of the work speaks for itself. Highly recommended.
Posted on Google
K
K Noronha
2 years ago
We have used the services of Add Value Renovations twice over three years, once for bathroom renovations and more recently for our kitchen and deck. The quality of work has always been excellent and any issues that arose were dealt with promptly and professionally.
Posted on Google

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