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Auckland bathroom renovations by a Licensed Building Practitioner. 15-year waterproofing guarantee.
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Bathroom Renovations Central Auckland

Bathroom renovations in Central Auckland for villas, character homes and established apartments, from a main bathroom rebuilt inside a 1900s villa to a master ensuite in a large Eastern Bays home. Central Auckland covers the isthmus, from Herne Bay and Ponsonby across to St Heliers and south to Mount Roskill. Many of its streets were laid out between the 1860s and the 1940s, and parts of Grey Lynn, Arch Hill and Parnell sit inside Special Character Areas.

Every bathroom we take on is stripped back to the framing and rebuilt with a waterproofing membrane, new linings, the fittings you choose and a fan ducted outside. Nick McKelvie leads each job as a Licensed Building Practitioner (BP1021390) and registered producer statement author (PSA127420), and the waterproofing carries a 15-year guarantee. Central Auckland is one part of our bathroom work across the whole city.

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15 Years

Waterproofing guarantee

BP1021390

Licensed Building Practitioner

PSA127420

Producer statement author

30 Years

Renovating Auckland bathrooms

1,200+

Bathrooms completed in Auckland

4.7 ★

From 70+ Google reviews

Central Auckland bathroom work

Bathrooms for Character Homes, Ensuites and Apartments

Six kinds of bathroom job, each matched to the homes Central Auckland was built with.

Walk-in shower and the end of a clawfoot bath seen through a panelled door, Mount Eden bathroom renovation
Central Auckland 01

Villa and Cottage Bathrooms

Villas and cottages from the 1880s to the 1910s fill streets in Grey Lynn, Arch Hill, Parnell and Grafton.

We take the bathroom back to the framing, level and strengthen the timber floor where it needs it, and tile neatly around sash windows instead of replacing them.

The house keeps its period look from the street, and the bathroom inside is new.

Drawer vanity with a round vessel basin and herringbone tiles in a St Johns bathroom
Central Auckland 02

Bungalow and English Cottage Bathrooms

Bungalows and English Cottage homes from the 1920s and 1930s line the streets around Mountain Road in Epsom.

Many still have the toilet in its own room beside a small bathroom. One option joins the two rooms into a larger bathroom; the other keeps them apart and rebuilds both.

Herringbone tiles, a vessel basin or a walk-in shower all suit these homes.

Freestanding bath and marble-look porcelain tiles in a St Heliers bathroom
Central Auckland 03

Master Ensuites in Large Homes

About four in ten homes in the Ōrākei local board have four or more bedrooms.

In a house that size, we build the master ensuite off the main bedroom with a walk-in shower, twin vanities or a freestanding bath.

Nick prices the ensuite and the main bathroom on one quote, so you can compare doing one room or both.

Square tile-insert shower drain and frameless glass panel on pale grey floor tiles, Parnell
Central Auckland 04

Established Apartment Bathrooms

Three in four homes in the Waitematā local board are apartments, units or townhouses.

We plan around the building: body corporate approval, lift bookings, parking and the hours noisy work is allowed.

A compact apartment bathroom can still take a frameless walk-in shower, a wall-hung vanity and a tiled niche.

Black and white bathroom with a bath under frosted windows and glass shower in Epsom
Central Auckland 05

Freestanding Baths and Walk-In Showers

With more floor space, a main bathroom can hold both a freestanding bath and its own walk-in shower.

We check the floor before a stone or cast bath goes in, set the shower floor to fall to a linear drain and run the tiles full height.

Matte black or brushed tapware, a heated towel rail and large-format porcelain complete the room.

Stainless steel laundry tub with wall-mounted taps in a Ponsonby laundry renovation
Central Auckland 06

Toilets and Laundries in the Same Programme

Many Central Auckland houses have a separate toilet and a laundry close to the bathroom.

We renovate them on the same programme, so the strip-out, the plumber and the tiler are shared across every room.

Our Ponsonby job covered a bathroom, two toilet rooms and a laundry with a custom tiled shower.

Central Auckland housing

Bathrooms in Central Auckland Homes, Villas to the Eastern Bays

Central Auckland was built in stages, and each stage left a different kind of bathroom to renovate.

1850s to 1910s

Parnell, Grafton and Grey Lynn, 1850s to 1910s

Cottages and villas from this period often have a bathroom that was added or moved after the house was built. We strip it to the framing, check the floor, and rebuild with a waterproofing membrane while keeping the timber windows.

Auckland Council's 2025 special character findings date the cottages here to the 1850s-1880s and the villas to the 1880s-1910s. Our page on Parnell villa and apartment bathrooms covers that suburb in detail.

1880s to 1940

Remuera and Epsom, Villas to the 1930s

In a Remuera villa or an Epsom bungalow, the bathroom is often small with the toilet next door. Joining the rooms, or rebuilding both, gives a larger bathroom without moving outside walls.

The same Council findings record villas from the 1880s-1910s in a Remuera character area, and bungalows, English Cottages and Arts and Crafts homes from 1920 to 1940 around Mountain Road. Prices and housing data for bathroom renovations in Remuera sit on their own page.

1939 to 1950s

Three Kings and Mount Roskill, From 1939

Homes from Mount Roskill's building boom often keep a compact original bathroom. In a home built before 2000, the old linings are tested for asbestos before the strip-out, and the test is listed on the quote.

The Council findings describe 1940s homes in a compact English Cottage style on McCullough Avenue, Three Kings. Our Mount Roskill bathroom page covers its character homes and larger houses.

1930s onward

St Heliers and the Eastern Bays, After 1932

Larger Eastern Bays homes often have room for a master ensuite as well as the main bathroom. We plan both on one programme so the trades are shared.

Te Ara records St Heliers growing after Tāmaki Drive opened in 1932, and the Ōrākei board now has the highest share of four-bedroom homes in Central Auckland.

Era dates come from Auckland Council's 2025 special character findings reports for the isthmus and from Te Ara, the Encyclopedia of New Zealand.

From first call to handover

Site Visit, Quote, Build and Handover

Five steps, with the price and the timeframe in writing before any work starts.

Step 01

Free Site Visit

Nick measures the bathroom, looks at the floor, the window joinery and the plumbing he can see, and talks through the layout with you.

Step 02

Written Quote

Every trade, fixture and finish is its own line. In a home built before 2000, the quote includes an asbestos test of the old linings.

Step 03

Strip-Out

The old room is stripped to the studs, with any asbestos removed under WorkSafe rules before anything else is broken out.

Step 04

Waterproofing and Fittings

New plumbing, wiring and linings go in, then the waterproofing membrane, then the tiles and fittings.

Step 05

Handover With Nick

Nick walks you through the finished room and explains the 15-year waterproofing guarantee.

Free, no-obligation site visit

Book Your Central Auckland Site Visit

One call books the visit. Nick comes to your home or apartment, measures the bathroom and sends a written quote with every trade and fixture listed.

Central Auckland bathroom prices

What a Central Auckland Bathroom Costs

$15,000 to $65,000+

A main bathroom rebuild in Central Auckland usually sits between $22,000 and $40,000. Master ensuites with stone, a freestanding bath or underfloor heating run higher.

Character homes carry work a newer house does not, such as levelling an old timber floor or tiling around sash windows. Nick lists those items separately on the quote.

Use the ranges to plan. The written quote after the free site visit is the figure to budget on.

Central Auckland bathroom Range What sits in it
Ensuite or apartment bathroom, same layout$15,000 to $28,000New linings, waterproofing membrane, tiles, vanity, shower, toilet, tapware and a fan ducted outside
Family bathroom, full rebuild$22,000 to $40,000Everything above, plus a new layout, a walk-in shower or a toilet joined into the room
Master ensuite or high-spec main bathroom$40,000 to $65,000+Freestanding bath, stone, large-format porcelain, twin vanities or underfloor heating
Villa, cottage or bungalow with floor or framing workQuoted after the site visitPriced once Nick has seen the floor, the framing he can reach and the window joinery
What moves a Central Auckland price

Four Things That Change a Central Auckland Quote

Four items move the price most here, and the age of the house decides three of them.

01

Old timber floors

A villa or bungalow floor that has dropped needs levelling and strengthening before tiles or a heavy bath go down.

02

Sash windows and joinery

Tiling around an original timber window takes more time than tiling a plain wall.

03

Apartment access

Lift bookings, protected common areas and set work hours add time to an apartment job.

04

Asbestos testing

Homes built before 2000 may have asbestos in old wall linings or bath panels, so a test comes before the strip-out.

Why homeowners call us

Why Central Auckland Owners Choose Us

Six reasons owners of character homes and apartments book us.

Reason 01

An LBP on every job

Nick McKelvie, LBP BP1021390, does or supervises the restricted building work on each Central Auckland bathroom.

Reason 02

PS3 for the waterproofing

As registered producer statement author PSA127420, Nick signs the PS3 for each waterproofing membrane we lay.

Reason 03

15-year waterproofing guarantee

The waterproofing membrane is guaranteed for 15 years from handover.

Reason 04

Period detail kept

We tile around sash windows and keep the street view of a character home as it is.

Reason 05

Design input

Kathy's review mentions Nick's long-time designer helping with the big design decisions on her renovation.

Reason 06

One quote for every room

A bathroom, ensuite, toilet and laundry can sit on one quote and one programme.

Close-coupled toilet under a timber window with white brick-pattern wall tiles, Parnell bathroom
2023 Census, by local board

40%

Ōrākei homes with 4+ bedrooms

2023 Census, by local board

75%

Waitematā homes that are apartments, units or townhouses

Central Auckland at the 2023 Census

Homes Across Central Auckland, by Local Board

Central Auckland covers five local boards: Waitematā, Albert-Eden, Puketāpapa, Ōrākei and Maungakiekie-Tāmaki. Together they held about 145,500 occupied homes at the 2023 Census, and just over half were standalone houses.

The mix changes across the isthmus. In the Ōrākei board, which takes in St Heliers, Kohimarama and Glendowie, about 40% of homes have four or more bedrooms, so master ensuites and second bathrooms come up often. In the Waitematā board, about 75% of homes are apartments, units or townhouses. Newmarket is a good example, and our page on apartment and house bathrooms in Newmarket covers that mix.

Damp levels differ too. The 2023 Census recorded 17.2% of Ōrākei homes and 23.1% of Albert-Eden homes as damp always or sometimes. Every bathroom we renovate gets a fan ducted outside, and Building Code clause E3 requires wet areas to resist moisture build-up.

Central Auckland jobs

Finished Bathrooms in Central Auckland

Finished jobs from Central Auckland. Each one has a project page with more photos and the work done.

Wall-hung oak-look vanity with a vessel basin and a round backlit mirror, Mount Eden bathroom renovation

Character Home Bathroom, Mount Eden

A clawfoot bath under a sash window, a walk-in shower and an oak-look vanity with a backlit mirror. See the clawfoot bath bathroom in Mount Eden.

Freestanding bath under a window in a renovated St Heliers bathroom

Three Bathrooms, St Heliers

A freestanding bath under a window, marble-look porcelain and a floating vanity, across three rooms. View the St Heliers three-bathroom renovation.

Custom tiled shower with a black tiled base and frameless glass in a Ponsonby bathroom

Bathroom, Toilets and Laundry, Ponsonby

A custom tiled shower with a black tiled base and frameless glass, plus two toilet rooms and a laundry. Read about the Ponsonby multi-room renovation.

Black and white bathroom with a bath under frosted windows and glass shower in Epsom

Black and White Bathroom, Epsom

White subway tiles, matte black tapware, twin floating vanities and a bath under frosted windows. Look through the Epsom black and white bathroom.

Glass corner shower with chrome rail shower and rain head in a renovated Kohimarama bathroom

Main Bathroom, Kohimarama

Marble-look tiles to the ceiling, a freestanding oval bath with wall tapware and a glass corner shower, built around the owners' shaker vanity. See the Kohimarama main bathroom with a glass corner shower.

Walk-in shower with a rail shower, rain head and lit niche in large marble-look tiles, Glendowie

Bathroom and Toilet Room, Glendowie

A walk-in shower with a lit niche, a timber vanity with finger mosaic tiles and a bath, with the separate toilet room rebuilt in the same finish. See the Glendowie bathroom and separate toilet room.

Google reviews

What Our Clients Say

Google
★★★★★
4.7 out of 5 from 70+ Google reviews

Tamás Balogh

August 2026

★★★★★
✓ Google review

We worked with Nick on 2 bathrooms, a toilet and washroom renovation. All was great, on time, on quality, on budget. Very pleasant experience.

Kathy Gilroy

2024

★★★★★
✓ Google review

Another successful and much admired full renovation by the Alchemy crew .The team did a great job, on time, tidy and did not hesitate to give input.It was great to have all the trades available and all were of high quality.A bonus was having Nick's long time designer, Lesley Bros, available to point us in the right direction for some major design moments.Alchemy met the brief to create a light and airy home with great functionality.This is the second time we have used Alchemy and would highly recommend their services.

Bella Pettered

Edited 2024

★★★★★
✓ Google review

Nick and his team have provided us with an amazing new bathroom. The crew is amiable, competent, trustworthy, and they met the deadline. Highly recommended.

Central Auckland bathroom questions

Bathroom Renovations in Central Auckland

Our prices run from $15,000 for an ensuite or apartment bathroom in its current layout to $65,000 or more for a master ensuite with stone or a freestanding bath. Rebuilding a whole main bathroom costs $22,000 to $40,000.

Plan a Central Auckland Bathroom With Nick

Send the form below or call 09 884 6535 to book a free site visit anywhere in Central Auckland. Tell Nick roughly when the house was built, or the name of the apartment building, and which rooms you want done.

Enquiry form
Free, no-obligation site visit

Free Site Visits From Herne Bay to St Heliers

Villas, bungalows, apartments and large family homes get the same free visit: Nick measures the bathroom, checks the floor and the joinery, and quotes the job in writing.

Written quote before any work starts  ·  One team from strip-out to handover  ·  15-year waterproofing guarantee

Contact Alchemy

Alchemy Bathroom Renovations Auckland

Led by Nick McKelvie, Licensed Building Practitioner BP1021390 and producer statement author PSA127420. Complete bathroom, ensuite, small bathroom, villa, laundry and commercial renovations across Auckland, with a 15-year guarantee on the waterproofing.

Service area

All of Auckland

North Shore, West, East, South and Central Auckland.

Hours

Mon to Fri, 8am to 5pm

Monday to Friday, 8:00am to 5:00pm. Free site visits across Auckland.

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