Re-roofing in a Hamilton Heritage Area: What Plan Change 9 Means

Hamilton’s new heritage rules took full effect on 13 October 2026. If your home is in one of the city’s 17 historic heritage areas, they affect what your new roof can look like. This guide explains the rules, using the District Plan’s own wording, and how to check your address before you sign a quote. Short answer: you can still re-roof. In a historic heritage area, maintenance and repair is a permitted activity, and a re-roof that keeps the same material, profile and colour fits that best. A roof that would look different from the street is an “alteration”, which needs resource consent. Examples are tiles to steel, corrugate to rib, a new colour, or removing a chimney. If you’re not sure which side your job falls on, ask the council’s duty planner before you book.

What Changed on 13 October 2026

Plan Change 9 was publicly notified on 22 July 2022. After several rounds of hearing panel decisions and Environment Court appeals, the council made it fully operative on 13 October 2026, and it’s now part of the Operative District Plan. Before Plan Change 9, the District Plan had five special character areas. The plan change brought in a new tool, the historic heritage area (HHA). The final decision in February 2025 confirmed 20 HHAs. A 2025 Environment Court settlement with Kāinga Ora removed Chamberlain Place, Fairfield Road and Sare Crescent. It also cut Wilson Street and Pinfold Avenue back to Wilson Street only. That leaves 17. The plan change also added 74 new individual buildings and structures to the heritage schedule, ranked A or B. Two of them were later removed on appeal. These listed buildings have their own, stricter rules, set out further down.

Hamilton’s 17 Historic Heritage Areas

Each area has a council “HHA statement” describing what makes it worth protecting, often including the roofs. A resource consent application is assessed against that statement. Here’s what each statement says about roofs:

Area	What’s there	Roofs, per the council statement
Acacia Crescent	1960s homes, surveyed in 1961	Low-pitched concrete tile
Ashbury Avenue	1960s plan-book homes	Low-pitched, mainly corrugated steel, some tile
Cattanach Street	Post-war homes, 1950–1980	Low-pitched concrete tile
Claudelands	Villas and bungalows, 1890–1949	Generally corrugated steel
Claudelands Commercial	Older shops	Shop verandahs are the roof feature noted
Frankton Commerce Street	Commercial street	See the statement
Frankton East	Bungalows and early state houses	Bungalows: corrugated steel. State houses: brown or terracotta clay tile
Frankton Railway Village	Railway workers’ houses (also on the Heritage New Zealand List)	Galvanised corrugated iron, hipped, gabled and Dutch gable forms, with exposed rafters
Hamilton East	One of Hamilton’s first settlements, from the 1860s	See the statement
Hayes Paddock	1940s state-housing garden suburb	Clay tile, mostly terracotta
Matai, Hinau and Rata Streets	1920s–1940s bungalows and early state houses	Often shallow-pitched corrugated steel or tile
Myrtle Street and Te Aroha Street (West)	1910s–1930s bungalows	Corrugated steel or tile
Riro Street	1910s–1930s bungalows	Corrugated steel or tile
Te Aroha Street (East)	Post-war homes, 1950–1980	Generally corrugated steel
Temple View	Temple View settlement	See the statement
Victoria Street	Central city main street	Commercial buildings: see the statement
Wilson Street	State houses	Brown or terracotta clay tile, or corrugated steel

The descriptions come from the HHA statements in the District Plan, as decided in February 2025 and amended by the Environment Court. Area boundaries don’t always follow whole streets, so check your own address on the maps (see below).

What Counts as Like-for-Like, and What Needs Consent

Two definitions in the District Plan decide it.

• • Maintenance and repair is permitted in an HHA. It includes work “for the purpose of weatherproofing”, and repair using “identical, closely similar, or like-for-like materials”. Replacements should keep consistency in colour, texture, form and design with what they replace.

• • Alterations and additions need resource consent as a restricted discretionary activity. The plan defines them as work that changes, removes or replaces walls, windows or features and “results in an external appearance different to its existing appearance”.

So the test is simple: will the house look different from outside when the job is done? Here’s how that plays out for common re-roofs:

The job	Which side it’s likely on
Old corrugated iron to new corrugated steel in a similar colour	Maintenance and repair (permitted)
Corrugate to trapezoidal rib	Alteration: the profile looks different
Clay or concrete tiles to steel	Alteration: the material looks different
Same profile in a noticeably different colour	Probably an alteration. Ask first
Removing a chimney, or adding a skylight on a street-facing slope	Alteration: a feature is removed or added
Freestanding scaffolding for up to six months	Permitted, if it’s uncovered

Restricted discretionary doesn’t mean no. In deciding, the council looks at whether the change is in keeping with the house and the area, “including the architecture, materials and general design”. It also looks at the cumulative effect on the area, and at the reason for the work, including health and safety and keeping the building in use. If old tiles are failing, say so in the application. Where the statement lists tiles, as in Hayes Paddock, Acacia Crescent and Cattanach Street, a change to steel goes straight to the heart of what the council is assessing. In Claudelands, Ashbury Avenue and the other areas where corrugated steel is the norm, new corrugate is the easy path. Frankton Railway Village: the statement describes galvanised corrugated iron. Many of the houses have been painted since, but ask the duty planner whether a pre-painted steel finish counts as like-for-like on your house. The village is also a Heritage New Zealand listed historic area. For a non-notified consent there, the council recommends talking to Heritage New Zealand first, and may require its written approval.

Building Consent and Resource Consent Are Separate

This is the trap. They come from two different laws:

• • Building consent comes under the Building Act. Replacing a roof with a comparable one usually doesn’t need it. See Hamilton council consent for a re-roof.

• • Resource consent comes under the District Plan, and that’s where Plan Change 9 sits.

Being exempt from one doesn’t make you exempt from the other. A tiles-to-steel job in Hayes Paddock could need both. The council’s duty planners can’t advise on building consent either, so ask about each one separately.

If Your House Is a Listed Heritage Building

Individually listed buildings, ranked A or B in Schedule 8A, have stricter rules than the areas. Maintenance and repair is still permitted. But the plan says exterior work must respect the building’s heritage values by “using the same or similar materials” and keeping consistency with “scale, proportion, finishes and techniques”. Alterations to the exterior need resource consent. If your house is on the schedule, get the council’s view before you get quotes.

How to Check Your Address

1. 1. Look it up on the District Plan maps. Historic heritage areas and listed buildings are shown on the features map.

1. 1. Read your area’s HHA statement, especially the key features. That’s what a consent is assessed against.

1. 1. Ask the duty planner. They can confirm the rules for your property and whether resource consent is needed. You can reach them on 07 838 6699 or by the online form, and the in-office hours are 8.30am to 1pm, Monday to Thursday. Get the answer by email so you have it in writing.

1. 1. Brief your roofer. Tell them your house is in an HHA, and ask for the quote to name the profile and colour, and to say whether anything visible changes, such as the chimney, flashings, spouting or skylights.

Selling or buying? The duty planner won’t advise prospective purchasers, so a buyer should ask their own planner or lawyer.

Te Awamutu and Cambridge: Waipā’s Character Areas

Waipā District Council has its own rules, from its Plan Change 26. Te Awamutu has a character cluster on Rewi Street and a character street on College Street. Cambridge has character streets including Hall Street, Hamilton Road, Grey, Victoria, Grosvenor, Thornton Road, Princes and Queen Street. In these areas, many alterations need resource consent, and the council looks at whether the building materials suit the neighbouring character homes. The plan also sets a 30° roof pitch for homes of two or more storeys there. See roofing in Te Awamutu and metal roofs in Cambridge.

Why Corrugate Matters on Older Hamilton Homes

Most of these areas date from 1890 to 1980, and their statements keep coming back to corrugated roofs. Corrugate is still made today, so a like-for-like steel roof on a villa, bungalow or 1960s home is straightforward. Modern corrugate also goes on with new underlay and screws, so the roof looks the same from the street and performs like new. See re-roofing Hamilton’s older homes and corrugated iron roofs. CTR Roofing re-roofs in corrugate and trapezoidal rib, using COLORSTEEL MAXAM® on every job, with LBP Roofing licensed installers. We’ve been roofing in the Waikato since 2010 from our yard in Frankton, close to several of these areas. See metal roof replacement in Hamilton.

Re-roofing in a heritage area?

Tell us your address, and whether you want to keep the roof’s look or change it. COLORSTEEL MAXAM® on every job, and most homes are re-roofed in 2–4 days. Or call 0800 287 763

Frequently asked questions

Can I re-roof my house in a Hamilton heritage area?

Yes. Maintenance and repair is permitted in a historic heritage area, and a re-roof that keeps the same material, profile and colour fits that best. A roof that would look different from outside is an alteration, which needs resource consent.

Do I need resource consent to replace tiles with steel in a heritage area?

Most likely, yes. Changing the roofing material changes how the house looks, which the District Plan treats as an alteration in a historic heritage area. That needs resource consent as a restricted discretionary activity. Check with the council’s duty planner.

Can I change my roof colour in a heritage area?

Ask first. The District Plan’s definition of repair expects replacements to keep consistency in colour, and a noticeably different colour changes the house’s appearance. A similar colour is the safe choice.

Is building consent the same as resource consent?

No. Building consent comes under the Building Act, and a like-for-like re-roof usually doesn’t need it. Resource consent comes under the District Plan, where the heritage rules sit. A job can be exempt from one and still need the other.

How do I find out if my house is in a heritage area?

Check your address on Hamilton’s District Plan maps, or ask the council’s duty planner on 07 838 6699. There are 17 historic heritage areas, including Claudelands, Hamilton East, Hayes Paddock, Frankton Railway Village and Riro Street.

Can I remove my chimney when I re-roof in a heritage area?

Removing a chimney changes how the house looks, so in a historic heritage area it’s likely to be an alteration that needs resource consent. Several of the area statements mention chimneys as features. Check before you include it in the job.

Sources: Hamilton City Council: Plan Change 9 · PC9 Decision 4 provisions (Chapter 19, definitions, HHA statements) · Kāinga Ora v HCC consent order [2025] NZEnvC 331 · HCC duty planner · Heritage New Zealand List 7014 · Waipā character areas guide · MBIE: exempt repair and replacement Related: Roofing in Hamilton · Metal roof replacement in Hamilton · Hamilton consent for a re-roof · Re-roofing Hamilton’s older homes · What happens in a metal roof replacement Written by the CTR Roofing team, Hamilton. Updated November 2026. This is general information, not planning advice. Check your property with the council.