Heritage Bungalow Restoration: Updating Without Losing Character

Heritage bungalow restoration means repairing and updating an older bungalow while keeping the features that give it character, such as original windows, wood trim, brick, porches and rooflines. In Ontario, the first step is to check whether the home is listed or designated under the Ontario Heritage Act, because that affects what you can change. From there, focus on repairing original details, upgrading hidden systems and making modern changes that respect the house.

Is your bungalow a heritage property?

Many older bungalows are simply older homes with no heritage status. Others are protected by the municipality. In Ontario, heritage protection usually takes one of three forms:

• Listed: the property is on the municipal heritage register but not designated. Demolition usually requires advance notice to the municipality.
• Individually designated (Part IV): the property has a heritage designation by-law that lists the features to protect.
• Heritage conservation district (Part V): the home is in a protected area with district guidelines for changes.

Search your municipality’s heritage register or call its heritage planning staff. Your real estate lawyer can also confirm status during a purchase. Learn more about the style’s origins in our post on the history of the bungalow.

What heritage status means for renovations

For designated properties, most exterior changes to protected features need a heritage permit. That can include windows, doors, porches, roofing materials, masonry and additions. Interior work is often less restricted, unless the designation lists interior features.

Heritage rules are not meant to freeze a house in time. Many municipalities approve sensitive additions, accessibility changes and energy upgrades. The key is to talk to heritage staff early, before you hire a designer or order materials.

Repair or replace? Original features to save

Feature	Usually repair when…	Consider replacing when…
Wood windows	Frames are sound; sashes need glazing, paint or weatherstripping	Rot is widespread and approvals allow replacement
Brick and mortar	Only joints are failing; repoint with a compatible mortar	Bricks are badly spalled, using matching salvage brick
Front porch	Structure is sound; posts and railings can be fixed	Framing has failed, rebuilt to the original design
Hardwood floors	Boards are solid; refinishing will bring them back	Water damage or major structural repair is needed
Plaster walls	Cracks can be patched	Large sections are loose or wiring work requires opening walls

One common mistake is repointing old brick with modern hard mortar. It can trap moisture and damage softer, older bricks. Hire a mason experienced with heritage masonry.

Upgrading systems in an older bungalow

Most of the real work in a restoration is hidden. Older bungalows may need:

1. Electrical updates: knob-and-tube or undersized services can affect safety and insurance.
2. Plumbing: older galvanized pipes, cast iron drains and lead service lines may need replacing.
3. Insulation and air sealing: done carefully so walls can still dry and do not trap moisture.
4. Heating and cooling: ductless or high-velocity systems can avoid cutting into original features.
5. Basement waterproofing: older foundations often need drainage upgrades.

Older systems also affect your coverage. Our guide to home insurance in Ontario explains what insurers look for.

Modernizing without losing character

A restored bungalow should still work for modern life. Good projects add comfort without erasing the past.

• Keep the street-facing look intact and put additions at the back.
• Open interior rooms carefully, keeping original trim, built-ins or a wide cased opening.
• Choose period-appropriate paint colours for the exterior.
• Use simple, modern kitchens and bathrooms that do not imitate fake antique styles.
• Reuse salvaged materials, like old doors or hardware, where possible.

Buying an older or heritage bungalow

Character homes can be wonderful, but go in with clear eyes.

• Ask the seller about heritage status, permits and past renovations.
• Book a home inspector who has experience with older homes.
• Budget for system upgrades on top of cosmetic work.
• Ask your lender and insurer early about older wiring and plumbing.
• Have your real estate lawyer review any heritage by-laws or easements on title.

Looking for a project? Browse fixer-upper bungalows for sale, or explore older neighbourhoods in the Toronto region.

Frequently asked questions

Can I replace windows in a heritage-designated bungalow?

Often only with approval. Many municipalities prefer repair of original windows, but replacement may be allowed if repair is not practical. Talk to heritage staff before ordering anything.

Does heritage designation lower a home’s value?

It depends on the home and the buyer. Some buyers value protected character, while others see restrictions. Ask your Realtor about recent sales of similar homes in the area.

How do I find out if my bungalow is listed on a heritage register?

Check your municipality’s online heritage register or contact its heritage planning department. Your real estate lawyer can also check during a purchase.

Keeping history alive, the practical way

Restoring a heritage bungalow is about respect and planning. Check the rules first, repair what you can, upgrade the hidden systems and modernize where it matters most.

Done well, the result is a home with real character that works for today. For tailored advice, speak with your municipality’s heritage staff and an experienced heritage contractor or architect.