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Older home drainage

Weeping Tile Disconnection Grant in London

Older London homes can need a different grant strategy when foundation drains connect into the sanitary system.

Sources checked July 22, 2026. Independent London homeowner guidance based on the current City program and by-law.

Why Weeping Tile Disconnection Comes Up

Some older homes were built with foundation drains connected to the sanitary sewer. During heavy rain, that can add water to the sewer system and increase basement backup risk. A grant-ready project may involve disconnecting those drains and redirecting water to a sump pit and pump system.

Do not infer the connection from home age or postal code. The existing drainage layout needs property-specific confirmation before a contractor defines the work.

Current Grant Categories

The current City program page lists a maximum of $4,000 for a sump pit and pump with existing weeping tile disconnection and a separate $2,400 maximum for additional weeping tile disconnection. Storm private drain, storm building sewer, and reverse-grade driveway work have separate categories and caps when applicable.

What to Ask Contractors

Application and Estimate Sequence

Collect one estimate below $5,000, two from $5,000 through $10,000, or three above $10,000. Submit before construction, wait for written approval, then complete approved work and required permits/inspection. Do not cut concrete or disconnect drains while the application is under review.

Related Planning Paths

Read the sump-pump grant guide, the sump installation cost guide, and the item-by-item estimator. If the water source is unclear, compare sewer backup and groundwater signs.

Historic areas such as Old South and Wortley Village may need this conversation earlier than newer subdivisions.

Check your older-home path

Use the guide form to organize symptoms, home age, and likely project type.

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