How often should you clean your house exterior?

On Teesside, a soft-washed house typically stays clean for two to four years, with shaded and coastal properties at the shorter end. Gutters and rooflines want attention annually, roofs every few years when moss shows. Little and often beats rescue cleans: light maintenance costs less and lasts longer.

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Last updated: August 2026.

The Teesside baseline

Our climate sets the schedule: damp air off the North Sea, mild winters that never quite kill algae off, and enough rain that shaded walls stay wet for days at a time. Against that backdrop, a professionally soft-washed house stays clean for two to four years. Where your property sits in that range depends on three things: which way it faces, what hangs over it, and how close it is to the sea.

By exposure

North and east walls get the least sun and stay damp longest: they green first and regrow fastest, so they set the cleaning cycle for the whole house. Tree-shaded walls behave the same way at any compass point. Coastal properties around Redcar, Seaton Carew and Saltburn take salt spray that keeps surfaces damp and feeds growth year-round: every one to two years is realistic there, against three to four inland. South and west walls in open positions can go five years or more between cleans.

By surface

Walls (soft washed): two to four years. Roofs: scrape and treat when moss is visible, typically every three to five years on shaded roofs, longer on open ones; after treatment the biocide suppresses regrowth. Gutters (inside): clear annually, autumn after leaf fall is the classic timing. Roofline plastics: wash every two to three years inland, annually on the coast. Render showing red algae: treat when streaking appears, because early treatment is a one-pass job and established staining can need two.

The signs that say it is time

Do not wait for the calendar alone. The honest triggers: a green film you can smear with a finger, red streaking on render, moss visible from the ground on the roof, gutters overflowing in normal rain, and white uPVC that reads grey from the kerb. Any one of those is the job telling you it is due.

Why little and often wins

A maintenance clean on a lightly soiled house is fast, gentle and cheap; a rescue clean on a decade of growth is slow, needs more chemical and sometimes multiple applications. Two to three years on a cycle costs less over a decade than five years of neglect followed by a restoration, and the house looks good throughout rather than oscillating between shabby and smart.

Frequently asked questions

How often should a house be soft washed on Teesside?

Every two to four years for most properties. Shaded, tree-covered and coastal homes sit at the shorter end; open, sunny, inland properties can stretch beyond four.

How often should gutters be cleared?

Annually, ideally in late autumn after leaf fall. Properties under heavy tree cover may need a second clear in spring.

How do I know when the roof needs attention?

Moss visible from the ground, or moss and debris appearing in the gutters and at downpipe outlets. On shaded roofs, expect to scrape and treat every three to five years.

Is a regular cycle really cheaper than waiting?

Yes. Light maintenance cleans are fast and gentle; established growth needs dwell time, more chemical and sometimes repeat applications. A two to three year cycle costs less over a decade than neglect-plus-rescue.

Does the coast really make that much difference?

Roughly double the frequency. Salt spray keeps surfaces damp and feeds algae year-round, so Redcar and Seaton Carew properties typically clean every one to two years against three to four inland.