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Plumber companies in the Chelmsford area

774 plumber companies have a registered office in the Chelmsford area (CM postcodes), and 153 of them were formed in 2025 or 2026. In their latest accounts, the typical one held £14,449 in cash and owed £24,383 at year end.

Companies House register, 1 September 2026, and accounts filed in the last twelve months. Compared with the official category “Plumbing, heat and air-conditioning installation” (SIC 43220). Covers companies with a registered office in CM postcodes, including Chelmsford, Harlow.

The numbers

Plumber companies in the Chelmsford area (CM postcodes) compared with the same category across the UK. Typical figures are medians.
MeasureChelmsfordUK
Registered companies77446,469
Formed in 2025 or 2026153 (20%)20%
Being struck off or in liquidation61 (7.9%)9.4%
Typical cash at year end£14,449273 accounts£16,864
Typical amount owed at year end£24,383488 accounts£23,246
Typical number of employees1482 accounts1

What this means if you’re starting one

Most of these businesses are run by one or two people

The typical plumber company in the Chelmsford area (CM postcodes) reports 1 employee; the top quarter has 2 or more (482 filings).

You are mostly up against owner-operators. Your own hours are likely to be your biggest cost, and the easiest one to undercount.

Cash is tight in this trade

At year end the typical plumber company in the Chelmsford area (CM postcodes) holds £14,449 in cash and owes £24,383; that cash figure is lower than 69% of UK industries.

Typical operators end the year holding less cash than they owe, so there is little slack if takings dip or a big bill lands early.

the Chelmsford area (CM postcodes) already has more of these businesses than most places

Plumber companies are 1.2% of companies registered in the Chelmsford area (CM postcodes), against 0.85% UK-wide (1.4× the national share).

Demand here is proven, but so is choice. Customers can compare you with several nearby options.

Planning a business like this in Chelmsford?

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What these figures can’t tell you

Companies are counted where their registered office is, which may be an accountant or a home address rather than a shop. Sole traders and partnerships are not on the register, and electronically filed accounts cover roughly 60–75% of accounts filed each year. The figures describe companies that exist; they cannot prove demand for your idea or predict whether it will work. How the figures are built.

Plumber in other places

Other businesses in Chelmsford

All business benchmarks in Chelmsford