Research memoUnited Utilities Group PLC (UU.L) · LSEMemo of October 18, 2026

United Utilities stock forecast

United Utilities’ weighted price is 1,711.90 GBp in October 2029. The United Utilities case hinges on AMP8 investment becoming delivered assets and returns without debt, penalties or dilution absorbing the benefit.

1,495.00
Share price today, GBp
1711.90 (+26 %)
Weighted scenario, October 2029
-1.1%
Real free cash flow yield
14.3x
P/E, next 12 months
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Every number traced to United Utilities's filings8 chapters · 16,423 words183 sources cited

Where could United Utilities’ shares be by 2029?

The forecast puts the weighted price at 1466.27 GBp in October 2027. Including dividends, that is a 2% return. It reaches 1575.14 GBp in October 2028, equivalent to a 13% return. By October 2029, the weighted price is 1711.90 GBp, giving a 26% return.

The three-year range runs from 1023.09 GBp in the bear case to 2500.13 GBp in the bull case. Today’s price is 1495.00 GBp. The base case has the largest probability at 55%, against 25% for the bear case and 20% for the bull case.

Share price in October 2029: our three scenarios (GBp)Today 14.951023.09Bear · 25 % · -20%1738.36Base · 55 % · +28%2500.13Bull · 20 % · +79%
What the shares could be worthGBp per UU.L share at each date; in brackets the return since today's 1495.00, dividends included
CaseProbabilityOctober 2027October 2028October 2029
Bear25 %1108.56 (-22 %)1043.09 (-23 %)1023.09 (-20 %)
Base55 %1522.21 (+6 %)1623.47 (+16 %)1738.36 (+28 %)
Bull20 %1759.59 (+21 %)2107.27 (+49 %)2500.13 (+79 %)
Weighted100 %1466.27 (+2 %)1575.14 (+13 %)1711.90 (+26 %)

What has to go right for United Utilities, and what could go wrong?

The bear case assumes cost pressure, penalties and financing reduce EPS. The bull case assumes more investment is approved, delivered efficiently and supported by better service. FY26 capital spending of £1,492.1m exceeded operating cash of £1,381.9m, while net ODI penalties were about £35m. Those facts justify keeping both downside and execution risk visible.

How much cash does United Utilities really make?

Cash from operations was £1,381.9 million in FY26. The company then spent £1,492.1 million on capital investment. Real free cash flow, after capital spending, lease payments, interest already included in the cash-flow statement and stock-based pay, was negative £117.4 million. It was also negative £76.5 million in FY25.

Follow the money: real free cash flow£ millions; per share in pence
Mar 2026Mar 2025Mar 2024Mar 2023Mar 2022
Cash from operations1,381.9918.1745.1787.5934.4
− Capital spending1,492.1988.5749.5675.9609.0
− Interest paid00000
= Free cash flow-112.9-71.8-5.9109.8323.3
− Stock pay4.54.72.15.14.8
= Real free cash flow-117.4-76.5-8.0104.7318.5

What does an investor pay today for United Utilities?

Cash flow explains why a profitable utility can still have a negative free-cash-flow yield. UU spent £1,525m on capital expenditure in FY26 and plans about £11.5bn across AMP8. Like renovating a house, the cash leaves today while the assets are expected to create value over many years.

What an investor pays today£ millions; per share in pence
Today (Oct 18, 2026)
Share price1,495.00
P/E, last 12 months (calculated)17.4x
P/E, next 12 months (calculated)14.3x
Free cash flow yield (calculated)-1.0%
Real free cash flow yield (calculated)-1.1%
From the full memo · 1. The business

United Utilities is the water and wastewater utility for North West England: it turns water from the environment into a service at the tap, then collects and treats much of what customers send down the drain. Its business is a regulated regional system, so a pound comes in through recurring charges and goes out through operations, investment and finance.

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Where these numbers come from

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