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Company No. 05800286 · Incorporated 28 Apr 2006

Bilbster Wind Farm Limited

Registered name: BILBSTER WIND FARM LIMITED

Part of Rwe Ag group

Bilbster Wind Farm Limited made £1.1m revenue and £928k profit in the year to 31 Dec 2025. read from filing text

Bilbster Wind Farm Limited’s revenue grew 9% to £1.1m in the year to 31 Dec 2025, with £928k profit and 0 employees. The company is classified under “production of electricity” and is based in Swindon; we hold 2 years of its filed accounts.

Full P&L filedSection D · Electricity, gas, steam and air conditioning supplySIC 35110Production of electricity
Status
Active
Location
Swindon, South West
Age
20 yrs · since 2006
Type
Private Limited Company

Part of a group. The filing indicates this company sits within a group structure, so its results may depend on intra-group trading and it may be hard to replicate independently. From the filing: “The company's immediate parent is RWE Renewables UK Swindon Limited.”

Latest accounts · year to 31 Dec 2025

Key figures

Small teamOperating leverage
Revenue
£1.1m
Growth ▲8.6%
Profit
£928k
Growth ▲12.7%
Profit margin
83.9%
Gross 62%
Employees
0
Change —
Profit / employee
—
 
Profitable streak
2yrs
Consecutive profitable years in our data

Badges are automated estimates derived from the filed figures — not statements of fact about the company.

2 filed years

Financial history

Multi-year financials, oldest to newest
Year to31 Dec 202431 Dec 2025
DisclosureFull P&Lread from filing textFull P&Lread from filing text
Profit & loss
Revenue (turnover)£1m£1.1m
Cost of sales£451k£420k
Gross profit£567k£686k
Operating profit£568k£685k
Profit before tax£823k£928k
Profit (best available)£823k£928k
Employees (average)—0
Ratios
Profit margin80.8%83.9%
Gross margin55.7%62%
Growth (year on year)
Revenue growth—▲8.6%
Profit growth—▲12.7%
Balance sheet — indirect signals, not revenue
Net assets£6.4m£7.1m
Debtors£6.2m£7m
SourceFullAccounts · bulk data May 2026FullAccounts · bulk data May 2026
Derived from the latest filing

How the business works

Profit margin
83.9%
Profit ÷ revenue.
Gross margin
62%
Gross profit ÷ revenue. High for software and services.
Revenue per employee
—
Revenue ÷ average employees.
Profit per employee
—
Profit ÷ average employees.
Cash conversion
—
Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue
—
Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue
—
Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue
634.3%
Money owed by customers. Low = customers pay quickly.
Indirect — not revenue

Balance-sheet signals

Year-on-year changes in filed balance-sheet items. They can hint at momentum (or investment) but are not revenue or profit and must not be read as such.

Net assets
▲11%
Now £7.1m
Cash at bank
—
Now —
Headcount
—
Now 0
Deferred income
—
Now —
Fixed assets
—
Now —
Corporate ownership

Group structure

Ownership chain

  1. Rwe Ag (registered outside the UK register)ultimate parent75–100%
  2. Rwe Renewables UK Holdings Limited75–100%
  3. Rwe Renewables UK Swindon Limited75–100%
  4. Bilbster Wind Farm Limitedthis company

Bands show the share of ownership each company holds in the one below it.

Sister companies (15)

From the Persons with Significant Control register (corporate controllers only).

Same industry, similar size

Similar profitable businesses

Industry benchmarks →

Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 Dec 2025 (profit £928k), from the Companies House accounts bulk data published May 2026. Spotted an error? Request a correction.

Updated from Companies House on 12 Oct 2026

Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.