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Company No. 11780299 · Incorporated 22 Jan 2019

Sparrow Lodge Solar Limited

Registered name: SPARROW LODGE SOLAR LIMITED

Part of Iberdrola Sa group

Sparrow Lodge Solar Limited made a £2.8m loss in the year to 31 Dec 2025 (revenue not disclosed).

Sparrow Lodge Solar Limited reported a loss of £2.8m in the year to 31 Dec 2025; its revenue was not disclosed. It had 100 employees. The company is classified under “production of electricity” and is based in London; we hold 4 years of its filed accounts.

Profit onlySection D · Electricity, gas, steam and air conditioning supplySIC 35110Production of electricity
Status
Active
Location
London, London
Age
7 yrs · since 2019
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.

Latest accounts · year to 31 Dec 2025

Key figures

Revenue
—
Not disclosed in filing
Profit
−£2.8m
Growth —
Profit margin
—
 
Employees
100
Change —
Profit / employee
−£27.7k
 
Profitable streak
0yrs
Consecutive profitable years in our data

This company published its profit but not its turnover, so revenue and margins are not disclosed. We never estimate them.

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

4 filed years

Financial history

Multi-year financials, oldest to newest
Year to31 Dec 202231 Dec 202331 Dec 202431 Dec 2025
DisclosureProfit onlyProfit onlyProfit onlyProfit only
Profit & loss
Revenue (turnover)————
Profit before tax−£5.1k−£5k−£5.3k−£2.8m
Profit (best available)−£5.1k−£5k−£5.3k−£2.8m
Employees (average)—00100
Ratios
Profit margin————
Profit per employee———−£27.7k
Balance sheet — indirect signals, not revenue
Net assets−£35.8k−£41.7k−£46.9k−£2.7m
SourceFullAccounts · bulk data Sep 2024FullAccounts · bulk data Sep 2024FullAccounts · bulk data Sep 2025FullAccounts · bulk data Sep 2026
Derived from the latest filing

How the business works

Profit margin
—
Profit ÷ revenue.
Gross margin
—
Gross profit ÷ revenue. High for software and services.
Revenue per employee
—
Revenue ÷ average employees.
Profit per employee
−£27.7k
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
—
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
—
Now −£2.7m
Cash at bank
—
Now —
Headcount
—
Now 100
Deferred income
—
Now —
Fixed assets
—
Now —
Corporate ownership

Group structure

Ownership chain

  1. Iberdrola Sa (registered outside the UK register)ultimate parent75–100%
  2. SPW Investments Limited75–100%
  3. Scottish Power Limited75–100%
  4. Scottish Power UK PLC75–100%
  5. Scottishpower Renewable Energy Limited75–100%
  6. Scottishpower Renewables (UK) Limited75–100%
  7. Sparrow Lodge Solar Limitedthis company

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

Sister companies (22)

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 −£2.8m), from the Companies House accounts bulk data published Sep 2026. Spotted an error? Request a correction.

Updated from Companies House on 23 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.