Active12091939Private limited companySwindon

RAMPION EXTENSION DEVELOPMENT LIMITED

Significant control: Rwe Renewables UK Limited (50–75%), Enbridge Rampion UK Ii Limited (significant control) and 1 more

Companies HouseCompanies House

From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms

Watch this company

Get an email when Companies House records a change for Rampion Extension Development Limited: status, filings, accounts, officers or owners. Free.

Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy

Coming soon · product and service lists

What does Rampion Extension Development Limited sell?

Registered activity: Construction of utility projects for electricity and telecommunications (SIC 42220). We’re building product and service lists for UK companies. Get this one when it’s ready.

One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01

Summary

Generated from filed data · no estimates

RAMPION EXTENSION DEVELOPMENT LIMITED is an active private limited company (company number 12091939) incorporated on 8 July 2019, registered in Swindon. Its registered activity is construction of utility projects for electricity and telecommunications (SIC 42220). Latest full accounts cover the period ending 31 December 2025, showing net assets of £55.54m, with 0 employees on average. Net assets rose 13% on the prior period (£49.29m).

Peer position · net assets

By net assets it sits in the top quarter of 406 comparable companies in Other (median £5,052, upper quartile £41k).

02

Ownership and control

3 active
  • Rwe Renewables Uk Limited
    corporate entity, United Kingdom · since 8 July 2019
    • owns 50–75% of shares
    • holds 50–75% of voting rights
  • Enbridge Rampion Uk Ii Limited
    corporate entity, England And Wales · since 25 June 2020
    • has significant influence or control
  • Rampion Extension Investco Limited
    corporate entity, England And Wales · since 25 June 2020
    • has significant influence or control

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.

03

Key dates

Incorporated
8 July 20197 yrs ago
Next accounts due
30 September 2027in 338 days
Confirmation statement due
22 July 2027in 268 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

04

Activity

SIC 42220
Construction of utility projects for electricity and telecommunications
Accounts type
Full
Size band
MicroCompanies Act thresholds
05

Financials

3 periods on record · latest ending 31 December 2025
Net assets
£55.54m
+13%vs Dec 2024
Cash at bank
Not reported
Turnover
Not reported
Employees
0
Not reported the period before
Net assets
£55.54m
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
31 December 2025£55.54m—————0
31 December 2024£49.29m——————
31 December 2023———————

Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.

06

Filing and accounts signals

Facts from the register · no rating
  • Net assets above zeroNet assets £55,544,000 at 31 December 2025
  • Net assets up 10% or more on the prior period+12.7% vs prior period
  • Three or more accounting periods on record3 periods on record
  • Incorporated five or more years agoIncorporated 8 July 2019

Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.

07

Timeline

Newest first
  1. Next accounts duein 338 days
  2. Confirmation statement duein 268 days
  3. Accounts period endNet assets £55.54m · full accounts
  4. Accounts period endNet assets £49.29m · full accounts
  5. Accounts period end
  6. Incorporated
08

Similar companies in the UK

Same activity (construction of utility projects for electricity and telecommunications), closest in incorporation date
09

Reminders for RAMPION EXTENSION DEVELOPMENT LIMITED

Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.

Source: Companies House register, snapshot 2026-08-31; accounts from the Companies House accounts data product. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown. Contact us about this company.