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  4. Alux Electrical Limited

Alux Electrical Limited

ActiveMicro-entity accountsElectriciansDarlington
Company number
13579062
Incorporated
23 Aug 20215 years trading
Registered office
2 Peel Court, 24 ST. Cuthberts Way, Darlington, DL1 1GB
Nature of business
Electrical installation
Accounts due in
597 days
31 May 2028
Net assets
£103K▲
+90.6% on the year before
Employees
1
Average during the year
Checked with Companies House 12 Oct 2026

Alux Electrical Limited is a 5-year-old private limited company registered in Darlington, company number 13579062, one of 59 electrical contractors in Darlington. Its next accounts are due at Companies House on 31 May 2028, and the CT600 for the period to 31 August 2027 is due at HMRC on 31 August 2028.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 May 2028
in 597 days
For the period to 31 Aug 2027
CT600 due
31 Aug 2028
in 689 days
Period 1 Sep 2026 to 31 Aug 2027
Corporation tax payment
1 Jun 2028
in 598 days
9 months and 1 day after the period end
Confirmation statement
5 Sep 2026
Overdue by 37 days
Last made up to 22 Aug 2025

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Finances

From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.

  • Net assets up £49K (+90.6%) on the year before, to £103K.
  • Net assets rose in 3 of 4 year-on-year comparisons on record.
  • Current assets of £61K against £16K owed within a year: 3.8 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 5 years, 2022 to 2026.

Net assets by year

Net assets at each year end, 2022 to 2026£0£50K£100K31 August 2022: net assets £7,127£7,127202231 August 2023: net assets £829£829202331 August 2024: net assets £9,728£9,728202431 August 2025: net assets £54K£54K202531 August 2026: net assets £103K£103K2026
Net assets at each year end, 2022 to 2026£0£50K£100K31 August 2022: net assets £7,127£7,127202231 August 2023: net assets £829£829202331 August 2024: net assets £9,728£9,728202431 August 2025: net assets £54K£54K202531 August 2026: net assets £103K£103K2026
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Aug 2026£103K£61K£16K1
31 Aug 2025£54K£44K£17K1
31 Aug 2024£9,728£23K£1,8660
31 Aug 2023£829£19K£1,2821
31 Aug 2022£7,127£19K£1,2831

Who runs and owns Alux Electrical Limited

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officer

NameRoleAppointed
R*** B***DirectorAug 2021

Person with significant control

Individual · since Aug 2021
R*** B***
Owns 75% or more of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Where Alux Electrical Limited is registered

Alux Electrical Limited's registered office on a map of the UK

The registered office is in Darlington (DL1), in the Darlington local authority area, North East. Show DL1 1GB on a map.

Other trade companies in DL1

Shared registered office

56 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.

What happens if Alux Electrical Limited files late

Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 May 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jun 2028 to 30 Jun 2028£150
1 to 3 months late1 Jul 2028 to 31 Aug 2028£375
3 to 6 months late1 Sep 2028 to 30 Nov 2028£750
More than 6 months lateFrom 1 Dec 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Sep 2028£200
3 months late30 Nov 2028another £200
6 months late28 Feb 2029HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Aug 2029another 10% of any unpaid tax

For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.

Company details

As held on the Companies House register.

Company number
13579062
Status
Active
Company type
Private limited company
Incorporated
23 August 2021 (5 years ago)
Registered office
2 Peel Court, 24 ST. Cuthberts Way, Darlington, DL1 1GB
Nature of business
Electrical installation (SIC 43210)
Year end
31 August (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 August 2026
Last confirmation statement
22 August 2025

Filing notes for electrical contractors

Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.

Similar companies in Darlington

Other active electrical contractors registered in Darlington.

All electrical contractors in Darlington · All trades in Darlington · Electricians across the UK

Frequently asked questions

When are Alux Electrical Limited's accounts due?

Alux Electrical Limited's next accounts are due at Companies House by 31 May 2028 (in 597 days), covering the period to 31 August 2027.

When is Alux Electrical Limited's CT600 due?

The CT600 for the period to 31 August 2027 is due at HMRC by 31 August 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2028.

Is Alux Electrical Limited still trading?

Alux Electrical Limited is listed as active on the Companies House register (checked 12 Oct 2026). Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.

What does Alux Electrical Limited do?

Alux Electrical Limited is registered under Electrical installation (SIC 43210).

How old is Alux Electrical Limited?

Alux Electrical Limited was incorporated on 23 August 2021, 5 years ago.

Who runs Alux Electrical Limited?

Alux Electrical Limited has 1 active director, the longest-serving appointed in Aug 2021. Their names and service addresses are on the Companies House register.

Who owns Alux Electrical Limited?

One person or company has significant control of Alux Electrical Limited: an individual (owns 75% or more of the shares).

What is the penalty if Alux Electrical Limited files its accounts late?

Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.

Official records

View Alux Electrical Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.

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