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Advanced Electrical Systems Limited

ActiveTotal exemption (full) accountsElectriciansAppleton
Company number
01778162
Incorporated
14 Dec 198342 years trading
Registered office
The Old Forge, Badswell Lane, Appleton, Oxon, OX13 5JN
Nature of business
Electrical installation
Accounts due in
80 days
31 Dec 2026
Net assets
£587K▲
+3.5% on the year before
Cash at bank
£128K▼
At 31 Mar 2025
Employees
17
Average during the year
From the Companies House register, 1 Oct 2026

Advanced Electrical Systems Limited is a 42-year-old private limited company registered in Appleton, company number 01778162, one of the UK's electrical contractors. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.

Key dates

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

Accounts due
31 Dec 2026
in 80 days
For the period to 31 Mar 2026
CT600 due
31 Mar 2027
in 170 days
Period 1 Apr 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 81 days
9 months and 1 day after the period end
Confirmation statement
14 Mar 2027
in 153 days
Last made up to 28 Feb 2026

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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 £20K (+3.5%) on the year before, to £587K.
  • Net assets rose in 6 of 9 year-on-year comparisons on record.
  • Current assets of £545K against £141K owed within a year: 3.9 times cover.
  • 17 employees on average, down from 18 the year before.
  • Balance sheets on record for 10 years, 2015 to 2025.

Net assets by year

Net assets at each year end, 2015 to 2025£0£250K£500K31 December 2015: net assets £374K£374K201531 December 2016: net assets £408K£408K201631 December 2017: net assets £437K£437K201731 December 2018: net assets £523K£523K201831 December 2019: net assets £599K£599K201931 December 2020: net assets £571K£571K202031 December 2021: net assets £610K£610K202131 December 2022: net assets £606K£606K202231 December 2023: net assets £567K£567K202331 March 2025: net assets £587K£587K2025
Net assets at each year end, 2015 to 2025£0£250K£500K31 December 2015: net assets £374K£374K'1531 December 2016: net assets £408K£408K'1631 December 2017: net assets £437K£437K'1731 December 2018: net assets £523K£523K'1831 December 2019: net assets £599K£599K'1931 December 2020: net assets £571K£571K'2031 December 2021: net assets £610K£610K'2131 December 2022: net assets £606K£606K'2231 December 2023: net assets £567K£567K'2331 March 2025: net assets £587K£587K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2025£587K£128K£545K£141K17
31 Dec 2023£567K£198K£457K£98K18
31 Dec 2022£606K£296K£500K£118K17
31 Dec 2021£610K£299K£533K£153K16
31 Dec 2020£571K£378K£525K£132K16
31 Dec 2019£599K£446K£603K£227K16
31 Dec 2018£523K£348K£455K£150K18
31 Dec 2017£437K£218K£448K£179K18
31 Dec 2016£408K£177K£379K£125K15
31 Dec 2015£374K£167K£371K£156K

Where Advanced Electrical Systems Limited is registered

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

The registered office is in Appleton (OX13), in the Vale of White Horse local authority area, South East. Show OX13 5JN on a map.

Other trade companies in OX13

What happens if Advanced Electrical Systems 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 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2027 to 31 Jan 2027£150
1 to 3 months late1 Feb 2027 to 31 Mar 2027£375
3 to 6 months late1 Apr 2027 to 30 Jun 2027£750
More than 6 months lateFrom 1 Jul 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2027£200
3 months late30 Jun 2027another £200
6 months late30 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 2028another 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
01778162
Status
Active
Company type
Private limited company
Incorporated
14 December 1983 (42 years ago)
Registered office
The Old Forge, Badswell Lane, Appleton, Oxon, OX13 5JN
Nature of business
Electrical installation (SIC 43210)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2025
Last confirmation statement
28 February 2026
Charges (mortgages)
0 outstanding of 1 registered

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

Other active electrical contractors.

Electricians across the UK

Frequently asked questions

When are Advanced Electrical Systems Limited's accounts due?

Advanced Electrical Systems Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.

When is Advanced Electrical Systems Limited's CT600 due?

The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.

Is Advanced Electrical Systems Limited still trading?

Advanced Electrical Systems Limited is listed as active on the Companies House register as of 1 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 Advanced Electrical Systems Limited do?

Advanced Electrical Systems Limited is registered under Electrical installation (SIC 43210).

How old is Advanced Electrical Systems Limited?

Advanced Electrical Systems Limited was incorporated on 14 December 1983, 42 years ago.

What is the penalty if Advanced Electrical Systems 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 Advanced Electrical Systems 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). 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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