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  4. Absolute Leak Detection Limited

Absolute Leak Detection Limited

ActiveTotal exemption (full) accountsPlumbers and heating engineersSouthend-on-Sea
Company number
10616769
Incorporated
13 Feb 20179 years trading
Registered office
Unit 38 Laurence Industrial Estate, Eastwoodbury Lane, Southend-on-Sea, Essex, SS2 6RH
Nature of business
Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.
Accounts due in
414 days
30 Nov 2027
Net assets
£350K▼
-8.3% on the year before
Cash at bank
£119K▲
At 28 Feb 2026
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

Absolute Leak Detection Limited is a 9-year-old private limited company registered in Southend-on-Sea, company number 10616769, one of 52 plumbing and heating companies in Southend-on-Sea. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.

Key dates

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

Accounts due
30 Nov 2027
in 414 days
For the period to 28 Feb 2027
CT600 due
28 Feb 2028
in 504 days
Period 1 Mar 2026 to 28 Feb 2027
Corporation tax payment
1 Dec 2027
in 415 days
9 months and 1 day after the period end
Confirmation statement
26 Feb 2027
in 137 days
Last made up to 12 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 down £32K (-8.3%) on the year before, to £350K.
  • Net assets rose in 5 of 8 year-on-year comparisons on record.
  • Current assets of £644K against £314K owed within a year: 2.1 times cover.
  • No employees reported for the latest year (directors are often not counted as employees).
  • Balance sheets on record for 9 years, 2018 to 2026.

Net assets by year

Net assets at each year end, 2018 to 2026£0£200K£400K28 February 2018: net assets £12K£12K201828 February 2019: net assets £91K£91K201928 February 2020: net assets £275K£275K202028 February 2021: net assets £454K£454K202128 February 2022: net assets £441K£441K202228 February 2023: net assets £354K£354K202328 February 2024: net assets £381K£381K202428 February 2025: net assets £381K£381K202528 February 2026: net assets £350K£350K2026
Net assets at each year end, 2018 to 2026£0£200K£400K28 February 2018: net assets £12K£12K'1828 February 2019: net assets £91K£91K'1928 February 2020: net assets £275K£275K'2028 February 2021: net assets £454K£454K'2128 February 2022: net assets £441K£441K'2228 February 2023: net assets £354K£354K'2328 February 2024: net assets £381K£381K'2428 February 2025: net assets £381K£381K'2528 February 2026: net assets £350K£350K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
28 Feb 2026£350K£119K£644K£314K0
28 Feb 2025£381K£112K£703K7
28 Feb 2024£381K£224K£665K£270K7
28 Feb 2023£354K£131K£540K£190K8
28 Feb 2022£441K£248K£644K£223K8
28 Feb 2021£454K£355K£631K£217K7
28 Feb 2020£275K£250K£465K£219K5
28 Feb 2019£91K£80K£189K£100K
28 Feb 2018£12K£20K£43K£49K

Where Absolute Leak Detection Limited is registered

Absolute Leak Detection Limited's registered office on a map of the UK

The registered office is in Southend-on-Sea (SS2), in the Southend-on-Sea local authority area, East of England. Show SS2 6RH on a map.

Other trade companies in SS2

What happens if Absolute Leak Detection 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 30 November 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Dec 2027 to 31 Dec 2027£150
1 to 3 months late1 Jan 2028 to 29 Feb 2028£375
3 to 6 months late1 Mar 2028 to 31 May 2028£750
More than 6 months lateFrom 1 Jun 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late29 Feb 2028£200
3 months late28 May 2028another £200
6 months late28 Aug 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late28 Feb 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
10616769
Status
Active
Company type
Private limited company
Incorporated
13 February 2017 (9 years ago)
Registered office
Unit 38 Laurence Industrial Estate, Eastwoodbury Lane, Southend-on-Sea, Essex, SS2 6RH
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999)
Year end
28 February (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
28 February 2026
Last confirmation statement
12 February 2026

Filing notes for plumbing and heating companies

Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.

Similar companies in Southend-on-Sea

Other active plumbing and heating companies registered in Southend-on-Sea.

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Frequently asked questions

When are Absolute Leak Detection Limited's accounts due?

Absolute Leak Detection Limited's next accounts are due at Companies House by 30 November 2027 (in 414 days), covering the period to 28 February 2027.

When is Absolute Leak Detection Limited's CT600 due?

The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.

Is Absolute Leak Detection Limited still trading?

Absolute Leak Detection 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 Absolute Leak Detection Limited do?

Absolute Leak Detection Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999).

How old is Absolute Leak Detection Limited?

Absolute Leak Detection Limited was incorporated on 13 February 2017, 9 years ago.

What is the penalty if Absolute Leak Detection 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 Absolute Leak Detection 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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