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  3. A.A.C. Waterproofing Limited

A.A.C. Waterproofing Limited

ActiveTotal exemption (full) accountsRoofersSaltney
Company number
02406740
Incorporated
21 Jul 198937 years trading
Registered office
Red Hill House Office 33 Red Hill House, 41 Hope Street, Saltney, Chester, CH4 8BU
Nature of business
Roofing activities
Accounts due in
353 days
30 Sep 2027
Net assets
£145K▲
+59.7% on the year before
Cash at bank
£164K▲
At 31 Dec 2025
Employees
9
Average during the year
From the Companies House register, 1 Oct 2026

A.A.C. Waterproofing Limited is a 37-year-old private limited company registered in Saltney, company number 02406740, one of the UK's roofing companies. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.

Key dates

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

Accounts due
30 Sep 2027
in 353 days
For the period to 31 Dec 2026
CT600 due
31 Dec 2027
in 445 days
Period 1 Jan 2026 to 31 Dec 2026
Corporation tax payment
1 Oct 2027
in 354 days
9 months and 1 day after the period end
Confirmation statement
3 Feb 2027
in 114 days
Last made up to 20 Jan 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 £54K (+59.7%) on the year before, to £145K.
  • Net assets rose in 3 of 6 year-on-year comparisons on record.
  • 9 employees on average during the year.
  • Balance sheets on record for 8 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2023 to 2025£0£100K31 December 2023: net assets £195K£195K202331 December 2024: net assets £91K£91K202431 December 2025: net assets £145K£145K2025
Net assets at each year end, 2023 to 2025£0£100K31 December 2023: net assets £195K£195K202331 December 2024: net assets £91K£91K202431 December 2025: net assets £145K£145K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Dec 2025£145K£164K£158K9
31 Dec 2024£91K£3,588£499K9
31 Dec 2023£195K£308£594K9
31 Jul 2020-£88K£5,101£363K£509K10
31 Jul 2019-£127K£1,069£412K£626K12
31 Jul 2018£74K£3,746£521K£469K12
31 Jul 2017£130K£23K£696K£591K14
31 Jul 2016£128K£665£902K£854K

Public contracts won

A.A.C. Waterproofing Limited has one public sector contract award on record; the ones with their own published value total £40K (2026). Source: Contracts Finder and Find a Tender award notices.

BuyerContractValueAwarded
Liverpool Hope UniversityEden Roof Replacement Works£40K9 Sep 2026

Where A.A.C. Waterproofing Limited is registered

A.A.C. Waterproofing Limited's registered office on a map of the UK

The registered office is in Saltney (CH4), in the Cheshire West and Chester local authority area, North West. Show CH4 8BU on a map.

Other trade companies in CH4

What happens if A.A.C. Waterproofing 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 September 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Oct 2027 to 31 Oct 2027£150
1 to 3 months late1 Nov 2027 to 31 Dec 2027£375
3 to 6 months late1 Jan 2028 to 31 Mar 2028£750
More than 6 months lateFrom 1 Apr 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jan 2028£200
3 months late31 Mar 2028another £200
6 months late30 Jun 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Dec 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
02406740
Status
Active
Company type
Private limited company
Incorporated
21 July 1989 (37 years ago)
Registered office
Red Hill House Office 33 Red Hill House, 41 Hope Street, Saltney, Chester, CH4 8BU
Nature of business
Roofing activities (SIC 43910)
Year end
31 December (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 December 2025
Last confirmation statement
20 January 2026
Charges (mortgages)
2 outstanding of 12 registered

Filing notes for roofing companies

Roofing companies commonly work under CIS and run vans and access equipment, so CIS deductions and capital allowances are the two things to get right.

Similar companies

Other active roofing companies.

Roofers across the UK

Frequently asked questions

When are A.A.C. Waterproofing Limited's accounts due?

A.A.C. Waterproofing Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.

When is A.A.C. Waterproofing Limited's CT600 due?

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

Is A.A.C. Waterproofing Limited still trading?

A.A.C. Waterproofing 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 A.A.C. Waterproofing Limited do?

A.A.C. Waterproofing Limited is registered under Roofing activities (SIC 43910).

How old is A.A.C. Waterproofing Limited?

A.A.C. Waterproofing Limited was incorporated on 21 July 1989, 37 years ago.

Has A.A.C. Waterproofing Limited won public sector contracts?

Yes. A.A.C. Waterproofing Limited has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £40K), most recently from LIVERPOOL HOPE UNIVERSITY.

What is the penalty if A.A.C. Waterproofing 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 A.A.C. Waterproofing 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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