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  4. Atherstone Air Conditioning Limited

Atherstone Air Conditioning Limited

ActiveNo accounts filed yet accountsPlumbers and heating engineersWatford
Company number
17424199
Incorporated
27 Aug 2026
Registered office
39 the Metro Centre, Tolpits Lane, Watford, Hertfordshire, WD18 9SB
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
592 days
27 May 2028
From the Companies House register, 1 Oct 2026

Atherstone Air Conditioning Limited is a newly incorporated private limited company registered in Watford, company number 17424199, one of 124 plumbing and heating companies in Watford. Its next accounts are due at Companies House on 27 May 2028, and its first CT600 is due at HMRC on 26 August 2028.

Key dates

This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.

Accounts due
27 May 2028
in 592 days
For the period to 31 Aug 2027
CT600 due (first of two)
26 Aug 2028
in 683 days
Period 27 Aug 2026 to 26 Aug 2027
CT600 due (second of two)
31 Aug 2028
in 688 days
Period 27 Aug 2027 to 31 Aug 2027
Corporation tax payment
1 Jun 2028
in 597 days
9 months and 1 day after the period end
Confirmation statement
9 Sep 2027
in 331 days

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Where Atherstone Air Conditioning Limited is registered

Atherstone Air Conditioning Limited's registered office on a map of the UK

The registered office is in Watford (WD18), in the Three Rivers local authority area, East of England. Show WD18 9SB on a map.

Other trade companies in WD18

Also registered at this address

16 other companies use the same registered office as Atherstone Air Conditioning Limited.

What happens if Atherstone Air Conditioning 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 27 May 2028.

Companies HouseAccounts deliveredPenalty
Up to 1 month late28 May 2028 to 27 Jun 2028£150
1 to 3 months late28 Jun 2028 to 27 Aug 2028£375
3 to 6 months late28 Aug 2028 to 27 Nov 2028£750
More than 6 months lateFrom 28 Nov 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
17424199
Status
Active
Company type
Private limited company
Incorporated
27 August 2026
Registered office
39 the Metro Centre, Tolpits Lane, Watford, Hertfordshire, WD18 9SB
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
31 August (accounting reference date)
Accounts type
No accounts filed yet

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 Watford

Other active plumbing and heating companies registered in Watford.

All plumbing and heating companies in Watford · All trades in Watford · Plumbers and heating engineers across the UK

Frequently asked questions

When are Atherstone Air Conditioning Limited's accounts due?

Atherstone Air Conditioning Limited's next accounts are due at Companies House by 27 May 2028 (in 592 days), covering the period to 31 August 2027.

When is Atherstone Air Conditioning Limited's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 26 August 2027, due by 26 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.

Is Atherstone Air Conditioning Limited still trading?

Atherstone Air Conditioning 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 Atherstone Air Conditioning Limited do?

Atherstone Air Conditioning Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Atherstone Air Conditioning Limited?

Atherstone Air Conditioning Limited was incorporated on 27 August 2026, less than a year ago.

What is the penalty if Atherstone Air Conditioning 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 Atherstone Air Conditioning 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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