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  4. Advanced Climate Systems Ltd

Advanced Climate Systems Ltd

ActiveNo accounts filed yet accountsPlumbers and heating engineersLondon
Company number
16539950
Incorporated
24 Jun 20251 year trading
Registered office
1 Hilton House, Amherst Road, London, W13 8NF
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
163 days
24 Mar 2027
From the Companies House register, 1 Oct 2026

Advanced Climate Systems Ltd is a 1-year-old private limited company registered in London, company number 16539950, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 24 March 2027, and its first CT600 is due at HMRC on 23 June 2027.

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
24 Mar 2027
in 163 days
For the period to 30 Jun 2026
CT600 due (first of two)
23 Jun 2027
in 254 days
Period 24 Jun 2025 to 23 Jun 2026
CT600 due (second of two)
30 Jun 2027
in 261 days
Period 24 Jun 2026 to 30 Jun 2026
Corporation tax payment
1 Apr 2027
in 171 days
9 months and 1 day after the period end
Confirmation statement
20 Sep 2027
in 343 days
Last made up to 6 Sep 2026

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Who runs and owns Advanced Climate Systems Ltd

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

Officer

NameRoleAppointed
P*** M***DirectorJul 2025
1 former officer
NameRoleAppointedLeft
H*** G***DirectorJun 2025Nov 2025

Person with significant control

Individual · since Jul 2025
P*** M***
Owns 75% or more of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Where Advanced Climate Systems Ltd is registered

Advanced Climate Systems Ltd's registered office on a map of the UK

The registered office is in London (W13), in the Ealing local authority area, London. Show W13 8NF on a map.

Other trade companies in W13

Also registered at this address

1 other company uses the same registered office as Advanced Climate Systems Ltd.

What happens if Advanced Climate Systems Ltd 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 24 March 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late25 Mar 2027 to 24 Apr 2027£150
1 to 3 months late25 Apr 2027 to 24 Jun 2027£375
3 to 6 months late25 Jun 2027 to 24 Sep 2027£750
More than 6 months lateFrom 25 Sep 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jul 2027£200
3 months late30 Sep 2027another £200
6 months late30 Dec 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Jun 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
16539950
Status
Active
Company type
Private limited company
Incorporated
24 June 2025 (1 year ago)
Registered office
1 Hilton House, Amherst Road, London, W13 8NF
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
30 June (accounting reference date)
Accounts type
No accounts filed yet
Last confirmation statement
6 September 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.

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Other active plumbing and heating companies registered in London.

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Frequently asked questions

When are Advanced Climate Systems Ltd's accounts due?

Advanced Climate Systems Ltd's next accounts are due at Companies House by 24 March 2027 (in 163 days), covering the period to 30 June 2026.

When is Advanced Climate Systems Ltd's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 23 June 2026, due by 23 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.

Is Advanced Climate Systems Ltd still trading?

Advanced Climate Systems Ltd 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 Climate Systems Ltd do?

Advanced Climate Systems Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Advanced Climate Systems Ltd?

Advanced Climate Systems Ltd was incorporated on 24 June 2025, 1 year ago.

Who runs Advanced Climate Systems Ltd?

Advanced Climate Systems Ltd has 1 active director, the longest-serving appointed in Jul 2025. Their names and service addresses are on the Companies House register.

Who owns Advanced Climate Systems Ltd?

One person or company has significant control of Advanced Climate Systems Ltd: an individual (owns 75% or more of the shares).

What is the penalty if Advanced Climate Systems Ltd 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 Climate Systems Ltd 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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