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  4. Lansdowne Airconditioning, Heating and Building Maintenance Services . Ltd

Lansdowne Airconditioning, Heating and Building Maintenance Services . Ltd

ActiveTotal exemption (full) accountsPlumbers and heating engineersStaines
Company number
07803178
Incorporated
10 Oct 201115 years trading
Registered office
c/o Lansdowne, Centurion House, London Road, Staines, Middlesex, TW18 4AX
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
322 days
31 Aug 2027
Net assets
£434K▼
-10.6% on the year before
Cash at bank
£407K▼
At 30 Nov 2025
Employees
5
Average during the year
From the Companies House register, 1 Oct 2026

Lansdowne Airconditioning, Heating and Building Maintenance Services . Ltd is a 15-year-old private limited company registered in Staines, company number 07803178, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.

Key dates

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

Accounts due
31 Aug 2027
in 322 days
For the period to 30 Nov 2026
CT600 due
30 Nov 2027
in 413 days
Period 1 Dec 2025 to 30 Nov 2026
Corporation tax payment
1 Sep 2027
in 323 days
9 months and 1 day after the period end
Confirmation statement
24 Oct 2026
in 11 days
Last made up to 10 Oct 2025

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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 £51K (-10.6%) on the year before, to £434K.
  • Net assets rose in 6 of 9 year-on-year comparisons on record.
  • Current assets of £632K against £236K owed within a year: 2.7 times cover.
  • 5 employees on average during the year.
  • Balance sheets on record for 10 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025£0£500K31 March 2017: net assets £35K£35K201731 March 2018: net assets £29K£29K201831 March 2019: net assets £48K£48K201931 March 2020: net assets £126K£126K202031 March 2021: net assets £303K£303K202131 March 2022: net assets £721K£721K202231 March 2023: net assets £884K£884K202331 March 2024: net assets £482K£482K202430 November 2024: net assets £485K£485K202430 November 2025: net assets £434K£434K2025
Net assets at each year end, 2017 to 2025£0£500K31 March 2017: net assets £35K£35K'1731 March 2018: net assets £29K£29K'1831 March 2019: net assets £48K£48K'1931 March 2020: net assets £126K£126K'2031 March 2021: net assets £303K£303K'2131 March 2022: net assets £721K£721K'2231 March 2023: net assets £884K£884K'2331 March 2024: net assets £482K£482K'2430 November 2024: net assets £485K£485K'2430 November 2025: net assets £434K£434K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Nov 2025£434K£407K£632K£236K5
30 Nov 2024£485K£467K£663K£231K5
31 Mar 2024£482K£513K£665K£251K5
31 Mar 2023£884K£349K£950K£134K5
31 Mar 2022£721K£725K£1.1M£418K5
31 Mar 2021£303K£277K£372K£118K5
31 Mar 2020£126K£138K£198K£131K5
31 Mar 2019£48K£105K£149K£147K
31 Mar 2018£29K£79K£79K£64K
31 Mar 2017£35K£80K£65K

Where Lansdowne Airconditioning, Heating and Building Maintenance Services . Ltd is registered

Lansdowne Airconditioning, Heating and Building Maintenance Services . Ltd's registered office on a map of the UK

The registered office is in Staines (TW18), in the Spelthorne local authority area, South East. Show TW18 4AX on a map.

Other trade companies in TW18

Also registered at this address

8 other companies use the same registered office as Lansdowne Airconditioning, Heating and Building Maintenance Services . Ltd.

What happens if Lansdowne Airconditioning, Heating and Building Maintenance Services . 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 31 August 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Sep 2027 to 30 Sep 2027£150
1 to 3 months late1 Oct 2027 to 30 Nov 2027£375
3 to 6 months late1 Dec 2027 to 29 Feb 2028£750
More than 6 months lateFrom 1 Mar 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Dec 2027£200
3 months late29 Feb 2028another £200
6 months late30 May 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Nov 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
07803178
Status
Active
Company type
Private limited company
Incorporated
10 October 2011 (15 years ago)
Registered office
c/o Lansdowne, Centurion House, London Road, Staines, Middlesex, TW18 4AX
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
30 November (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 November 2025
Last confirmation statement
10 October 2025

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 Staines.

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Frequently asked questions

When are Lansdowne Airconditioning, Heating and Building Maintenance Services . Ltd's accounts due?

Lansdowne Airconditioning, Heating and Building Maintenance Services . Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.

When is Lansdowne Airconditioning, Heating and Building Maintenance Services . Ltd's CT600 due?

The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.

Is Lansdowne Airconditioning, Heating and Building Maintenance Services . Ltd still trading?

Lansdowne Airconditioning, Heating and Building Maintenance Services . 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 Lansdowne Airconditioning, Heating and Building Maintenance Services . Ltd do?

Lansdowne Airconditioning, Heating and Building Maintenance Services . Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Lansdowne Airconditioning, Heating and Building Maintenance Services . Ltd?

Lansdowne Airconditioning, Heating and Building Maintenance Services . Ltd was incorporated on 10 October 2011, 15 years ago.

What is the penalty if Lansdowne Airconditioning, Heating and Building Maintenance Services . 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 Lansdowne Airconditioning, Heating and Building Maintenance Services . 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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