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Cadogan Building Services Limited

ActiveUnaudited abridged accountsPlumbers and heating engineersOakleigh Road South
Company number
05761141
Incorporated
29 Mar 200620 years trading
Registered office
C/O Afe Accountants Limited Building 3, North London Business Park, Oakleigh Road South, London, N11 1GN
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
258 days
28 Jun 2027
Net assets
£523K
At 28 Sep 2025
Cash at bank
£516K
At 28 Sep 2025
Employees
3
Average during the year
From the Companies House register, 1 Oct 2026

Cadogan Building Services Limited is a 20-year-old private limited company registered in Oakleigh Road South, company number 05761141, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 28 June 2027, and the CT600 for the period to 28 September 2026 is due at HMRC on 28 September 2027.

Key dates

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

Accounts due
28 Jun 2027
in 258 days
For the period to 28 Sep 2026
CT600 due
28 Sep 2027
in 350 days
Period 29 Sep 2025 to 28 Sep 2026
Corporation tax payment
29 Jun 2027
in 259 days
9 months and 1 day after the period end
Confirmation statement
11 Apr 2027
in 180 days
Last made up to 28 Mar 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 £13K (-2.5%) on the year before, to £523K.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • Current assets of £538K against £16K owed within a year: more than 10 times cover.
  • 3 employees on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£500K£1M28 September 2016: net assets £380K£380K201628 September 2017: net assets £532K£532K201728 September 2018: net assets £876K£876K201828 September 2019: net assets £647K£647K201928 September 2020: net assets £853K£853K202028 September 2021: net assets £1.2M£1.2M202128 September 2022: net assets £329K£329K202228 September 2023: net assets £297K£297K202328 September 2024: net assets £536K£536K202428 September 2025: net assets £523K£523K2025
Net assets at each year end, 2016 to 2025£0£500K£1M28 September 2016: net assets £380K£380K'1628 September 2017: net assets £532K£532K'1728 September 2018: net assets £876K£876K'1828 September 2019: net assets £647K£647K'1928 September 2020: net assets £853K£853K'2028 September 2021: net assets £1.2M£1.2M'2128 September 2022: net assets £329K£329K'2228 September 2023: net assets £297K£297K'2328 September 2024: net assets £536K£536K'2428 September 2025: net assets £523K£523K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
28 Sep 2025£523K£516K£538K£16K3
28 Sep 2024£536K£709K£745K£210K3
28 Sep 2023£297K£398K£515K£219K3
28 Sep 2022£329K£475K£864K£536K4
28 Sep 2021£1.2M£1.3M£1.9M£503K2
28 Sep 2020£853K£910K£1.3M£375K2
28 Sep 2019£647K£119K£984K£266K2
28 Sep 2018£876K£663K£1.3M£414K1
28 Sep 2017£532K£804K£1.2M£669K1
28 Sep 2016£380K£531K£946K£569K1

Where Cadogan Building Services Limited is registered

Cadogan Building Services Limited's registered office on a map of the UK

The registered office is in Oakleigh Road South (N11), in the Barnet local authority area, London. Show N11 1GN on a map.

Other trade companies in N11

What happens if Cadogan Building Services 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 28 June 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late29 Jun 2027 to 28 Jul 2027£150
1 to 3 months late29 Jul 2027 to 28 Sep 2027£375
3 to 6 months late29 Sep 2027 to 28 Dec 2027£750
More than 6 months lateFrom 29 Dec 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late29 Sep 2027£200
3 months late28 Dec 2027another £200
6 months late28 Mar 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late28 Sep 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
05761141
Status
Active
Company type
Private limited company
Incorporated
29 March 2006 (20 years ago)
Registered office
C/O Afe Accountants Limited Building 3, North London Business Park, Oakleigh Road South, London, N11 1GN
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
28 September (accounting reference date)
Accounts type
Unaudited abridged
Last accounts made up to
28 September 2025
Last confirmation statement
28 March 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

Other active plumbing and heating companies.

Plumbers and heating engineers across the UK

Frequently asked questions

When are Cadogan Building Services Limited's accounts due?

Cadogan Building Services Limited's next accounts are due at Companies House by 28 June 2027 (in 258 days), covering the period to 28 September 2026.

When is Cadogan Building Services Limited's CT600 due?

The CT600 for the period to 28 September 2026 is due at HMRC by 28 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 29 June 2027.

Is Cadogan Building Services Limited still trading?

Cadogan Building Services 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 Cadogan Building Services Limited do?

Cadogan Building Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Cadogan Building Services Limited?

Cadogan Building Services Limited was incorporated on 29 March 2006, 20 years ago.

What is the penalty if Cadogan Building Services 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 Cadogan Building Services 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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