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  4. KS Plumbing & Building Services Limited

KS Plumbing & Building Services Limited

Company number
09033947
Incorporated
12 May 201412 years trading
Registered office
Suite 103 Milton Keynes Business Centre Hayley Court, Linford Wood, Milton Keynes, MK14 6GD
Nature of business
Plumbing, heat and air-conditioning installation; Other engineering activities
Accounts due in
138 days
28 Feb 2027
Net assets
-£9,008▼
-246.9% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

KS Plumbing & Building Services Limited is a 12-year-old private limited company registered in Milton Keynes, company number 09033947, one of 197 plumbing and heating companies in Milton Keynes. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.

Key dates

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

Accounts due
28 Feb 2027
in 138 days
For the period to 31 May 2026
CT600 due
31 May 2027
in 230 days
Period 1 Jun 2025 to 31 May 2026
Corporation tax payment
1 Mar 2027
in 139 days
9 months and 1 day after the period end
Confirmation statement
5 Jun 2027
in 235 days
Last made up to 22 May 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 £15K (-246.9%) on the year before, to -£9,008.
  • Net assets rose in 4 of 9 year-on-year comparisons on record.
  • Current assets of £17K against £36K owed within a year: 0.5 times cover.
  • 1 employee 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£031 May 2016: net assets £2,296£2,296201631 May 2017: net assets £5,055£5,055201731 May 2018: net assets £5,455£5,455201831 May 2019: net assets £3,504£3,504201931 May 2020: net assets £3,182£3,182202031 May 2021: net assets £1,487£1,487202131 May 2022: net assets £7,004£7,004202231 May 2023: net assets £1,899£1,899202331 May 2024: net assets £6,134£6,134202431 May 2025: net assets -£9,008-£9,0082025
Net assets at each year end, 2016 to 2025£031 May 2016: net assets £2,296£2,296'1631 May 2017: net assets £5,055£5,055'1731 May 2018: net assets £5,455£5,455'1831 May 2019: net assets £3,504£3,504'1931 May 2020: net assets £3,182£3,182'2031 May 2021: net assets £1,487£1,487'2131 May 2022: net assets £7,004£7,004'2231 May 2023: net assets £1,899£1,899'2331 May 2024: net assets £6,134£6,134'2431 May 2025: net assets -£9,008-£9,008'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 May 2025-£9,008£17K£36K1
31 May 2024£6,134£5,612£49K£53K1
31 May 2023£1,899£8,291£32K£28K1
31 May 2022£7,004£14K£37K£21K1
31 May 2021£1,487£7,738£36K£13K1
31 May 2020£3,182£4,777£18K£15K1
31 May 2019£3,504£3,276£17K£13K
31 May 2018£5,455£6,261£14K£8,623
31 May 2017£5,055£1,664£14K£9,143
31 May 2016£2,296£21K£25K£9,449

Where KS Plumbing & Building Services Limited is registered

KS Plumbing & Building Services Limited's registered office on a map of the UK

The registered office is in Milton Keynes (MK14), in the Milton Keynes local authority area, South East. Show MK14 6GD on a map.

Other trade companies in MK14

Also registered at this address

3 other companies use the same registered office as KS Plumbing & Building Services Limited.

What happens if KS Plumbing & 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 February 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Mar 2027 to 31 Mar 2027£150
1 to 3 months late1 Apr 2027 to 31 May 2027£375
3 to 6 months late1 Jun 2027 to 31 Aug 2027£750
More than 6 months lateFrom 1 Sep 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jun 2027£200
3 months late31 Aug 2027another £200
6 months late30 Nov 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 May 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
09033947
Status
Active
Company type
Private limited company
Incorporated
12 May 2014 (12 years ago)
Registered office
Suite 103 Milton Keynes Business Centre Hayley Court, Linford Wood, Milton Keynes, MK14 6GD
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Other engineering activities (SIC 71129)
Year end
31 May (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 May 2025
Last confirmation statement
22 May 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 Milton Keynes.

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Frequently asked questions

When are KS Plumbing & Building Services Limited's accounts due?

KS Plumbing & Building Services Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.

When is KS Plumbing & Building Services Limited's CT600 due?

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

Is KS Plumbing & Building Services Limited still trading?

KS Plumbing & 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 KS Plumbing & Building Services Limited do?

KS Plumbing & Building Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other engineering activities (SIC 71129).

How old is KS Plumbing & Building Services Limited?

KS Plumbing & Building Services Limited was incorporated on 12 May 2014, 12 years ago.

What is the penalty if KS Plumbing & 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 KS Plumbing & 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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