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Modular Building Services Ltd

ActiveTotal exemption (full) accountsBuildersPortishead
Company number
04857736
Incorporated
6 Aug 200323 years trading
Registered office
Glenwood 92 Nore Road, Portishead, North Somerset, BS20 8DX
Nature of business
Construction of commercial buildings
Accounts due in
78 days
29 Dec 2026
Net assets
£88K▲
+527.4% on the year before
Cash at bank
£197K▲
At 29 Mar 2025
Employees
6
Average during the year
From the Companies House register, 1 Oct 2026

Modular Building Services Ltd is a 23-year-old private limited company registered in Portishead, company number 04857736, one of 22 building contractors in Portishead. Its next accounts are due at Companies House on 29 December 2026, and the CT600 for the period to 29 March 2026 is due at HMRC on 29 March 2027.

Key dates

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

Accounts due
29 Dec 2026
in 78 days
For the period to 29 Mar 2026
CT600 due
29 Mar 2027
in 168 days
Period 30 Mar 2025 to 29 Mar 2026
Corporation tax payment
30 Dec 2026
in 79 days
9 months and 1 day after the period end
Confirmation statement
3 Feb 2027
in 114 days
Last made up to 20 Jan 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 up £74K (+527.4%) on the year before, to £88K.
  • Net assets rose in 6 of 9 year-on-year comparisons on record.
  • Current assets of £214K against £177K owed within a year: 1.2 times cover.
  • 6 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£100K£200K31 March 2016: net assets £238K£238K201631 March 2017: net assets £253K£253K201731 March 2018: net assets £254K£254K201831 March 2019: net assets £255K£255K201931 March 2020: net assets £39K£39K202031 March 2021: net assets £104K£104K202131 March 2022: net assets £122K£122K202231 March 2023: net assets £65K£65K202331 March 2024: net assets £14K£14K202429 March 2025: net assets £88K£88K2025
Net assets at each year end, 2016 to 2025£0£100K£200K31 March 2016: net assets £238K£238K'1631 March 2017: net assets £253K£253K'1731 March 2018: net assets £254K£254K'1831 March 2019: net assets £255K£255K'1931 March 2020: net assets £39K£39K'2031 March 2021: net assets £104K£104K'2131 March 2022: net assets £122K£122K'2231 March 2023: net assets £65K£65K'2331 March 2024: net assets £14K£14K'2429 March 2025: net assets £88K£88K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
29 Mar 2025£88K£197K£214K£177K6
31 Mar 2024£14K£22K£99K£111K6
31 Mar 2023£65K£93K£156K£77K7
31 Mar 2022£122K£197K£273K£99K7
31 Mar 2021£104K£169K£313K£133K7
31 Mar 2020£39K£28K£126K£109K0
31 Mar 2019£255K£38K£232K£55K6
31 Mar 2018£254K£149K£296K£126K7
31 Mar 2017£253K£70K£292K£118K8
31 Mar 2016£238K£138K£259K£69K

Where Modular Building Services Ltd is registered

Modular Building Services Ltd's registered office on a map of the UK

The registered office is in Portishead (BS20), in the North Somerset local authority area, South West. Show BS20 8DX on a map.

Other trade companies in BS20

What happens if Modular Building 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 29 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late30 Dec 2026 to 29 Jan 2027£150
1 to 3 months late30 Jan 2027 to 29 Mar 2027£375
3 to 6 months late30 Mar 2027 to 29 Jun 2027£750
More than 6 months lateFrom 30 Jun 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late30 Mar 2027£200
3 months late29 Jun 2027another £200
6 months late29 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late29 Mar 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
04857736
Status
Active
Company type
Private limited company
Incorporated
6 August 2003 (23 years ago)
Registered office
Glenwood 92 Nore Road, Portishead, North Somerset, BS20 8DX
Nature of business
Construction of commercial buildings (SIC 41201)
Year end
29 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
29 March 2025
Last confirmation statement
20 January 2026

Filing notes for building contractors

Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.

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Frequently asked questions

When are Modular Building Services Ltd's accounts due?

Modular Building Services Ltd's next accounts are due at Companies House by 29 December 2026 (in 78 days), covering the period to 29 March 2026.

When is Modular Building Services Ltd's CT600 due?

The CT600 for the period to 29 March 2026 is due at HMRC by 29 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 December 2026.

Is Modular Building Services Ltd still trading?

Modular Building 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 Modular Building Services Ltd do?

Modular Building Services Ltd is registered under Construction of commercial buildings (SIC 41201).

How old is Modular Building Services Ltd?

Modular Building Services Ltd was incorporated on 6 August 2003, 23 years ago.

What is the penalty if Modular Building 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 Modular Building 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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