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  4. Bainbridge Building & Maintenance Ltd

Bainbridge Building & Maintenance Ltd

ActiveUnaudited abridged accountsCivil engineeringDurham
Company number
09191670
Incorporated
28 Aug 201412 years trading
Registered office
Oakmere, Belmont Business Park, Durham, DH1 1TW
Nature of business
Construction of other civil engineering projects n.e.c.
Accounts
Overdue
Were due 31 Aug 2026
Checked with Companies House 14 Oct 2026

Bainbridge Building & Maintenance Ltd is a 12-year-old private limited company registered in Durham, company number 09191670, one of 121 civil engineering contractors in Durham. Companies House shows its accounts as overdue: they were due on 31 August 2026.

Key dates

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

Accounts due
31 Aug 2026
Overdue by 44 days
For the period to 30 Nov 2025
CT600 due (first of two)
31 Aug 2026
Date passed (HMRC does not publish filings)
Period 1 Sep 2024 to 31 Aug 2025
CT600 due (second of two)
30 Nov 2026
in 47 days
Period 1 Sep 2025 to 30 Nov 2025
Corporation tax payment
1 Sep 2026
Date passed
9 months and 1 day after the period end
Confirmation statement
15 Aug 2027
in 305 days
Last made up to 1 Aug 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 £2,682 on the year before, to £2,847.
  • Net assets rose in 3 of 9 year-on-year comparisons on record.
  • 3 employees on average during the year.
  • Balance sheets on record for 10 years, 2015 to 2024.

Net assets by year

Net assets at each year end, 2015 to 2024£031 August 2015: net assets £15K£15K201531 August 2016: net assets £7,502£7,502201631 August 2017: net assets £319£319201731 August 2018: net assets £472£472201831 August 2019: net assets £270£270201931 August 2020: net assets £113£113202031 August 2021: net assets -£7,457-£7,457202131 August 2022: net assets -£19K-£19K202231 August 2023: net assets £165£165202331 August 2024: net assets £2,847£2,8472024
Net assets at each year end, 2015 to 2024£031 August 2015: net assets £15K£15K'1531 August 2016: net assets £7,502£7,502'1631 August 2017: net assets £319£319'1731 August 2018: net assets £472£472'1831 August 2019: net assets £270£270'1931 August 2020: net assets £113£113'2031 August 2021: net assets -£7,457-£7,457'2131 August 2022: net assets -£19K-£19K'2231 August 2023: net assets £165£165'2331 August 2024: net assets £2,847£2,847'24
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Aug 2024£2,847£0£211K3
31 Aug 2023£165£7,354£168K£150K3
31 Aug 2022-£19K£11K£85K£87K3
31 Aug 2021-£7,457£41K£27K3
31 Aug 2020£113£46K£25K3
31 Aug 2019£270£42K£60K2
31 Aug 2018£472£29K£42K
31 Aug 2017£319£27K£52K
31 Aug 2016£7,502£173£45K£71K
31 Aug 2015£15K£694£38K£33K

Where Bainbridge Building & Maintenance Ltd is registered

Bainbridge Building & Maintenance Ltd's registered office on a map of the UK

The registered office is in Durham (DH1), in the County Durham local authority area, North East. Show DH1 1TW on a map.

Other trade companies in DH1

Shared registered office

35 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.

What happens if Bainbridge Building & Maintenance Ltd files late

If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Sep 2026 to 30 Sep 2026£150
1 to 3 months late1 Oct 2026 to 30 Nov 2026£375
3 to 6 months late1 Dec 2026 to 28 Feb 2027£750
More than 6 months lateFrom 1 Mar 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Dec 2026£200
3 months late28 Feb 2027another £200
6 months late30 May 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Nov 2027another 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
09191670
Status
Active
Company type
Private limited company
Incorporated
28 August 2014 (12 years ago)
Registered office
Oakmere, Belmont Business Park, Durham, DH1 1TW
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Year end
31 August (accounting reference date)
Accounts type
Unaudited abridged
Last accounts made up to
31 August 2024
Last confirmation statement
1 August 2026

Filing notes for civil engineering contractors

Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.

Similar companies in Durham

Other active civil engineering contractors registered in Durham.

All civil engineering contractors in Durham · All trades in Durham · Civil engineering across the UK

Frequently asked questions

When are Bainbridge Building & Maintenance Ltd's accounts due?

Bainbridge Building & Maintenance Ltd's accounts were due at Companies House on 31 August 2026 and the register shows them as overdue.

When is Bainbridge Building & Maintenance 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 31 August 2025, due by 31 August 2026, and one for the period to 30 November 2025, due by 30 November 2026. Corporation tax is payable 9 months and 1 day after the end of each.

Is Bainbridge Building & Maintenance Ltd still trading?

Bainbridge Building & Maintenance Ltd is listed as active on the Companies House register (checked 14 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 Bainbridge Building & Maintenance Ltd do?

Bainbridge Building & Maintenance Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).

How old is Bainbridge Building & Maintenance Ltd?

Bainbridge Building & Maintenance Ltd was incorporated on 28 August 2014, 12 years ago.

What is the penalty if Bainbridge Building & Maintenance 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 Bainbridge Building & Maintenance 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, rechecked 14 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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