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  4. Denman Instrumentation Limited

Denman Instrumentation Limited

ActiveTotal exemption (full) accountsSpecialist contractorsHessle
Company number
03089964
Incorporated
10 Aug 199531 years trading
Registered office
247B Boothferry Road, Hessle, East Yorkshire, HU13 0NG
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
48 days
30 Nov 2026
Net assets
£396K▲
+85.2% on the year before
Cash at bank
£76K▼
At 28 Feb 2025
Employees
3
Average during the year
From the Companies House register, 1 Oct 2026

Denman Instrumentation Limited is a 31-year-old private limited company registered in Hessle, company number 03089964, one of 11 specialist construction companies in Hessle. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.

Key dates

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

Accounts due
30 Nov 2026
in 48 days
For the period to 28 Feb 2026
CT600 due
28 Feb 2027
in 138 days
Period 1 Mar 2025 to 28 Feb 2026
Corporation tax payment
1 Dec 2026
in 49 days
9 months and 1 day after the period end
Confirmation statement
10 Aug 2027
in 301 days
Last made up to 27 Jul 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 £182K (+85.2%) on the year before, to £396K.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • Current assets of £1.1M against £664K owed within a year: 1.6 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£200K29 February 2016: net assets £83K£83K201628 February 2017: net assets £55K£55K201728 February 2018: net assets £11K£11K201828 February 2019: net assets £78K£78K201929 February 2020: net assets £128K£128K202028 February 2021: net assets £62K£62K202128 February 2022: net assets £15K£15K202228 February 2023: net assets £80K£80K202329 February 2024: net assets £214K£214K202428 February 2025: net assets £396K£396K2025
Net assets at each year end, 2016 to 2025£0£200K29 February 2016: net assets £83K£83K'1628 February 2017: net assets £55K£55K'1728 February 2018: net assets £11K£11K'1828 February 2019: net assets £78K£78K'1929 February 2020: net assets £128K£128K'2028 February 2021: net assets £62K£62K'2128 February 2022: net assets £15K£15K'2228 February 2023: net assets £80K£80K'2329 February 2024: net assets £214K£214K'2428 February 2025: net assets £396K£396K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
28 Feb 2025£396K£76K£1.1M£664K3
29 Feb 2024£214K£159K£1M£775K3
28 Feb 2023£80K£24K£556K£387K3
28 Feb 2022£15K£9,451£370K£213K4
28 Feb 2021£62K£463£338K£228K4
29 Feb 2020£128K£7,026£420K£294K4
28 Feb 2019£78K£2,737£225K£150K4
28 Feb 2018£11K£2,032£344K£338K4
28 Feb 2017£55K£7,706£192K£163K4
29 Feb 2016£83K£70£209K£171K5

Where Denman Instrumentation Limited is registered

Denman Instrumentation Limited's registered office on a map of the UK

The registered office is in Hessle (HU13), in the East Riding of Yorkshire local authority area, Yorkshire and The Humber. Show HU13 0NG on a map.

Other trade companies in HU13

What happens if Denman Instrumentation 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 30 November 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Dec 2026 to 31 Dec 2026£150
1 to 3 months late1 Jan 2027 to 28 Feb 2027£375
3 to 6 months late1 Mar 2027 to 31 May 2027£750
More than 6 months lateFrom 1 Jun 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Mar 2027£200
3 months late28 May 2027another £200
6 months late28 Aug 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late28 Feb 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
03089964
Status
Active
Company type
Private limited company
Incorporated
10 August 1995 (31 years ago)
Registered office
247B Boothferry Road, Hessle, East Yorkshire, HU13 0NG
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
28 February (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
28 February 2025
Last confirmation statement
27 July 2026
Charges (mortgages)
0 outstanding of 4 registered

Filing notes for specialist construction companies

Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.

Similar companies in Hessle

Other active specialist construction companies registered in Hessle.

All specialist construction companies in Hessle · All trades in Hessle · Specialist contractors across the UK

Frequently asked questions

When are Denman Instrumentation Limited's accounts due?

Denman Instrumentation Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.

When is Denman Instrumentation Limited's CT600 due?

The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.

Is Denman Instrumentation Limited still trading?

Denman Instrumentation 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 Denman Instrumentation Limited do?

Denman Instrumentation Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is Denman Instrumentation Limited?

Denman Instrumentation Limited was incorporated on 10 August 1995, 31 years ago.

What is the penalty if Denman Instrumentation 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 Denman Instrumentation 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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