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  3. Hycon Construction Limited

Hycon Construction Limited

ActiveMicro-entity accountsSpecialist contractors
Company number
NI013659
Incorporated
12 Jun 197947 years trading
Registered office
81 Springfield Road, Belfast, BT12 7AE
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
230 days
31 May 2027
Net assets
£943K▲
+4.1% on the year before
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

Hycon Construction Limited is a 47-year-old private limited company, company number NI013659, one of the UK's specialist construction companies. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.

Key dates

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

Accounts due
31 May 2027
in 230 days
For the period to 31 Aug 2026
CT600 due
31 Aug 2027
in 322 days
Period 1 Sep 2025 to 31 Aug 2026
Corporation tax payment
1 Jun 2027
in 231 days
9 months and 1 day after the period end
Confirmation statement
14 Jan 2027
in 93 days
Last made up to 31 Dec 2025

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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 £37K (+4.1%) on the year before, to £943K.
  • Net assets rose in 9 of 9 year-on-year comparisons on record.
  • Current assets of £1M against £2M owed within a year: 0.5 times cover.
  • No employees reported for the latest year (directors are often not counted as employees).
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£031 March 2016: net assets -£568K-£568K201631 August 2017: net assets £623K£623K201731 August 2018: net assets £690K£690K201831 August 2019: net assets £728K£728K201931 August 2020: net assets £755K£755K202031 August 2021: net assets £781K£781K202131 August 2022: net assets £821K£821K202231 August 2023: net assets £864K£864K202331 August 2024: net assets £905K£905K202431 August 2025: net assets £943K£943K2025
Net assets at each year end, 2016 to 2025£031 March 2016: net assets -£568K-£568K'1631 August 2017: net assets £623K£623K'1731 August 2018: net assets £690K£690K'1831 August 2019: net assets £728K£728K'1931 August 2020: net assets £755K£755K'2031 August 2021: net assets £781K£781K'2131 August 2022: net assets £821K£821K'2231 August 2023: net assets £864K£864K'2331 August 2024: net assets £905K£905K'2431 August 2025: net assets £943K£943K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Aug 2025£943K£1M£2M0
31 Aug 2024£905K£996K£1.9M2
31 Aug 2023£864K£978K£1.8M2
31 Aug 2022£821K£946K£1.8M2
31 Aug 2021£781K£923K£1.7M2
31 Aug 2020£755K£903K£1.7M1
31 Aug 2019£728K£895K£1.6M1
31 Aug 2018£690K£872K£1.6M
31 Aug 2017£623K£874K£1.5M
31 Mar 2016-£568K£14K£842K£1.4M

Where Hycon Construction Limited is registered

Hycon Construction Limited's registered office on a map of the UK

The registered office is in the BT12 postcode district, in the Belfast local authority area, Northern Ireland. Show BT12 7AE on a map.

Other trade companies in BT12

Also registered at this address

1 other company uses the same registered office as Hycon Construction Limited.

What happens if Hycon Construction 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 31 May 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jun 2027 to 30 Jun 2027£150
1 to 3 months late1 Jul 2027 to 31 Aug 2027£375
3 to 6 months late1 Sep 2027 to 30 Nov 2027£750
More than 6 months lateFrom 1 Dec 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Sep 2027£200
3 months late30 Nov 2027another £200
6 months late29 Feb 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Aug 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
NI013659
Status
Active
Company type
Private limited company
Incorporated
12 June 1979 (47 years ago)
Registered office
81 Springfield Road, Belfast, BT12 7AE
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 August (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 August 2025
Last confirmation statement
31 December 2025
Charges (mortgages)
2 outstanding of 2 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

Other active specialist construction companies.

Specialist contractors across the UK

Frequently asked questions

When are Hycon Construction Limited's accounts due?

Hycon Construction Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.

When is Hycon Construction Limited's CT600 due?

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

Is Hycon Construction Limited still trading?

Hycon Construction 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 Hycon Construction Limited do?

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

How old is Hycon Construction Limited?

Hycon Construction Limited was incorporated on 12 June 1979, 47 years ago.

What is the penalty if Hycon Construction 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 Hycon Construction 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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