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  4. H3G Builders Ltd

H3G Builders Ltd

ActiveMicro-entity accountsProperty developersCambridge
Company number
15062125
Incorporated
10 Aug 20233 years trading
Registered office
14 Gilpin Place, Cambridge, CB2 8BD
Nature of business
Development of building projects; Construction of commercial buildings; Construction of domestic buildings; Other building completion and finishing
Accounts
Overdue
Were due 31 Aug 2026
Checked with Companies House 13 Oct 2026

H3G Builders Ltd is a 3-year-old private limited company registered in Cambridge, company number 15062125, one of 335 property development companies in Cambridge. 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 43 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 48 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
23 Aug 2026
Overdue by 51 days
Last made up to 9 Aug 2025

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Where H3G Builders Ltd is registered

H3G Builders Ltd's registered office on a map of the UK

The registered office is in Cambridge (CB2), in the Cambridge local authority area, East of England. Show CB2 8BD on a map.

Other trade companies in CB2

What happens if H3G Builders 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
15062125
Status
Active
Company type
Private limited company
Incorporated
10 August 2023 (3 years ago)
Registered office
14 Gilpin Place, Cambridge, CB2 8BD
Nature of business
Development of building projects (SIC 41100)
Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Other building completion and finishing (SIC 43390)
Year end
31 August (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 August 2024
Last confirmation statement
9 August 2025

Filing notes for property development companies

Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.

Similar companies in Cambridge

Other active property development companies registered in Cambridge.

All property development companies in Cambridge · All trades in Cambridge · Property developers across the UK

Frequently asked questions

When are H3G Builders Ltd's accounts due?

H3G Builders Ltd's accounts were due at Companies House on 31 August 2026 and the register shows them as overdue.

When is H3G Builders 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 H3G Builders Ltd still trading?

H3G Builders Ltd is listed as active on the Companies House register (checked 13 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 H3G Builders Ltd do?

H3G Builders Ltd is registered under Development of building projects (SIC 41100); Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other building completion and finishing (SIC 43390).

How old is H3G Builders Ltd?

H3G Builders Ltd was incorporated on 10 August 2023, 3 years ago.

What is the penalty if H3G Builders 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 H3G Builders 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 13 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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