- Companies
- Installers
- London
- Unitedbuild Group Limited
Unitedbuild Group Limited
- Company number
- 14500391
- Incorporated
- 22 Nov 20223 years trading
- Registered office
- Flat 37 Prospect House, Donegal Street, London, N1 9QD
- Nature of business
- Other construction installation; Other building completion and finishing; Engineering related scientific and technical consulting activities
Unitedbuild Group Limited is a 3-year-old private limited company registered in London, company number 14500391, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 30 November 2026, and its first CT600 is due at HMRC on 30 November 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 down £23K on the year before, to -£22K.
- Current assets of £67K against £89K owed within a year: 0.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2023 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | -£22K | £56K | £67K | £89K | 1 |
| 30 Nov 2023 | £1,685 | £6,316 | £4,531 | 1 |
Where Unitedbuild Group Limited is registered
The registered office is in London (N1), in the Islington local authority area, London. Show N1 9QD on a map.
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- Kenneth Brady LtdElectricians
- UK Import Export LtdBuilders
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What happens if Unitedbuild Group 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 House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2028 | another 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
- 14500391
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 November 2022 (3 years ago)
- Registered office
- Flat 37 Prospect House, Donegal Street, London, N1 9QD
- Nature of business
- Other construction installation (SIC 43290)
Other building completion and finishing (SIC 43390)
Engineering related scientific and technical consulting activities (SIC 71122) - Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 10 November 2025
- Previous names
- Clephane Consultancy Limited (until 2 Aug 2024)
Clephane Building Contractors Limited (until 15 Dec 2022)
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
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All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Unitedbuild Group Limited's accounts due?
Unitedbuild Group 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 Unitedbuild Group Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 November 2025, due by 30 November 2026, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Unitedbuild Group Limited still trading?
Unitedbuild Group 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 Unitedbuild Group Limited do?
Unitedbuild Group Limited is registered under Other construction installation (SIC 43290); Other building completion and finishing (SIC 43390); Engineering related scientific and technical consulting activities (SIC 71122).
How old is Unitedbuild Group Limited?
Unitedbuild Group Limited was incorporated on 22 November 2022, 3 years ago.
What is the penalty if Unitedbuild Group 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 Unitedbuild Group Limited on Companies House for filed documents, officers and the full history.
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.