- Companies
- Installers
- Market Rasen
- Pentagon Construction & Interiors Limited
Pentagon Construction & Interiors Limited
- Company number
- 11776321
- Incorporated
- 18 Jan 20197 years trading
- Registered office
- CWG House, Gallamore Lane, Market Rasen, Lincolnshire, LN8 3HA
- Nature of business
- Other construction installation
Pentagon Construction & Interiors Limited is a 7-year-old private limited company registered in Market Rasen, company number 11776321, one of 11 installation companies (insulation, lifts, shutters and similar) in Market Rasen. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
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 £2,840 (-4.1%) on the year before, to £67K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £72K against £7,401 owed within a year: 9.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £67K | £72K | £7,401 | 1 | |
| 31 Jan 2024 | £69K | £71K | £74K | £7,441 | 1 |
| 31 Jan 2023 | £55K | £59K | £6,823 | 1 | |
| 31 Jan 2022 | £72K | £75K | £6,579 | 1 | |
| 31 Jan 2021 | £68K | £89K | £24K | 1 | |
| 31 Jan 2020 | £78K | £153K | £78K | 1 |
Where Pentagon Construction & Interiors Limited is registered
The registered office is in Market Rasen (LN8), in the West Lindsey local authority area, East Midlands. Show LN8 3HA on a map.
Other trade companies in LN8
- MJM Civils LimitedCivil engineering
- Engineer Direct (Lincolnshire) LtdElectricians
- Manic Vehicle Sales LtdMotor traders
- JCS Plumbing & Heating (Lincs) LtdPlumbers and heating engineers
- Buzzard Roofing LimitedRoofers
- Ojs Civil Engineering LtdCivil engineering
- Rapid Fix Tyres LtdMechanics and garages
- FH Paint LimitedPainters and decorators
Also registered at this address
3 other companies use the same registered office as Pentagon Construction & Interiors Limited.
- CV Solutions LimitedFacilities management
- Magik Kandle LimitedMechanics and garages
- Tag Insulation LimitedSpecialist contractors
What happens if Pentagon Construction & Interiors 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 11776321
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 January 2019 (7 years ago)
- Registered office
- CWG House, Gallamore Lane, Market Rasen, Lincolnshire, LN8 3HA
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 5 April 2026
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.
Similar companies in Market Rasen
Other active installation companies (insulation, lifts, shutters and similar) registered in Market Rasen.
- Property Services Lincs Ltd2020
- Stuarts Construction Management Ltd2015
- Unit Engineering & Construction Limited2025
- Ar Safety Solutions Limited2026
- Elite Panelling Systems Ltd2020
- Jones Cladding Solutions Limited2025
- M&M Grantham Services Ltd2016
- Neil Barnard Installations Limited2022
All installation companies (insulation, lifts, shutters and similar) in Market Rasen · All trades in Market Rasen · Installers across the UK
Frequently asked questions
When are Pentagon Construction & Interiors Limited's accounts due?
Pentagon Construction & Interiors Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Pentagon Construction & Interiors Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Pentagon Construction & Interiors Limited still trading?
Pentagon Construction & Interiors 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 Pentagon Construction & Interiors Limited do?
Pentagon Construction & Interiors Limited is registered under Other construction installation (SIC 43290).
How old is Pentagon Construction & Interiors Limited?
Pentagon Construction & Interiors Limited was incorporated on 18 January 2019, 7 years ago.
What is the penalty if Pentagon Construction & Interiors 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 Pentagon Construction & Interiors 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.