- Companies
- Installers
- Wymondham
- Square1 Installations Ltd
Square1 Installations Ltd
- Company number
- 13385291
- Incorporated
- 10 May 20215 years trading
- Registered office
- Pilgrim Suite, Ketteringham Hall, Church Road, Ketteringham, Wymondham, Norfolk, NR18 9RS
- Nature of business
- Other construction installation
Square1 Installations Ltd is a 5-year-old private limited company registered in Wymondham, company number 13385291, one of 7 installation companies (insulation, lifts, shutters and similar) in Wymondham. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 up £2,298 (+201.2%) on the year before, to £1,156.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £95K against £102K owed within a year: 0.9 times cover.
- 5 employees on average, up from 3 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £1,156 | £4,895 | £95K | £102K | 5 |
| 31 May 2024 | -£1,142 | £9,825 | £76K | £91K | 3 |
| 31 May 2023 | £44K | £21K | £115K | £80K | 2 |
| 31 May 2022 | £121 | £19K | £44K | £48K | 2 |
Where Square1 Installations Ltd is registered
The registered office is in Wymondham (NR18), in the South Norfolk local authority area, East of England. Show NR18 9RS on a map.
Other trade companies in NR18
- MW Autocare Group LtdMechanics and garages
- Ecp Motorworks LtdMechanics and garages
- Chris Saunders Electrical LtdElectricians
- Wright Noyes LtdMechanics and garages
- As Maintenance LtdRoofers
- Drench Designs LtdPlumbers and heating engineers
- Tenergy LtdElectricians
- A. E. Smith Plumbing & Heating LtdPlumbers and heating engineers
Also registered at this address
6 other companies use the same registered office as Square1 Installations Ltd.
- Ben Larter Electrical Solutions LimitedElectricians
- CMP Renovations LimitedJoiners and carpenters
- GB Groundworks and Civils LtdCivil engineering
- GMC Plumbing & Heating (Wymondham) LtdPlumbers and heating engineers
- Hawkins Plumbing and Heating (Norfolk) LimitedPlumbers and heating engineers
- P S Anderson LimitedProperty developers
What happens if Square1 Installations Ltd 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 13385291
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 May 2021 (5 years ago)
- Registered office
- Pilgrim Suite, Ketteringham Hall, Church Road, Ketteringham, Wymondham, Norfolk, NR18 9RS
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 9 May 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 Wymondham
Other active installation companies (insulation, lifts, shutters and similar) registered in Wymondham.
- Wood Fibre Ltd2026
- Aquila Roofing and Construction Ltd2026
- Arc Line Design Ltd2022
- Dunthorne Landscapes Ltd2022
- NNT Services Ltd2024
- PR Development (Norfolk) Ltd2024
All installation companies (insulation, lifts, shutters and similar) in Wymondham · All trades in Wymondham · Installers across the UK
Frequently asked questions
When are Square1 Installations Ltd's accounts due?
Square1 Installations Ltd's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Square1 Installations Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Square1 Installations Ltd still trading?
Square1 Installations Ltd 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 Square1 Installations Ltd do?
Square1 Installations Ltd is registered under Other construction installation (SIC 43290).
How old is Square1 Installations Ltd?
Square1 Installations Ltd was incorporated on 10 May 2021, 5 years ago.
What is the penalty if Square1 Installations 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 Square1 Installations Ltd 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.