- Companies
- Installers
- Liverpool
- A1 Construction (NW) Limited
A1 Construction (NW) Limited
- Company number
- 09461043
- Incorporated
- 26 Feb 201511 years trading
- Registered office
- Unit 130 Woodward Road, Knowsley Industrial Park, Liverpool, L33 7UY
- Nature of business
- Other construction installation
A1 Construction (NW) Limited is a 11-year-old private limited company registered in Liverpool, company number 09461043, one of 251 installation companies (insulation, lifts, shutters and similar) in Liverpool. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £2,461 on the year before, to -£2,346.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £44K against £45K owed within a year: 1.0 times cover.
- 2 employees on average, up from -2 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | -£2,346 | £44K | £45K | 2 | |
| 28 Feb 2024 | £115 | £8,441 | £4,270 | -2 | |
| 28 Feb 2023 | -£2,365 | £11K | £6,392 | -2 | |
| 28 Feb 2022 | -£11K | £3,761 | £5,114 | -2 | |
| 28 Feb 2021 | -£1,234 | £17K | £19K | -2 | |
| 28 Feb 2020 | £10K | £13K | £3,613 | -2 | |
| 28 Feb 2019 | £10K | £11K | £3,447 | -2 | |
| 28 Feb 2018 | £688 | £4,567 | £5,416 | -2 | |
| 28 Feb 2017 | £7,948 | £31K | £26K | 1 | |
| 28 Feb 2016 | £4,312 | £8,105 | £3,793 |
Where A1 Construction (NW) Limited is registered
The registered office is in Liverpool (L33), in the Knowsley local authority area, North West. Show L33 7UY on a map.
Other trade companies in L33
- Jenson Joinery and Property Maintenance LimitedProperty developers
- Knowsley Auto Centre LtdMechanics and garages
- Northwest Timing Chains LtdMechanics and garages
- Kirkby Trade Centre LimitedMotor traders
- Rail Core Infrastructure LtdCivil engineering
- Reeza Group LimitedProperty developers
- Bromer Scaffolding LtdScaffolders
- Phoenix Thermal LtdSpecialist contractors
What happens if A1 Construction (NW) 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
- 09461043
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 February 2015 (11 years ago)
- Registered office
- Unit 130 Woodward Road, Knowsley Industrial Park, Liverpool, L33 7UY
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 13 October 2025
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 Liverpool
Other active installation companies (insulation, lifts, shutters and similar) registered in Liverpool.
- Abacus Property Maintenance (Liverpool) Ltd2006
- Abbey Builders Limited2021
- Abc Multi Services Ltd2026
- Acero Designs Limited2023
- Act Formwork Ltd2025
- Ade Fire Secure Ltd2026
- Advent Plastering & Building Ltd2007
- Aerial SW Ltd2025
All installation companies (insulation, lifts, shutters and similar) in Liverpool · All trades in Liverpool · Installers across the UK
Frequently asked questions
When are A1 Construction (NW) Limited's accounts due?
A1 Construction (NW) 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 A1 Construction (NW) Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is A1 Construction (NW) Limited still trading?
A1 Construction (NW) 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 A1 Construction (NW) Limited do?
A1 Construction (NW) Limited is registered under Other construction installation (SIC 43290).
How old is A1 Construction (NW) Limited?
A1 Construction (NW) Limited was incorporated on 26 February 2015, 11 years ago.
What is the penalty if A1 Construction (NW) 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 A1 Construction (NW) 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.