- Companies
- Specialist contractors
- London
- Quadrate Joinery Ltd
Quadrate Joinery Ltd
- Company number
- 12830324
- Incorporated
- 21 Aug 20206 years trading
- Registered office
- Acorn House, 33 Churchfield Road, London, W3 6AY
- Nature of business
- Other specialised construction activities n.e.c.
Quadrate Joinery Ltd is a 6-year-old private limited company registered in London, company number 12830324, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £1,744 (-15.6%) on the year before, to £9,453.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £17K against £7,483 owed within a year: 2.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £9,453 | £17K | £7,483 | 0 | |
| 31 Aug 2024 | £11K | £17K | £5,439 | 0 | |
| 31 Aug 2023 | £11K | £17K | £5,984 | 0 | |
| 31 Aug 2022 | £27K | £164K | £138K | 0 | |
| 31 Aug 2021 | £5,601 | £65K | £60K | 0 |
Where Quadrate Joinery Ltd is registered
The registered office is in London (W3), in the Ealing local authority area, London. Show W3 6AY on a map.
Other trade companies in W3
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- Delort Deco LtdBuilders
- Amannconstructions LtdBuilders
- Urbanhomeimprovments LtdRoofers
- MB Specialist West London LtdMotor traders
- Maison Aire Libre LtdBuilders
- Fofo Metro LtdMotor traders
Shared registered office
36 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Quadrate Joinery 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 31 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 12830324
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 August 2020 (6 years ago)
- Registered office
- Acorn House, 33 Churchfield Road, London, W3 6AY
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 21 August 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- Qualitas Build Limited2019
- Qualitube Limited2009
- Quantcap Consulting Ltd2020
- Quarshie Drylining Ltd2018
- Quart Construction International Ltd2019
- Quate Construction Ltd2025
- Quate Refurbs Ltd2026
- Qubi Acoustics Ltd2023
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Quadrate Joinery Ltd's accounts due?
Quadrate Joinery Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Quadrate Joinery Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Quadrate Joinery Ltd still trading?
Quadrate Joinery 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 Quadrate Joinery Ltd do?
Quadrate Joinery Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Quadrate Joinery Ltd?
Quadrate Joinery Ltd was incorporated on 21 August 2020, 6 years ago.
What is the penalty if Quadrate Joinery 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 Quadrate Joinery 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.