- Companies
- Specialist contractors
- London
- Winchmore Brickwork Limited
Winchmore Brickwork Limited
- Company number
- 03631123
- Incorporated
- 14 Sep 199828 years trading
- Registered office
- 940 Green Lanes, London, N21 2AD
- Nature of business
- Other specialised construction activities n.e.c.
Winchmore Brickwork Limited is a 28-year-old private limited company registered in London, company number 03631123, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £205K (+14.1%) on the year before, to £1.7M.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £4.5M against £3.3M owed within a year: 1.4 times cover.
- 18 employees on average, up from 9 the year before.
- Balance sheets on record for 10 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £1.7M | £516K | £4.5M | £3.3M | 18 |
| 30 Sep 2023 | £1.5M | £521K | £4.1M | £3M | 9 |
| 30 Sep 2022 | £980K | £422K | £2.3M | £1.2M | 10 |
| 30 Sep 2021 | £547K | £572K | £2.9M | £2M | 9 |
| 30 Sep 2020 | £649K | £446K | £2M | £1.7M | 9 |
| 30 Sep 2019 | £607K | £465K | £1.3M | £1M | 9 |
| 30 Sep 2018 | £478K | £502K | £763K | £519K | 9 |
| 30 Sep 2017 | £406K | £692K | £933K | £590K | 10 |
| 30 Sep 2016 | £327K | £580K | £1.3M | £1.1M | |
| 30 Sep 2015 | £331K | £531K | £573K | £337K |
Where Winchmore Brickwork Limited is registered
The registered office is in London (N21), in the Enfield local authority area, London. Show N21 2AD on a map.
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- Art of Tiling LtdBuilders
- Profinix LimitedBuilders
- Bleachy LimitedCleaning companies
- PP Carpentry LtdBuilders
- 6 Bourne Hill LtdMechanics and garages
- Empire Assessments NVQS LtdSpecialist contractors
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Also registered at this address
18 other companies use the same registered office as Winchmore Brickwork Limited.
- Actus Construction LimitedInstallers
- Appleshaw LimitedProperty developers
- Arena Electrical Services LimitedElectricians
- Arena Fire and Security London LtdElectricians
- At Building (London) LtdProperty developers
- Batmatic (UK) LtdSpecialist contractors
- Blue Time LimitedProperty developers
- Brentwood RD Vehicle Repairs LtdMechanics and garages
- Haytor Flooring LimitedFloor and wall tilers
- Humphrys Maintenance Services LtdSpecialist contractors
- Marriott Finishes LtdPainters and decorators
- Mini Piling & Civils LimitedSpecialist contractors
- Paragas Cleaning Services LtdCleaning companies
- Pure Heating Water LtdPlumbers and heating engineers
- RLJ Civil Engineering LtdCivil engineering
- Skye Building Contractors LimitedFinishing trades
- Victoria RD Service Centre LtdMechanics and garages
- Winchmore Brickwork Group LtdSpecialist contractors
What happens if Winchmore Brickwork 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 03631123
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 September 1998 (28 years ago)
- Registered office
- 940 Green Lanes, London, N21 2AD
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 14 September 2026
- Charges (mortgages)
- 1 outstanding of 3 registered
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.
- Windleigh Developments Ltd2018
- Winteg Limited2024
- Winway Jobmasters Limited2014
- Wireworks Consulting Ltd2025
- Wise Buildings Limited2025
- Wiseglow UK Limited2025
- Withglow Enterprise Limited2001
- Withglow Roofing and Repairs Limited1996
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Winchmore Brickwork Limited's accounts due?
Winchmore Brickwork Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Winchmore Brickwork Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Winchmore Brickwork Limited still trading?
Winchmore Brickwork 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 Winchmore Brickwork Limited do?
Winchmore Brickwork Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Winchmore Brickwork Limited?
Winchmore Brickwork Limited was incorporated on 14 September 1998, 28 years ago.
What is the penalty if Winchmore Brickwork 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 Winchmore Brickwork 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.