- Company number
- 03575809
- Incorporated
- 4 Jun 199828 years trading
- Registered office
- 4 Whitchurch Parade, Whitchurch Lane, Edgware, HA8 6LR
- Nature of business
- Construction of domestic buildings; Public relations and communications activities; Advertising agencies; Other education n.e.c.
Brainsells UK Limited is a 28-year-old private limited company registered in Edgware, company number 03575809, one of 358 building contractors in Edgware. 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 £1,562 (+813.5%) on the year before, to £1,754.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £7,041 against £4,840 owed within a year: 1.5 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £1,754 | £1,022 | £7,041 | £4,840 | 2 |
| 31 May 2024 | £192 | £237 | £6,661 | £5,453 | 2 |
| 31 May 2023 | £2 | £4,562 | £11K | £9,338 | 2 |
| 31 May 2022 | £254 | £3,747 | £9,403 | £4,914 | 2 |
| 31 May 2021 | £950 | £13K | £16K | £9,882 | 2 |
| 31 May 2020 | £1,234 | £8,029 | £9,339 | £8,105 | 0 |
| 31 May 2019 | £1,081 | £6,298 | £6,436 | £5,355 | |
| 31 May 2018 | £1,336 | £7,422 | £7,422 | £6,211 | |
| 31 May 2017 | -£1,214 | £378 | £3,759 | £5,221 |
Where Brainsells UK Limited is registered
The registered office is in Edgware (HA8), in the Harrow local authority area, London. Show HA8 6LR on a map.
Other trade companies in HA8
- Capital Roadside & Motors LtdMotor traders
- Shreeji Decor LtdInstallers
- Kohli Group Properties LimitedProperty developers
- Brothers Landmark LtdProperty developers
- MS Flooring & Decor LtdFloor and wall tilers
- C&I Building Solutions LtdBuilders
- Dynamic Mobile Tyre LtdMechanics and garages
- Crownline Motors LtdMotor traders
Also registered at this address
7 other companies use the same registered office as Brainsells UK Limited.
- Astrol LtdProperty developers
- Dev Construction Consultancy LtdSpecialist contractors
- Dev Construction Consultancy Services LtdSpecialist contractors
- Manta UK LimitedCivil engineering
- Pip UK Services LtdCleaning companies
- Seraph Cars GB LimitedMotor traders
- WMR Refrigeration LtdMachinery repair and installation
What happens if Brainsells UK 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 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
- 03575809
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 June 1998 (28 years ago)
- Registered office
- 4 Whitchurch Parade, Whitchurch Lane, Edgware, HA8 6LR
- Nature of business
- Construction of domestic buildings (SIC 41202)
Public relations and communications activities (SIC 70210)
Advertising agencies (SIC 73110)
Other education n.e.c. (SIC 85590) - Year end
- 31 May (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 4 June 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Edgware
Other active building contractors registered in Edgware.
- Brendan Construction Ltd2023
- Building Creation Ltd2020
- Building Developers Limited2010
- Bunyadi A to Z Property Management Ltd2026
- Byf Development Ltd2019
- C&A Concrete Ltd2024
- C&E Drywall Limited2020
- C&I Building Solutions Ltd2026
All building contractors in Edgware · All trades in Edgware · Builders across the UK
Frequently asked questions
When are Brainsells UK Limited's accounts due?
Brainsells UK Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Brainsells UK Limited'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 Brainsells UK Limited still trading?
Brainsells UK 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 Brainsells UK Limited do?
Brainsells UK Limited is registered under Construction of domestic buildings (SIC 41202); Public relations and communications activities (SIC 70210); Advertising agencies (SIC 73110); Other education n.e.c. (SIC 85590).
How old is Brainsells UK Limited?
Brainsells UK Limited was incorporated on 4 June 1998, 28 years ago.
What is the penalty if Brainsells UK 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 Brainsells UK 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.