- Company number
- 03495972
- Incorporated
- 21 Jan 199828 years trading
- Registered office
- 11 Prestwood Close, Harrow, Middlesex, HA3 8JY
- Nature of business
- Construction of commercial buildings; Management consultancy activities other than financial management
Borderline Contract Services Ltd is a 28-year-old private limited company registered in Harrow, company number 03495972, one of 793 building contractors in Harrow. Its next accounts are due at Companies House on 30 October 2026, and the CT600 for the period to 30 January 2026 is due at HMRC on 30 January 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 £9,647 (+16.5%) on the year before, to £68K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £83K against £15K owed within a year: 5.4 times cover.
- 2 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 31 Jan 2025 | £68K | £76K | £83K | £15K | 2 |
| 31 Jan 2024 | £58K | £63K | £74K | £16K | 2 |
| 31 Jan 2023 | £56K | £63K | £70K | £15K | 2 |
| 31 Jan 2022 | £51K | £54K | £63K | £12K | 2 |
| 31 Jan 2021 | £60K | £67K | £72K | £13K | 0 |
| 31 Jan 2020 | £61K | £70K | £76K | £15K | 2 |
| 31 Jan 2019 | £89K | £89K | £110K | £21K | |
| 31 Jan 2018 | £88K | £102K | £109K | £22K | |
| 31 Jan 2017 | £85K | £130K | £135K | £52K | |
| 31 Jan 2016 | £21K | £59K | £70K | £50K |
Where Borderline Contract Services Ltd is registered
The registered office is in Harrow (HA3), in the Harrow local authority area, London. Show HA3 8JY on a map.
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- Shine Bright With NV LtdMechanics and garages
- Direct Sparks LtdMachinery repair and installation
- Meral Decoration & Maintenance LtdPainters and decorators
- Add22 LtdCivil engineering
- Floyd Cleaners LimitedCleaning companies
- Amalia&Ioana LimitedBuilders
What happens if Borderline Contract Services 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 30 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Oct 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 30 Jan 2027 | £375 |
| 3 to 6 months late | 31 Jan 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Jan 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 30 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jan 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
- 03495972
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 January 1998 (28 years ago)
- Registered office
- 11 Prestwood Close, Harrow, Middlesex, HA3 8JY
- Nature of business
- Construction of commercial buildings (SIC 41201)
Management consultancy activities other than financial management (SIC 70229) - Year end
- 30 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 12 January 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 Harrow
Other active building contractors registered in Harrow.
- Bostan Drylining Ltd2025
- Bowman’S Construction Ltd2024
- BRB Build&Craft Ltd2026
- Bremgreen Properties Limited2000
- Brightbuild Contractors Ltd2023
- Bristol Building Masters Limited2025
- Broadgate Developments Group Ltd2012
- Broadwalk Construction Ltd2023
All building contractors in Harrow · All trades in Harrow · Builders across the UK
Frequently asked questions
When are Borderline Contract Services Ltd's accounts due?
Borderline Contract Services Ltd's next accounts are due at Companies House by 30 October 2026 (in 18 days), covering the period to 30 January 2026.
When is Borderline Contract Services Ltd's CT600 due?
The CT600 for the period to 30 January 2026 is due at HMRC by 30 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 October 2026.
Is Borderline Contract Services Ltd still trading?
Borderline Contract Services 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 Borderline Contract Services Ltd do?
Borderline Contract Services Ltd is registered under Construction of commercial buildings (SIC 41201); Management consultancy activities other than financial management (SIC 70229).
How old is Borderline Contract Services Ltd?
Borderline Contract Services Ltd was incorporated on 21 January 1998, 28 years ago.
What is the penalty if Borderline Contract Services 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 Borderline Contract Services 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.