- Company number
- 07736651
- Incorporated
- 11 Aug 201115 years trading
- Registered office
- 3 Manor RD, Knaresborough, Harrogate, N Yorks, HG5 0BN
- Nature of business
- Construction of domestic buildings
JSK Builders Ltd is a 15-year-old private limited company registered in Harrogate, company number 07736651, one of 91 building contractors in Harrogate. Companies House shows its accounts as overdue: they were due on 31 May 2026.
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 £37K (-56%) on the year before, to £29K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £3,635 against £4,762 owed within a year: 0.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2024 | £29K | £3,635 | £4,762 | 0 | |
| 31 Aug 2023 | £66K | £623 | £25K | 0 | |
| 31 Aug 2022 | £60K | £4,790 | £25K | 0 | |
| 31 Aug 2021 | £60K | £3,060 | £25K | 0 | |
| 31 Aug 2020 | £25K | £79 | £25K | 0 | |
| 31 Aug 2019 | -£15K | £16 | £15K | 0 | |
| 31 Aug 2018 | £15K | £1,883 | £8,109 | ||
| 31 Aug 2017 | -£13K | £579 | £579 | £14K | |
| 31 Aug 2016 | -£14K | £0 | £0 | £14K | |
| 31 Aug 2015 | -£14K | £1,152 | £1,152 | £15K |
Where JSK Builders Ltd is registered
The registered office is in Harrogate (HG5), in the North Yorkshire local authority area, Yorkshire and The Humber. Show HG5 0BN on a map.
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What happens if JSK Builders Ltd files late
If the accounts reach Companies House today, the late filing penalty is £750 (£1,500 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2026 to 30 Jun 2026 | £150 |
| 1 to 3 months late | 1 Jul 2026 to 31 Aug 2026 | £375 |
| 3 to 6 months late | 1 Sep 2026 to 30 Nov 2026 | £750 |
| More than 6 months late | From 1 Dec 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2026 | £200 |
| 3 months late | 30 Nov 2026 | another £200 |
| 6 months late | 28 Feb 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 2027 | 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
- 07736651
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 August 2011 (15 years ago)
- Registered office
- 3 Manor RD, Knaresborough, Harrogate, N Yorks, HG5 0BN
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2024
- Last confirmation statement
- 11 August 2025
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 Harrogate
Other active building contractors registered in Harrogate.
- JWK Developments (SPV 1) Ltd2021
- JWK Developments (SPV 2) Ltd2022
- JWK Developments (SPV3) Ltd2024
- JWK Developments Ltd2019
- Kell Developments Ltd2018
- L W Ashby Limited2002
- Landlord Development & Finance Services Limited2012
- Lapis Builders Harrogate Limited2023
All building contractors in Harrogate · All trades in Harrogate · Builders across the UK
Frequently asked questions
When are JSK Builders Ltd's accounts due?
JSK Builders Ltd's accounts were due at Companies House on 31 May 2026 and the register shows them as overdue.
When is JSK Builders Ltd's CT600 due?
The CT600 for the period to 31 August 2025 is due at HMRC by 31 August 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2026.
Is JSK Builders Ltd still trading?
JSK Builders Ltd is listed as active on the Companies House register (checked 12 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 JSK Builders Ltd do?
JSK Builders Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is JSK Builders Ltd?
JSK Builders Ltd was incorporated on 11 August 2011, 15 years ago.
What is the penalty if JSK Builders 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 JSK Builders Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.