- Company number
- 14583730
- Incorporated
- 10 Jan 20233 years trading
- Registered office
- 11 Hillbury Avenue, Harrow, HA3 8EP
- Nature of business
- Construction of domestic buildings
S Building Limited is a 3-year-old private limited company registered in Harrow, company number 14583730, one of 793 building contractors in Harrow. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for S Building LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £1,068 (-3.6%) on the year before, to -£31K.
- Current assets of £3,896 against £31K owed within a year: 0.1 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | -£31K | £3,896 | £31K | 2 | |
| 31 Jan 2025 | -£30K | £307 | £29K | 2 | |
| 31 Jan 2024 | -£34K | £2,119 | £36K | 0 |
Who runs and owns S Building Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** S*** | Director | Jan 2023 |
Person with significant control
Where S Building Limited is registered
The registered office is in Harrow (HA3), in the Harrow local authority area, London. Show HA3 8EP on a map.
Other trade companies in HA3
- M&M Team Solutions LimitedCleaning companies
- Asr234 LimitedCivil engineering
- 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 S Building 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 14583730
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 January 2023 (3 years ago)
- Registered office
- 11 Hillbury Avenue, Harrow, HA3 8EP
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 9 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.
- S&C Builders and Cleaners Ltd2024
- Sachman Global Ltd2018
- Sage Builders Ltd2026
- Sahjik Builder Ltd2026
- Sai Building Consultants Ltd2026
- Samuel Nistor Ltd2020
- Sap06 Ltd2026
- Sargon Construct Ltd2020
All building contractors in Harrow · All trades in Harrow · Builders across the UK
Frequently asked questions
When are S Building Limited's accounts due?
S Building Limited's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is S Building Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is S Building Limited still trading?
S Building 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 S Building Limited do?
S Building Limited is registered under Construction of domestic buildings (SIC 41202).
How old is S Building Limited?
S Building Limited was incorporated on 10 January 2023, 3 years ago.
Who runs S Building Limited?
S Building Limited has 1 active director, the longest-serving appointed in Jan 2023. Their names and service addresses are on the Companies House register.
Who owns S Building Limited?
One person or company has significant control of S Building Limited: an individual (owns 75% or more of the shares).
What is the penalty if S Building 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 S Building 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.