- Company number
- 11003665
- Incorporated
- 9 Oct 20179 years trading
- Registered office
- 52 Octavia Close, Mitcham, CR4 4BZ
- Nature of business
- Construction of commercial buildings
Isd Building Ltd is a 9-year-old private limited company registered in Mitcham, company number 11003665, one of 205 building contractors in Mitcham. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £10K (+7%) on the year before, to £158K.
- Net assets rose in 7 of 7 year-on-year comparisons on record.
- Current assets of £160K against £2,759 owed within a year: more than 10 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £158K | £160K | £2,759 | 2 | |
| 31 Oct 2024 | £147K | £151K | £3,803 | 2 | |
| 31 Oct 2023 | £142K | £146K | £3,790 | 1 | |
| 31 Oct 2022 | £127K | £147K | £20K | 1 | |
| 31 Oct 2021 | £97K | £116K | £18K | 1 | |
| 31 Oct 2020 | £73K | £85K | £12K | 1 | |
| 31 Oct 2019 | £47K | £53K | £5,739 | ||
| 31 Oct 2018 | £25K | £31K | £6,267 |
Who runs and owns Isd Building Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| I*** D*** | Director | Oct 2017 |
Person with significant control
Where Isd Building Ltd is registered
The registered office is in Mitcham (CR4), in the Merton local authority area, London. Show CR4 4BZ on a map.
Other trade companies in CR4
- Mendevo LimitedFloor and wall tilers
- Az Auto Body Repair LtdMechanics and garages
- Welcome Maintenance LimitedPainters and decorators
- Fixmot LtdMechanics and garages
- MPB Property Care LtdFinishing trades
- Aoo Building Services LtdBuilders
- LDN Plumbing Heating and Cooling LimitedPlumbers and heating engineers
- Dgha Construction LtdBuilders
Also registered at this address
1 other company uses the same registered office as Isd Building Ltd.
- Clean Me Up LtdCleaning companies
What happens if Isd Building 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 11003665
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 October 2017 (9 years ago)
- Registered office
- 52 Octavia Close, Mitcham, CR4 4BZ
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 8 October 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 Mitcham
Other active building contractors registered in Mitcham.
- Janb Ltd2025
- Janba Constructions Ltd2024
- Jbmadeconstruction Ltd2024
- JH1 Maintenance Ltd2025
- K&Kanev Ltd2020
- Kaha Interiors Limited2026
- Kal Construct Ltd2025
- Kannan Builders Ltd2025
All building contractors in Mitcham · All trades in Mitcham · Builders across the UK
Frequently asked questions
When are Isd Building Ltd's accounts due?
Isd Building Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Isd Building Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Isd Building Ltd still trading?
Isd Building 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 Isd Building Ltd do?
Isd Building Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is Isd Building Ltd?
Isd Building Ltd was incorporated on 9 October 2017, 9 years ago.
Who runs Isd Building Ltd?
Isd Building Ltd has 1 active director, the longest-serving appointed in Oct 2017. Their names and service addresses are on the Companies House register.
Who owns Isd Building Ltd?
One person or company has significant control of Isd Building Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Isd Building 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 Isd Building 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.