- Companies
- Finishing trades
- Darlington
- Iq Building Services Ltd
Iq Building Services Ltd
- Company number
- 10139496
- Incorporated
- 21 Apr 201610 years trading
- Registered office
- 74 West Crescent, Darlington, Durham, DL3 7PR
- Nature of business
- Other building completion and finishing
Iq Building Services Ltd is a 10-year-old private limited company registered in Darlington, company number 10139496, one of 41 building finishing companies in Darlington. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 down £109K (-203.5%) on the year before, to -£56K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £11K against £57K owed within a year: 0.2 times cover.
- 2 employees on average, up from 0 the year before.
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | -£56K | £679 | £11K | £57K | 2 |
| 31 Dec 2024 | £54K | £23K | £0 | 0 | |
| 31 Dec 2023 | £55K | £46K | £2,454 | 0 | |
| 31 Dec 2022 | £47K | £61K | £1,902 | 0 | |
| 31 Dec 2021 | £39K | £80K | £2,680 | 0 | |
| 31 Dec 2020 | £37K | £81K | £2,887 | 0 | |
| 31 Dec 2019 | £31K | £38K | £20K | 0 | |
| 31 Dec 2018 | £115K | £520K | £0 | ||
| 30 Apr 2018 | £29K | £453K | £11K | ||
| 30 Apr 2017 | £10 | £73K | £86K |
Where Iq Building Services Ltd is registered
The registered office is in Darlington (DL3), in the Darlington local authority area, North East. Show DL3 7PR on a map.
Other trade companies in DL3
- Shine With Helen LtdCleaning companies
- RJB Consultants LtdInstallers
- Garry's Car Valeting LtdCleaning companies
- Go Elite Cleaning Services LtdCleaning companies
- BGP Property LtdProperty developers
- Frontier Energy Services LtdPlumbers and heating engineers
- Andrew Morgan Joinery LtdJoiners and carpenters
- Aburns Engineering LtdBuilders
What happens if Iq Building 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 10139496
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 April 2016 (10 years ago)
- Registered office
- 74 West Crescent, Darlington, Durham, DL3 7PR
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 20 April 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Darlington
Other active building finishing companies registered in Darlington.
- Matthew J Brown Limited2020
- MDS Joinery & Building Ltd2014
- North East Property Projects Limited2009
- Nu-Interiors Ltd2013
- Oakdale Building and Construction Ltd2026
- Olympia Property Solutions Limited2024
- PHP Installations Limited2010
- Proassemble Ltd2025
All building finishing companies in Darlington · All trades in Darlington · Finishing trades across the UK
Frequently asked questions
When are Iq Building Services Ltd's accounts due?
Iq Building Services Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Iq Building Services Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Iq Building Services Ltd still trading?
Iq Building 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 Iq Building Services Ltd do?
Iq Building Services Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Iq Building Services Ltd?
Iq Building Services Ltd was incorporated on 21 April 2016, 10 years ago.
What is the penalty if Iq Building 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 Iq Building 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.