- Companies
- Installers
- Kidlington
- SDH Builders Ltd
SDH Builders Ltd
- Company number
- 08233357
- Incorporated
- 28 Sep 201214 years trading
- Registered office
- 107 Woodstock Road, Yarnton, Kidlington, OX5 1PT
- Nature of business
- Other construction installation; Plastering; Joinery installation; Other building completion and finishing
SDH Builders Ltd is a 14-year-old private limited company registered in Kidlington, company number 08233357, one of 7 installation companies (insulation, lifts, shutters and similar) in Kidlington. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £11K (-43.9%) on the year before, to £14K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £17K against £13K owed within a year: 1.3 times cover.
- 5 employees on average, up from 4 the year before.
- 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £14K | £16K | £17K | £13K | 5 |
| 30 Sep 2024 | £25K | £23K | £24K | £10K | 4 |
| 30 Sep 2023 | £29K | £35K | £36K | £20K | 5 |
| 30 Sep 2022 | £20K | £19K | £19K | -4 | |
| 30 Sep 2021 | £13K | £19K | £27K | -3 | |
| 30 Sep 2020 | £189 | £16K | £38K | -3 | |
| 30 Sep 2019 | £13K | £8,558 | £31K | -2 | |
| 30 Sep 2018 | £6,762 | £16K | £18K | £24K | 2 |
| 30 Sep 2017 | £551 | £7,126 | £17K | ||
| 30 Sep 2016 | £3,481 | £9,020 | £21K |
Where SDH Builders Ltd is registered
The registered office is in Kidlington (OX5), in the Cherwell local authority area, South East. Show OX5 1PT on a map.
Other trade companies in OX5
- Lally Fenestration LtdJoiners and carpenters
- Langford & Co Construction LtdProperty developers
- The Oxford Kitchen Fitter LtdJoiners and carpenters
- Michelin Cleaning Services LtdCleaning companies
- CPH Electrical Oxford LtdElectricians
- Oxford Brick & Stone LtdBuilders
- CPH Property Services Oxford LtdBuilders
- Cam Muldur Contracting LtdBuilders
What happens if SDH Builders 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 08233357
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 September 2012 (14 years ago)
- Registered office
- 107 Woodstock Road, Yarnton, Kidlington, OX5 1PT
- Nature of business
- Other construction installation (SIC 43290)
Plastering (SIC 43310)
Joinery installation (SIC 43320)
Other building completion and finishing (SIC 43390) - Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 28 September 2025
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Kidlington
Other active installation companies (insulation, lifts, shutters and similar) registered in Kidlington.
- Abingdon Bathrooms and Kitchens Limited1999
- Alidec Limited1999
- CDP Carpentry and Construction Ltd2023
- CR Fabrication Ltd2022
- DFG Design Ltd2021
- Prestige Renovations & Maintenance Ltd2024
All installation companies (insulation, lifts, shutters and similar) in Kidlington · All trades in Kidlington · Installers across the UK
Frequently asked questions
When are SDH Builders Ltd's accounts due?
SDH Builders Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is SDH Builders Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is SDH Builders Ltd still trading?
SDH 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 SDH Builders Ltd do?
SDH Builders Ltd is registered under Other construction installation (SIC 43290); Plastering (SIC 43310); Joinery installation (SIC 43320); Other building completion and finishing (SIC 43390).
How old is SDH Builders Ltd?
SDH Builders Ltd was incorporated on 28 September 2012, 14 years ago.
What is the penalty if SDH 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 SDH 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.