Building services in Daventry
House extensions
- Single-storey extensions
- Double-storey extensions
- Side extensions
- Side return extensions
- Wraparound extensions
- Kitchen extensions
- Orangeries
- Glazed and contemporary extensions
- Porches
Loft conversions
- Dormer loft conversions
- Hip-to-gable loft conversions
- Mansard loft conversions
- Rooflight loft conversions
- Bungalow loft conversions
Garage, basement and barn conversions
New build homes
Renovations and structural work
Design and approvals
Guide prices in Daventry
| Project | Guide range (inc VAT) |
|---|---|
| Single-storey extensions | £1,850–£2,750 per m² of floor area |
| Dormer loft conversions | £45,500–£64,500 for a typical rear dormer with en-suite |
| Hip-to-gable loft conversions | £52,000–£74,000 for a hip-to-gable with rear dormer |
| House renovations | £850–£1,700 per m² for a medium to full renovation |
| Structural alterations and knock-throughs | £4,250–£9,000 for a typical knock-through with steel beam |
| Orangeries | £2,300–£3,250 per m² of floor area |
That range is adjusted for the East Midlands, where domestic building work typically costs around 5% below the national average.
Planning permission in Daventry
In England a single-storey rear extension is often permitted development: broadly up to 3 metres deep on a semi-detached or terraced house and 4 metres on a detached house, no higher than 4 metres, with eaves no higher than 3 metres within 2 metres of a boundary, and covering no more than half the garden. The larger home extension scheme allows up to 6 or 8 metres if you notify the council first and neighbours have a chance to comment. In conservation areas, National Parks and National Landscapes the larger home extension route, side extensions and cladding are not permitted development. Flats and houses whose rights have been removed need a planning application, and listed buildings need listed building consent.
Building regulations approval comes from the council’s building control service or a registered building control approver. The work is inspected at key stages, such as foundations, drainage and insulation, and a completion certificate is issued at the end.
About building in Daventry
The East Midlands has a mix of red-brick terraces, inter-war semis and newer estates, so rear extensions and garage conversions are common projects.
From NN11 outwards, we take on projects throughout Daventry and the surrounding parts of Northamptonshire. Daventry has a population of around 28,000.
How it works
- 01
Free visit
We look at the property, talk through what you want and measure up. There is no charge and no obligation.
- 02
Drawings and written quote
We prepare the design and give you a written, itemised quote with inclusions and exclusions.
- 03
Approvals in place
We handle planning, building control and neighbour notices before work starts.
- 04
Build and handover
Work follows the agreed programme, with inspections along the way and a completion certificate at the end.
Questions from homeowners in Daventry
Is the home visit free?
Yes. The first visit to discuss your project and measure up for a quote is free, with no obligation.
Do you work in Daventry?
Yes. We take on extensions, loft conversions, conversions, renovations and new builds across Daventry, including postcodes NN11.
How much does an extension cost in Daventry?
A single-storey extension in Daventry typically costs £1,850–£2,750 per m² of floor area, and a double-storey extension £1,550–£2,400 per m² of floor area (both floors), including VAT.
How much does a loft conversion cost in Daventry?
A rear dormer loft conversion in Daventry typically costs £45,500–£64,500 for a typical rear dormer with en-suite, including VAT.
Do I need planning permission for an extension in Daventry?
In England a single-storey rear extension is often permitted development: broadly up to 3 metres deep on a semi-detached or terraced house and 4 metres on a detached house, no higher than 4 metres, with eaves no higher than 3 metres within 2 metres of a boundary, and covering no more than half the garden. The larger home extension scheme allows up to 6 or 8 metres if you notify the council first and neighbours have a chance to comment. In conservation areas, National Parks and National Landscapes the larger home extension route, side extensions and cladding are not permitted development. Flats and houses whose rights have been removed need a planning application, and listed buildings need listed building consent.