Abbots Langley, Hertfordshire
Terraced house rear extension in Abbots Langley
Rear and side return extensions for terraces, with access through the house and two neighbours. If you live in Abbots Langley and want to know what a terraced house rear extension would cost and whether it needs planning, start with the online guide price or a free site visit.
We cover Abbots Langley (WD5) as part of our Hertfordshire work. In Abbots Langley we plan the delivery route through the house and the skip licence before anything else.
Book a free site visit
Tell us about the house and we'll call to arrange a free, no-obligation visit.
How much does a terraced house rear extension cost in Abbots Langley?
In Abbots Langley, our guide for a terraced house rear extension is £2,170–£3,500 per square metre including VAT for a standard specification. East of England prices run slightly above our West Midlands baseline; clay soils near trees are the main foundation variable.
| Size | Guide price inc VAT |
|---|---|
| 3 m wide × 4.5 m deep (13.5 m²) | £29,500–£47,000 |
| 3 m wide × 6 m deep (18 m²) | £39,000–£63,000 |
We put a fixed price in writing once the design is agreed, and explain any provisional sums such as foundations.
Do you need planning permission for a terraced house rear extension in Abbots Langley?
Planning for a terraced house rear extension in Abbots Langley follows the English householder rules.
English permitted development (Class A) allows a single-storey rear extension of 3 metres on a terraced or semi-detached house and 4 metres on a detached one, measured from the original house, with a maximum height of 4 metres and eaves of no more than 3 metres within 2 metres of a boundary.
The Party Wall etc. Act 1996 applies in England: you serve notice two months before work to a shared wall, and one month before digging foundations within 3 metres (or 6 metres for deeper foundations) of a neighbour's building. Neighbours can agree in writing; if they dissent, surveyors agree an award.
Conservation areas, National Parks, National Landscapes and the Broads restrict permitted development, and listed buildings always need listed building consent. Before any drawing we look up the property's history with the council, because earlier extensions and removed rights change the answer.
What are homes in Abbots Langley like to extend?
Post-war semis and newer estates are typical of Abbots Langley, and many have room for a full-width extension. Shrinkable clay is common in the East of England, so foundations near trees and hedges are designed to NHBC-style depth guidance.
How a terraced house rear extension in Abbots Langley comes together
Survey visit
We visit free of charge, measure up, check access, drainage and neighbours' extensions, and note what you want the room to do.
Options and costs
We draw layout options and price each one, so the budget shapes the design rather than surprising you later.
Approvals
Permitted development check, prior approval or planning application, then Building Regulations drawings and structural calculations, plus party wall notices where they apply.
Fixed price and build
A written price for the agreed design, a start date and a named contact through the build, ending with the building control completion certificate.
Terraced house rear extensions near Abbots Langley
Close by, we work in North Watford, about 2.0 miles away, and West Watford, about 3.3 miles away.
- Terraced house rear extension in North Watford
- Terraced house rear extension in West Watford
- Terraced house rear extension in Hemel Hempstead
- Terraced house rear extension in Watford
- Terraced house rear extension in St Albans
Other work in Abbots Langley:
FAQ
Terraced house rear extension questions in Abbots Langley
What postcode areas do you cover around Abbots Langley?
Including WD5, and the surrounding Hertfordshire area.
Can I live at home while the extension is built?
Usually yes. Most of the work is outside until the back wall is opened near the end, and that stage is screened off.
How deep can I go on a terrace?
3 metres under permitted development in England, or up to 6 metres with prior approval outside designated land.
Who will build my extension?
Vetted building teams working under contract to us. Your contract is with S&K Property Investments and Improvement Ltd for the design and the build.
Can you match the brick or stone on my Abbots Langley house?
We source the closest match and show you samples before ordering; reclaimed materials are often the best match on older houses.
Is the site visit in Abbots Langley free?
Yes. We visit, measure up and talk through the options with no cost and no obligation.