Extension plans · Ferndown, Dorset
House Extension Plansin Ferndown
Extension design pack
Fixed price. 2-3 layout options. 48-hour delivery.
Based in Poole since 2017 · Covering Ferndown and the wider Dorset area
Extension types
Whatever your extension, we design it.
Single-storey extension
Rear or side extensions to add a kitchen, dining room, or living space. The most popular option.
Two-storey extension
Double the space with bedrooms above and living space below. Requires planning permission in most cases.
Internal reconfiguration
Move walls, open up rooms, and redesign your existing layout without extending the building footprint.
Cost estimator
Rates for Ferndown
6m × 4m = 24m²
Estimated cost in Ferndown
Excl. VAT (£9821 – £14168)
Local insight: Ferndown's generous plot sizes and good access make it one of the most straightforward (and cost-effective) areas to extend in Dorset. Bungalow conversions are particularly popular here.
Want a professional layout?
Upload your floor plan — 2–3 options in 48hrs
First room £29.99 · Additional rooms £19.99
From £29.99 →How it works
Three steps to your extension plan.
Share your space
Paste a Rightmove link or upload photos with rough measurements. Takes 60 seconds.
Receive your options
We draw 2-3 professional floor plan options and share them through your online portal within 48 hours.
Decide with confidence
Love it? We handle scanning, planning applications, and builder coordination. No obligation.
House Extensions in Ferndown: Practical Design for Modern Estates
Ferndown is a modern commuter town north of Bournemouth, developed primarily from the 1960s onwards. The housing stock is dominated by detached and semi-detached family homes on generous suburban plots, along with a significant number of bungalows — both original builds and dormer conversions. Ferndown properties are generally well suited to extensions, with fewer planning constraints than the historic towns of Dorset.
Detached Family Homes in Ferndown
Ferndown's residential streets — Ringwood Road, Victoria Road, and the estates off Wimborne Road — feature 1960s-1980s detached homes on wide plots. These properties are ideal for single-storey rear extensions that create large open-plan kitchen-diners, or two-storey extensions that add bedrooms above. The regular plot shapes and standard construction methods make extensions straightforward and cost-effective. We design layouts that maximise the available projection within Permitted Development limits.
Bungalows and Dormer Conversions
Ferndown has one of the highest concentrations of bungalows in Dorset. Many homeowners are extending outward at ground level to add living space, or converting the loft with a rear dormer to create bedrooms above. We design both — ground-floor rear extensions that open the bungalow layout into the garden, and loft conversions with dormers that stay within PD limits. Our layouts ensure the two approaches work together if you want to do both phases over time.
New Developments and Infill Sites
Recent developments in Ferndown and the adjoining area of West Parley include compact modern homes on smaller plots. Extensions to these properties need careful design to maintain adequate garden space and avoid overshadowing neighbours. We work within the tighter constraints of modern estates, designing efficient additions that deliver meaningful extra space without triggering planning complications.
Typical properties in Ferndown
Ferncroft Road, Northbourne — residential street in the greater Ferndown area
Fig. 2
Detached house on a modern housing estate, typical of Ferndown's suburban developments
Fig. 3
Planning Permission for Extensions in Ferndown
Ferndown falls under Dorset Council. The town has no conservation area designation and very few listed buildings, meaning standard Permitted Development rights apply to the vast majority of properties. This makes Ferndown one of the most straightforward areas in Dorset for home extensions.
What can I build under Permitted Development in Ferndown?
Most properties in Ferndown benefit from full Permitted Development rights. Single-storey rear extensions can project up to four metres (semi-detached) or six metres (detached) without planning permission. The larger home extension scheme allows up to six metres (semi) or eight metres (detached) via Prior Approval. Loft conversions with rear dormers up to 50 cubic metres of additional roof space are also PD. We assess your project and confirm whether it qualifies, often saving you the £258 planning application fee entirely.
Does Green Belt affect extensions on the edge of Ferndown?
Some properties on the eastern edge of Ferndown, toward Stapehill and Hampreston, fall within or near the South East Dorset Green Belt. Extensions within the Green Belt must not be disproportionate to the original dwelling. We check your property's Green Belt status with Dorset Council and design within the appropriate limits, preparing a supporting statement if a planning application is needed.
House Extension Options in Ferndown: Cost & Planning Comparison
| Extension Type | Typical Cost/m² | Planning Required? | Typical Duration |
|---|---|---|---|
| Single-storey rear | £1,700–£2,300 | Usually PD | 8–12 weeks |
| Two-storey rear | £1,400–£2,000 | Often PD | 12–16 weeks |
| Bungalow rear ext. | £1,700–£2,300 | Usually PD | 8–10 weeks |
| Loft / dormer conversion | £1,200–£1,800 | Usually PD | 6–8 weeks |
Costs are indicative for Ferndown and vary by specification, site conditions, and builder. Our £250 design pack helps you compare options before committing.
Detailed plans you can build from.
Your extension design pack includes 2-3 professional floor plan options with accurate dimensions, room flow, and layout variations. Drawn by qualified drafters — not AI-generated renders.
- 2-3 layout options included
- Accurate room dimensions
- Share directly with builders
- Planning application ready
Transparent pricing
Every step is fixed-price.
Design Discovery
2-3 floor plan options from photos or Rightmove
3D Laser Scan
Millimetre-accurate measured survey of your home
Lawfulness Certificate
Permitted Development certificate application
Planning Application
Full Householder Planning Application submission
Common questions
Extension plans in Ferndown
Areas we cover
Extension plans across Dorset
Also serving nearby: Bournemouth, Wimborne, Poole
Ready to start your extension in Ferndown?
Get 2-3 professional floor plan options for £250. No obligation, no follow-up calls.
Every plan drawn by qualified drafters · Covering Ferndown and the wider Dorset area