Estiquote

Local costs · North West · September 2026

How much does an extension cost in Fylde?

A mid-range 25 m² single-storey extension in Fylde costs about £58,500 to £72,500 including VAT, or £2,300 to £2,900 per m² at North West prices. Fylde charges £660 for building control on a 10 to 40 m² extension (full plans, including VAT): the 7th cheapest of the 91 councils we checked, 21% below the typical council (£840). With design, a structural engineer, building control and a 15% contingency, budget £73,000 to £95,000.

By Estiquote · Prices reviewed · Council fees from Fylde's published schedule · How we calculate

Work out your project in Fylde

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Typical prices in Fylde

Mid-range finish, North West prices, including VAT. The budget adds design and engineering fees, Fylde's building control charge and a 15% contingency.
ProjectBuilding workBudget to plan for
Single-storey extension, 25 m²£58,500 to £72,500£73,000 to £95,000
Double-storey extension, 40 m²£85,000 to £107,000£105,000 to £137,000
Dormer loft conversion, 30 m²£52,500 to £64,500£65,500 to £84,000
Kitchen, medium£8,700 to £15,400£10,000 to £17,800
Bathroom refit£5,700 to £8,600£6,600 to £9,900

Building prices in North West run about 7% below the UK average outside London. Kitchens and bathrooms vary less from place to place than extensions and lofts.

Building control fees in Fylde

Fylde council charges including VAT (plan and inspection combined)
WorkCharge
Extension up to 10 m² (full plans)£510
Extension 10 to 40 m² (full plans)£660
Larger extension, 40-80 m² (full plans)£900
Extension 10 to 40 m² (building notice)£726
Loft conversion up to 40 m²£660
Garage conversion£480

Fylde charges £660 for building control on a 10 to 40 m² extension (full plans, including VAT): the 7th cheapest of the 91 councils we checked, 21% below the typical council (£840). Source: Fylde's building control charges, 2026/27 (per document title; exact date not stated). Inc VAT column (ex VAT 550 -> 660).

Private approved inspectors set their own prices and are often competitive, so it is worth asking one or two for a quote as well. See how Fylde compares with every council we checked.

Notes on Fylde's schedule

Own schedule. Single full-plans charge. Loft figure is with dormer <=40 m2 (without 510).

Planning

If your extension needs planning permission, a householder application in England costs £548. Many single-storey rear extensions are permitted development and need no application, and a lawful development certificate (£274) confirms it.

Other councils in North West

Building control for a 10 to 40 m² extension:

Questions people ask

How much does an extension cost in Fylde?

A mid-range 25 m² single-storey extension in Fylde costs about £58,500 to £72,500 including VAT for the building work, or £2,300 to £2,900 per m², based on North West prices reviewed in September 2026. With fees and a 15% contingency, budget £73,000 to £95,000.

How much is building control in Fylde?

Fylde charges £660 (including VAT) for a 10 to 40 m² extension (full plans), according to its published schedule (2026/27 (per document title; exact date not stated)).

How much does a loft conversion cost in Fylde?

A mid-range 30 m² dormer loft conversion in Fylde costs about £52,500 to £64,500 including VAT for the building work, and about £65,500 to £84,000 with fees and a 15% contingency.

Before you get quotes