Grade II listed · East Devon

Grotto in the Garden of Knowle Grange (Flats) Including Rockery, Pool, Vase, Pedestal and Summerhouse

Grotto in the Garden of Knowle Grange (Flats) Including Rockery, Pool, Vase, Pedestal and Summerhouse is a Grade II listed building in East Devon, first listed on 12 October 1951. It is one of 2,845 Grade II entries among 3,084 listed buildings in East Devon; 3% of East Devon’s current entries were listed before it.

List entry
Field	Value
Name	Grotto in the Garden of Knowle Grange (Flats) Including Rockery, Pool, Vase, Pedestal and Summerhouse
Grade	Grade II — special interest
List entry number	1227921
Date first listed	12 October 1951
Local planning authority	East Devon
Location	50.68247, -3.24602 (map)
Official record	Historic England list entry 1227921

Planning works on this listed building?

Planium checks which consents East Devon will require for your works on Grotto in the Garden of Knowle Grange (Flats) Including Rockery, Pool, Vase, Pedestal and Summerhouse, lists what the heritage statement must cover and drafts the application text.

Ask Planium what consent you need

What the grade means for works

Grade II buildings are of special interest and make up over 90% of listed buildings in England. Most alterations, extensions and many internal changes still need listed building consent from the council.

The protection covers the whole building, inside and out, plus fixtures and attached structures. Typical works that need consent: replacing windows or doors, removing walls or historic fabric, changing roof coverings, installing solar panels or external insulation, and adding extensions.

Listed buildings near Grotto in the Garden of Knowle Grange (Flats) Including Rockery, Pool, Vase, Pedestal and Summerhouse

Name	Grade	Distance
Drinking Fountain	II	140 m
Spring Garden Including Screen Wall and Coach House	II	159 m
Woodlands Hotel	II	169 m
Hills Cottage	II	175 m
Summerhouse in the Grounds of Knowle, Sidmouth Urban Didstrict Offices	II	183 m
Roseneath Spring Cottage	II	203 m
The White Cottage	II	204 m
Powys	II	222 m
Garden Wall of Audley	II	230 m
Seacourt Seafield	II	234 m

Frequently asked questions

Is Grotto in the Garden of Knowle Grange (Flats) Including Rockery, Pool, Vase, Pedestal and Summerhouse listed?

Yes. Grotto in the Garden of Knowle Grange (Flats) Including Rockery, Pool, Vase, Pedestal and Summerhouse is on the National Heritage List for England as a Grade II listed building, list entry number 1227921, first listed on 12 October 1951. The full list entry with its description and map is on Historic England’s website.

Do I need consent for works to Grotto in the Garden of Knowle Grange (Flats) Including Rockery, Pool, Vase, Pedestal and Summerhouse?

Works that affect its character as a building of special architectural or historic interest — inside or out — need listed building consent from East Devon, in addition to any planning permission or building regulations approval. Like-for-like repairs often do not, but confirm with the council’s conservation officer before you start.

Source: National Heritage List for England, © Historic England 2026, via planning.data.gov.uk. Contains Ordnance Survey data © Crown copyright and database right. Licensed under the Open Government Licence v3.0. Retrieved 12 October 2026. Local authority assigned from the list entry point. This page is a summary — the legal record is the official list entry.